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Where does Wolfram get its weather data from

Where does Wolfram get its weather data from

Postby johnnortredamme » Tue Nov 01, 2011 3:52 pm
I'm really rather impressed that I can just ask Wolfram a 7 day weather forecast and gives me the weather at my location. But I also can ask a weather forecast at the other site of the world.

This got my curiosity going as to where Wolfram gets this data.
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Re: Where does Wolfram get its weather data from

Postby yos233 » Tue Nov 01, 2011 6:08 pm
According to http://reference.wolfram.com/mathematic ... ation.html, there are a few sources. It appears to be mainly NOAA.

Among current principal sources for WeatherData are:
Citizen Weather Observer Program. "Citizen Weather Observer Program (CWOP)." 2008. »

Gladstone, Phillip."Locations of th Weather Stations of the World." http://weather.gladstonefamily.net/cgi- ... .csv?csv=1

National Oceanic and Atmospheric Administration. "National Weather Service." 2009. »

United States National Climatic Data Center. "Global Surface Summary of Day." 2008. »

United States National Climatic Data Center. "Integrated Surface Database." 2008. »
Eric Vander
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Re: Where does Wolfram get its weather data from

Postby Nuclearman » Tue Nov 01, 2011 11:38 pm
It's rather simple, well sorta.

W|A can use a geoIP to locate where your getting your internet from (you can see this by inputting "my location".

It also has a list of locations of weather stations around the world.

It can also determine the distance from one location to another location.

Using the above three data sets, it then picks the closest weather station to your internet provider's location.

Or at least that's how I suspect it works.
-Nuclearman
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