NOAA's powerful Global Forecast System model was upgraded today, providing forecasters with a more accurate 4-D picture of how a weather system will evolve. The upgrade is the latest of a number of model improvements rolling out this spring and summer, thanks to increased supercomputing power NOAA acquired earlier this year. More information on the May 11, 2016 GFS upgrade here: http://www.noaa.gov/noaa’s-premier-forecast-model-goes-four-dimensional Video Credit: NOAA | U.S. National Weather Ser

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1.3K views | #FirstWarn5 WEATHER ALERT: The National Weather Service has issued a SEVERE THUNDERSTORM WARNING effective until Sep 12 9:00PM EDT for the following counties: Saginaw, Midland. Get to shelter IMMEDIATELY if you are in the path of this storm, and get the latest information at wnem.com/weather/alerts. | WNEMTV5news | Facebook