[Bldg-sim] Weather file for remote location

[Joe Huang]

Forgot to add the information for the asterisk (*):

* for more information on reanalysis data, please go to the wikipedia article on 
Meteorological reanalysis: https://en.wikipedia.org/wiki/Meteorological_reanalysis

Joe

Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 205A
Moraga CA 94556
yjhuang at whiteboxtechnologies.com
http://weather.whiteboxtechnologies.com for simulation-ready weather data
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"

On 4/9/2018 7:38 PM, Joe Huang wrote:
>
> My recommendation is to use actual recorded weather data whenever possible.  Even if the 
> recorded data is not at the desired site, that would be preferred to reanalysis data if 
> the recorded data are within 1 degree latitude and longitude.  Why? Because reanalysis 
> data, which is what Weather Analytics provides (or used to provide, as the case may 
> be),  are computer generated weather data running  a Climate Forecasting Model in 
> retrospective mode* that has a 1/2 degree grid. In other words, leaving aside the 
> question how well do reanalysis data match measured data (and the samples I've seen can 
> be all over the map...), even if the match is perfect there's still the uncertainty of a 
> grid value versus a site-specific value.
>
> Looking through the measured weather data available to me, there is a station in Tororo 
> (UGA_TORORO_636840) located 43 kilometers directly south of Mbale that has 10 years of 
> recorded data (2005-2012, 2016-17 ). Data in some of the years are shaky, but there's 
> enough to make a decent "typical year" weather file.  Since I now also have 
> satellite-derived solar for all of Africa Feb. 2004 to date, that eliminates solar 
> radiation as the biggest technical concern about weather files.  This means the 
> resultant weather file for Tororo will be quite reliable, with no need to interpolate 
> from other stations or rely on reanalysis data.
>
> Please e-mail me for more details.
>
> Joe
>
> Joe Huang
> White Box Technologies, Inc.
> 346 Rheem Blvd., Suite 205A
> Moraga CA 94556
> yjhuang at whiteboxtechnologies.com
> http://weather.whiteboxtechnologies.com  for simulation-ready weather data
> (o) (925)388-0265
> (c) (510)928-2683
> "building energy simulations at your fingertips"
> On 4/9/2018 12:55 PM, Mili Kyropoulou via Bldg-sim wrote:
>>
>> Hi Everyone,
>>
>> I am trying to find a weather file for Mbale Uganda and was wondering what the best 
>> approach would be.
>>
>> I know that Meteonorm can provide me with a weather file that will be an interpolation 
>> of 6 locations. Specifically, /"Meteonorm interpolates radiation with help of satellite 
>> data (DWD CMSAF for this region) and temperature and other parameters with help of 
>> ground measurements. In case of Mbale it uses : KISUMU (145 km), Eldoret (137 km), 
>> NAKURU (260 km), Meru (402 km), Nairobi/Jomo Kenyatt (404 km), Garissa (630 km)"/
>> /
>> /
>> I also see that IES, that uses Weather Analytics, can provide data for virtually any 
>> location, but they are not saying - or I didn't find - how they calculate them.
>>
>> What would you recommend as the best approach to that?
>>
>>
>> I appreciate your input
>>
>>
>> thanks
>>
>> Mili Kyropoulou
>>
>>
>>
>>
>>
>>
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