May 23, 2013
The Medium Range Models Begin The Day 4 To 8 Period With An
Upper-Level Low Over The Nern States And An Upper-Level Trough
Across The Intermountain West.
The Models Move The Wrn Us Upper-Level Trough Into The Great Plains On Friday/Day 5 And Into The Ms Valley On Saturday/Day 6.
Ahead Of This System...Thunderstorm Activity Will Be Possible In The Lower Ms Valley And Cntrl Gulf Coast States Friday Through Friday Night And In The Ern Gulf Coast States On Saturday But Moisture Return Ahead Of The System Is Forecast To Be Limited.
In Addition...A Rather Cold Airmass Is Forecast To Be In Place Across Much Of The United States Suggesting The Potential For Severe Storms Will Be Low During The Day 4 To 8 Period.
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