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Can anybody explain what Wunderground and TWC offer above the NWS? They're both just calling the NWS API and wrapping it in ads, right? Do either of them do a

Can anybody explain what Wunderground and TWC offer above the NWS? They're both just calling the NWS API and wrapping it in ads, right? Do either of them do any kind of additional analysis or processing to make the forecasts more accurate? The few times I've checked they're always been mirroring the weather.gov data. The government is known for being clunky, but I've always thought they did a pretty good job here [1], though I did like their old layout a little better. [1] http://forecast.weather.gov/MapClick.php?textField1=40.0149856&textField2=-105.27054559999999 http://forecast.weather.gov/MapClick.php?textField1=40.01498...

reidmain 14y ago
Weather Underground did gather data from a variety of sources (http://www.wunderground.com/weatherstation/index.asp http://www.wunderground.com/weatherstation/index.asp) and displayed more fine grain results that the "regular" person who cares about weather would never look at. I have Weather Underground, The Weather Network and the default Apple Weather app (which pulls from Yahoo I believe) and I always found Weather Underground to be more accurate on both a large scale and in their hourly reports.