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<p class="MsoNormal"><span style="color:windowtext">Dear Joe,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">Thanks again for taking the time to respond, it is much appreciated.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">I would like to address your concerns, which I think evolve around the potential usage of the model I try to build. I am looking at the early design stages of buildings, when little is known and (long-term)
local measurements are not available. In that case the dimensions/exact shape of the building are not known, but the risk of WDR might still be relevant. It is trying to find the balance between an easy to use model with limited input and higher accuracy with
more input.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">The reason to use (hourly) synoptic weather station data is that the quality of this data is checked and readily available. 5 or 10 minute data would indeed increase the accuracy of a model and the option
of weather underground or the UK Met Office’s WOW network (this was mentioned to me a couple of weeks ago by Matt Clark – Met Office) is interesting, but there is the uncertainty of the data quality and the caveat you mentioned.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">And it is true that the drop size in not usually recorded, as far as I know few instruments exist that can do that accurately. I have seen some recent papers that try to address this, but apart from a few
experiments I haven’t seen widescale use. In the past there have been a few papers that describe the velocity and distribution of raindrops (Gunn and Kinzer, 1949; Best, 1950; Atlas et al., 1973+1977;
<span class="spelle">Adirosi</span> et al., 2016)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<div>
<div>
<p class="MsoNormal"><span style="color:windowtext">Kind regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">Roel Tersteeg MSc<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:gray">PhD-student <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:gray">Building Energy Research Group<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:gray">School of Architecture, Building and Civil Engineering<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:gray">Loughborough University<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:gray">T: +44 77 56 10 90 54<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:gray">E: <a href="mailto:R.M.Tersteeg@lboro.ac.uk">
<span style="color:gray">R.M.Tersteeg@lboro.ac.uk</span></a><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:windowtext">Roel </span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="color:windowtext"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US" style="color:windowtext">From:</span></b><span lang="EN-US" style="color:windowtext"> Joe Huang <<a href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a>>
<br>
<b>Sent:</b> 19 July 2018 18:51<br>
<b>To:</b> Roel Tersteeg <<a href="mailto:R.M.Tersteeg@lboro.ac.uk">R.M.Tersteeg@lboro.ac.uk</a>>; Julien Marrec <<a href="mailto:julien.marrec@gmail.com">julien.marrec@gmail.com</a>><br>
<b>Cc:</b> Luis Miguel Blanes Restoy <<a href="mailto:lmblanes@gmail.com">lmblanes@gmail.com</a>>;
<a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Bldg-sim] Wind driven rain data</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p>Roel,<o:p></o:p></p>
<p>I have the following concerns about the approach you seem to be taking to define terrain-parameters for wind-driven rain:<o:p></o:p></p>
<p>(1) you are still basing your investigation on a rather simplistic model to derive wind-driven rain from the reported rain fall and wind speed, i.e., do you know how reliable is that model?<o:p></o:p></p>
<p>(2) for these types of correlations, you might want to use wind speeds at a much finer time resolution, since what's reported at the standard weather stations are random snapshots at an hourly or half-hourly time step. You could consider using data from
Personal Weather Stations (PWS), that are typically at the 5 minute interval and many also have an additional channel for gusts. Such weather data, i.e., 5-minute data in urban or suburban areas, are currently available for tens of thousands of PWS, especially
in North America and the UK, on web sites such as Weather Underground (<a href="http://www.wunderground.com" target="_BLANK">www.wunderground.com</a>). One caveat would be to know the placement of the PWS, which tend to be on rooftops (the problem is worse
for official weather stations that are supposed to be at 10 m above the ground). If you're interested in the WU weather data, let me know via e-mail.<o:p></o:p></p>
<p>I would not recommend using New York Central Park, or at least you should compare the results to that from some other place that's less atypical. The Central Park weather station is located at the Belvedere (see attached map), which is an isolated building
in the middle of a large urban park that is in turn surrounded by tall buildings and adjacent to some of the tallest buildings in the world.
<o:p></o:p></p>
<p>Yes, I'm aware that the terminal velocity of raindrops varies with their size. However, I ignored that factor because any error due to using a constant value would be small compared to all the other assumptions of the model and besides, I don't think raindrop
size is recorded in any weather data.<o:p></o:p></p>
<p>Joe<o:p></o:p></p>
<div>
<p class="MsoNormal">On 7/19/2018 7:30 AM, Roel Tersteeg wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Dear Joe, Julien,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Thank you for the extensive replies and your suggestions. <o:p>
</o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">The rainfall above an area is not very different between airfield and urban areas, but due to the buildings and trees that may shelter locations in build-up areas this can cause lower rainfall in those locations. As you mentioned the wind
will be altered in a more significant way. One thing I would like to do is actually (re)define ‘terrain parameters’ for wind driven rain. A single number, such as in your example, hides the actual uncertainty behind that number. And for that I would like to
find measured data, the location of which doesn’t matter that much.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">The usage of weather stations for the purpose I am looking for is usually not an option as the location of weather stations is such that buildings and trees around the site don’t have an effect on the measurements (typically > 100 m around
the site free of obstructions). For the model I am trying to build, the (uncertainty in the) effect of trees and buildings on rain and wind is exactly what I try to model. If you know of weather stations on such sites, I would be grateful if you could help
me with that. I will also have a look at the weather stations in central park and see if they can help me.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">As for the calculation presented, there are several methods (e.g. ISO15927, ASHRAE standard 55) and they mostly have the form of Rainfall*Wind_speed*cos(Wind_direction-Wall_normal), with possibly some factors. There is a bit more explanation
in Climatological note 3 from Met Eireann, from which note 13 is an update, how they calculated the map.<o:p></o:p></p>
<p class="MsoNormal">As a site-note: the velocity of raindrops is dependent on the size of the droplet with larger drops having a higher speed (terminal velocity) that smaller ones.
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Roel Tersteeg MSc<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">PhD-student </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">Building Energy Research Group</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">School of Architecture, Building and Civil Engineering</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">Loughborough University</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">T: +44 77 56 10 90 54</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">E: </span><a href="mailto:R.M.Tersteeg@lboro.ac.uk"><span style="color:gray">R.M.Tersteeg@lboro.ac.uk</span></a><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Julien Marrec
</span><a href="mailto:julien.marrec@gmail.com"><span lang="EN-US"><julien.marrec@gmail.com></span></a><span lang="EN-US">
<br>
<b>Sent:</b> 19 July 2018 13:26<br>
<b>To:</b> Joe Huang </span><a href="mailto:yjhuang@whiteboxtechnologies.com"><span lang="EN-US"><yjhuang@whiteboxtechnologies.com></span></a><span lang="EN-US"><br>
<b>Cc:</b> Roel Tersteeg </span><a href="mailto:R.M.Tersteeg@lboro.ac.uk"><span lang="EN-US"><R.M.Tersteeg@lboro.ac.uk></span></a><span lang="EN-US">; Luis Miguel Blanes Restoy
</span><a href="mailto:lmblanes@gmail.com"><span lang="EN-US"><lmblanes@gmail.com></span></a><span lang="EN-US">;
</span><a href="mailto:bldg-sim@lists.onebuilding.org"><span lang="EN-US">bldg-sim@lists.onebuilding.org</span></a><span lang="EN-US"><br>
<b>Subject:</b> Re: [Bldg-sim] Wind driven rain data</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<div>
<div>
<p class="MsoNormal">Hello,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">FYI, I can think of at least one location where you'd find probably good quality weather data in a
<b><u>big </u>urban center and not at an airport: Central Park, New York City, USA</b>, though it's in a quite large park but there are tall buildings all around it, see
<a href="https://www.google.com/maps/place/40%C2%B046%2744.4%22N+73%C2%B058%2708.4%22W/@40.7787947,-73.9765413,15.5z/data=%214m5%213m4%211s0x0:0x0%218m2%213d40.779%214d-73.969" target="_BLANK">
map</a>.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Note that in NOAA there's a weird thing going on where you have 4 stations with different operating dates, one did 1943 to 2010, another 2010 to 2012 or so, and another started after that (I know I said there are four: one did 17 days in
august 2010 but overlapped another running one). Here are the USAF-WBAN codes for the two most interesting:<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">725053-94728 #CENTRAL PARK (2012 to today)<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">725060-94728 #NEW YORK CENTRAL PARK (2010 to 2012)<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">This data is free and can be accessed at NOAA's ISD (see <a href="https://www.ncdc.noaa.gov/isd/data-access" target="_BLANK">
here</a>)<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">I looked at France's stations in the NOAA database too, since I have a better clue of where things actually are, and it seems that there are a bunch that aren't at an airport, but there are all in seaside towns, so that is probably not
what you're looking for...<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Here are some stations you'll perhaps want to look at, I'm including the three airports around central park too if you want to compare the data. Don't mind the fact that the 'END" date is last year, I just haven't refreshed this file since
September 2017<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="923" style="width:692.0pt;border-collapse:collapse">
<tbody>
<tr style="height:15.0pt">
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">USAF<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">WBAN<o:p></o:p></p>
</td>
<td width="219" nowrap="" valign="bottom" style="width:164.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">STATION NAME<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">CTRY<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">STATE<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">ICAO<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">LAT<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">LON<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">ELEV(M)<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">BEGIN<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">END<o:p></o:p></p>
</td>
<td width="64" nowrap="" valign="bottom" style="width:48.0pt;padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">KEEP<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">70020<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">99999<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">BOULOGNE<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">FR<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">50.733<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">1.6<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">74<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">19730101<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20170902<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">72000<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">99999<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">PENMARCH<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">FR<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">47.8<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">-4.367<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">19<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">19360102<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20170902<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">73150<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">99999<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">LA ROCHELLE<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">FR<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">46.15<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">-1.15<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">10<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">19290801<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20170902<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">76410<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">99999<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">SETE<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">FR<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">43.4<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">3.7<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">81<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">19360615<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20170902<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">76950<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">99999<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">CAP FERRAT<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">FR<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">43.683<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">7.333<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">144<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">19730101<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20100412<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">725030<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">14732<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">LA GUARDIA AIRPORT<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">US<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">NY<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">KLGA<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">40.779<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">-73.88<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">3.4<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">19730101<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20170904<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">725033<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">94728<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">NYC CENTRAL PARK<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">US<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">NY<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">KNYC<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">40.779<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">-73.969<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">47.5<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">19431201<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20100731<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">725033<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">99999<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">NEW YORK CITY CENTRAL PARK<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">US<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">NY<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">40.767<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">-73.983<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">27<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20100801<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20100817<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">725053<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">94728<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal"><b>CENTRAL PARK</b><o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">US<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">NY<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">KNYC<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">40.779<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">-73.969<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">42.7<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20120801<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20170904<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">725060<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">94728<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal"><b>NEW YORK CENTRAL PARK</b><o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">US<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">NY<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">KNYC<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">40.779<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">-73.969<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">47.5<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20100801<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20120801<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
<tr style="height:15.0pt">
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">744860<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">94789<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">JOHN F KENNEDY INTERNATIONAL AIRPORT<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">US<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">NY<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">KJFK<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">40.639<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">-73.762<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">3.4<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">19730101<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal" align="right" style="text-align:right">20170904<o:p></o:p></p>
</td>
<td nowrap="" valign="bottom" style="padding:.75pt .75pt 0cm .75pt;height:15.0pt">
<p class="MsoNormal">YES<o:p></o:p></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Best,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Julien<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"> <o:p></o:p></p>
</div>
</div>
<div>
<p class="MsoNormal"><br clear="all">
<o:p></o:p></p>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<p class="MsoNormal">--<br>
Julien Marrec, EBCP, BPI MFBA<br>
Owner at <a href="http://www.effibem.com" target="_BLANK">EffiBEM</a><br>
T: +33 6 95 14 42 13<br>
<br>
LinkedIn (<a href="https://www.linkedin.com/in/julienmarrec" target="_BLANK">en</a>)
<i>| </i>(<a href="https://fr.linkedin.com/in/julienmarrec/fr" target="_BLANK">fr</a>) :
<o:p></o:p></p>
</div>
</div>
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<p class="MsoNormal"><span lang="NL">2018-07-19 3:55 GMT+02:00 Joe Huang via Bldg-sim <</span><a href="mailto:bldg-sim@lists.onebuilding.org"><span lang="NL">bldg-sim@lists.onebuilding.org</span></a><span lang="NL">>:<o:p></o:p></span></p>
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<p>Roel,<o:p></o:p></p>
<p>I'm not an expert in this field of liquid precipitation, but here are my thoughts in response to your comments:<o:p></o:p></p>
<p>1) I'm not aware of drastic differences in rainfall between the airport and more urban areas of a city. However, there are noticeable differences in wind speeds for which, in the absence of measured data, are accounted for in building energy modeling by
TERRAIN-PARAMETERs dependent on the general site description, e.g., 1.00 for flat terrain such as an airport, 0.85 for rural, 0.67 for urban or forest, and 0.47 for urban centers with tall building, and the height difference between the measured data and
the site. if you're having difficulty in finding either measured wind speed or driving rain data (good luck!), I would suggest you just use the airport data and adjust that with a Terrain Parameter.<o:p></o:p></p>
<p>2) If you insist on getting rain and wind speed data for a suburban location, I'm sure those can be found among the 8,000+ weather stations for which I have hourly weather data, but the locations would be anywhere in the world. Do you care where is the
location? <o:p></o:p></p>
<p>3) The Met Eirerann paper describes a driving rain index, but does not provide the equation. In thinking about it again (note that I've only thought about this after reading your original query), I think a plausible approach would be:<o:p></o:p></p>
<p> a. find the approximate downward velocity of falling rain (a quick web search for "How fast do raindrops fall" gave the answer of 10 m/sec)<o:p></o:p></p>
<p> b. divide that by the (adjusted) wind speed to get the fraction that would fall on a vertical surface, i.e., driving rain.<o:p></o:p></p>
<p> c. multiply the "driving rain fraction" by the reported rain fall to get the amount of driving rain.<o:p></o:p></p>
<p> c. use the wind direction to apportion the driving rain by the wall orientation.
<o:p></o:p></p>
<p>It's still not clear to me what is the primary motivation for your investigation. Is it to determine the amount of driving rain at a particular location or weather file? to validate the method to calculate driving rain? Or to just get a handle on how
much driving rain is there ?<o:p></o:p></p>
<p>Joe<o:p></o:p></p>
<pre>Joe Huang<o:p></o:p></pre>
<pre>White Box Technologies, Inc.<o:p></o:p></pre>
<pre>346 Rheem Blvd., Suite 205A<o:p></o:p></pre>
<pre>Moraga CA 94556<o:p></o:p></pre>
<pre><a href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a><o:p></o:p></pre>
<pre><a href="http://weather.whiteboxtechnologies.com" target="_BLANK">http://weather.whiteboxtechnologies.com</a> for simulation-ready weather data<o:p></o:p></pre>
<pre>(o) (925)388-0265<o:p></o:p></pre>
<pre>(c) (510)928-2683<o:p></o:p></pre>
<pre>"building energy simulations at your fingertips"<o:p></o:p></pre>
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<p class="MsoNormal">On 7/18/2018 5:43 AM, Roel Tersteeg wrote:<o:p></o:p></p>
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<p class="MsoNormal">Dear Joe and Luis,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Thank you for your replies to my question and apologies for my very late reply to you both. Unfortunately the data from official, synoptic weather stations is airfield data and thus not applicable to my situation as there is no difference
in microclimate (no changes in wind or rainfall due to surrounding building). The same goes for the Met Eireann information (if of interest, the Climatological notes 13 and 3 about wind driven rain can also be found and downloaded here as well:
<a href="https://www.met.ie/education/publications/climatological-notes" target="_BLANK">
https://www.met.ie/education/publications/climatological-notes</a>)<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I am looking specific for wind driven rain data, or indeed combined wind and precipitation data that can be converted to wind driven rain, for different (sub)urban settings. The suggestion for looking at ‘personal weather stations’ is very
interesting, although this has the issue of uncertainty about the quality of the measurements.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Kind regards,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Roel <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Luis Miguel Blanes Restoy
</span><a href="mailto:lmblanes@gmail.com"><span lang="EN-US"><lmblanes@gmail.com></span></a><span lang="EN-US">
<br>
<b>Sent:</b> 06 July 2018 14:34<br>
<b>To:</b> Joe Huang </span><a href="mailto:yjhuang@whiteboxtechnologies.com"><span lang="EN-US"><yjhuang@whiteboxtechnologies.com></span></a><span lang="EN-US"><br>
<b>Cc:</b> </span><a href="mailto:bldg-sim@lists.onebuilding.org"><span lang="EN-US">bldg-sim@lists.onebuilding.org</span></a><span lang="EN-US"><br>
<b>Subject:</b> Re: [Bldg-sim] Wind driven rain data</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Joe<o:p></o:p></p>
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<p class="MsoNormal">Try this link<o:p></o:p></p>
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<p class="MsoNormal"><a href="https://es.scribd.com/document/346851908/MET-Driving-Rain-Index-IRELAND#close_user_settings_menu" target="_BLANK">https://es.scribd.com/document/346851908/MET-Driving-Rain-Index-IRELAND#close_user_settings_menu</a><o:p></o:p></p>
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<p class="MsoNormal">Regards<o:p></o:p></p>
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<p class="MsoNormal">Luis<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">On Thu 5 Jul 2018, 04:28 Joe Huang, <<a href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a>> wrote:<o:p></o:p></p>
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<p>Luis,<o:p></o:p></p>
<p>Thanks for the tip. I went to the link, which by the way is for the Irish Meteorological Service, and read that it said, "<span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#434343;background:white">The amount of rain received by a wall
correlates fairly well with the product of rainfall and the component of the wind speed normal to the wall. This led Lacy and Shellard to propose the product of the mean annual rainfall and the mean annual wind speed as a driving rain index which is proportional
to the total rainfall driven in one year on to a vertical surface always facing the wind", which is functionally quite close to what I was envisioning, i.e., WDR = LP * f(wspd, wdir), where LP is Liquid Precipitation or Rainfall. However, when I clicked
on the link to the actual paper cited, the Meteireann web site responded that "404: Page not found". Therefore, I still don't know the function that converts LP or rainfall to WDR.</span><o:p></o:p></p>
<p><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#434343;background:white">Joe</span><o:p></o:p></p>
<pre>Joe Huang<o:p></o:p></pre>
<pre>White Box Technologies, Inc.<o:p></o:p></pre>
<pre>346 Rheem Blvd., Suite 205A<o:p></o:p></pre>
<pre>Moraga CA 94556<o:p></o:p></pre>
<pre><a href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a><o:p></o:p></pre>
<pre><a href="http://weather.whiteboxtechnologies.com" target="_BLANK">http://weather.whiteboxtechnologies.com</a> for simulation-ready weather data<o:p></o:p></pre>
<pre>(o) (925)388-0265<o:p></o:p></pre>
<pre>(c) (510)928-2683<o:p></o:p></pre>
<pre>"building energy simulations at your fingertips"<o:p></o:p></pre>
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<p class="MsoNormal">On 7/4/2018 2:30 PM, Luis Miguel Blanes Restoy wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi Roel and Joe<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Did you look at available data from Met Eireann? There is a paper regarding WDR index calculation method that may be of your interest. See below link.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><a href="https://www.met.ie/climate/what-we-measure/rainfall" target="_BLANK">https://www.met.ie/climate/what-we-measure/rainfall#</a><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Regards<o:p></o:p></p>
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<p class="MsoNormal">Luis<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p> <o:p></o:p></p>
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<p class="MsoNormal">On Wed 4 Jul 2018, 22:12 Joe Huang via Bldg-sim, <<a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a>> wrote:<o:p></o:p></p>
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<p>What is your definition for Wind-driven Rain? Practically all weather station reports, including official stations available in NOAA's ISD as well as unofficial "Personal Weather Stations" hosted on WeatherUnderground, contain information on liquid precipitation
(LP), wind speed, and wind direction. Can the WDR be calculated from these standard parameters, maybe as the LP * f(wspd, wdir) ?<o:p></o:p></p>
<p>Joe<o:p></o:p></p>
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<p class="MsoNormal">On 7/4/2018 3:52 AM, Roel Tersteeg via Bldg-sim wrote:<o:p></o:p></p>
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<p class="MsoNormal">Dear all,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">For the verification of a model to estimate wind driven rain (WDR) I would like to use WDR data from different microclimates (rural, (sub)urban). I have access to several data sets of free field or airfield WDR measurements from different
locations and the results from a measurement campaign in Vancouver. To better evaluate the model I would like to use measured data from one or more locations with different microclimates, not being free field or airfield sites.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">My question is if someone knows if measurements are available of wind driven rain in one or more microclimates?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Kind regards,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Roel Tersteeg MSc<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">PhD-student </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">Building Energy Research Group</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">School of Architecture, Building and Civil Engineering</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">Loughborough University</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">T: +44 77 56 10 90 54</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:gray">E: </span><a href="mailto:R.M.Tersteeg@lboro.ac.uk"><span style="color:gray">R.M.Tersteeg@lboro.ac.uk</span></a><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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