TUESDAYS SEVERE WEATHER OUTLOOK has a SLIGHT RISK for severe thunderstorms for both this afternoon and evening across Southern/Eastern LA, MS, AL, FL Panhandle and Southwestern GA. MARGINAL RISK will be likely from Southeastern TX to Southern SC Sporadic storms to severe thunderstorms are expected for this afternoon and evening across a broad swath of the Dixie Heartland from Louisiana to Alabama to the Florida Panhandle. Isolated severe hail to strong damaging winds may occur farther East across portions of Georgia and Southern South Carolina. Farther West could include extreme Southeastern Texas. Refer to the graphics for more details. It is essential to tune into NOAA Weather Radio for the latest forecast, weather statements, and possible watches and warnings. TUESDAYS NATIONAL FORECAST SUMMARY BY: Forecaster, David Saurer BE AWARE OF TONS OF INFORMATION FROM GRAPHICS TO FOLLOW ALONG WITH THE SUMMARY... I APOLOGIZE, BUT IT IS A VERY ACTIVE PATTERN.... A very active weather pattern for today across most of the Nation as we begin a very active and busy travel week for the Christmas Holiday Season. The upper level pattern for Mid-Week is featuring quite a building and strengthening trough of low pressure across the Central Plains and spreading into the Midwest and Ohio Valley for tonight and tomorrow. Another trough of low pressure is also approaching the West Coast for Christmas Day. The Central United States trough is digging Southward over the Gulf of Mexico, and this is causing a surface low pressure that will strengthen as it lifts to the North into the Great Lakes and Ohio Valley for Christmas Eve/Day. This will become the focal point for some unsettled weather for the Northern Plains and Upper MS Valley where some wintry precipitation is in the forecast, with several inches of accumulating snowfall possible from the Dakotas into the Upper Peninsula and possibly Northern Lower Michigan. With the strong upper level trough setting across the Central US, a well defined and strong cold frontal boundary will begin to sweep Eastward in time to bring showers and possibly strong to severe thunderstorms developing along and ahead of the frontal boundary. Some of these thunderstorms, as I mentioned before, may become strong to severe along the Central and Eastern Gulf Coast for this afternoon and evening. A few rumbles of thunder is also possible from the Tennessee Valley to the Southern Mid-Atlantic as the warmer air lifts Northward ahead of the frontal boundary along the Eastern Seaboard for tomorrow afternoon before that cold front filters in much cooler air. Finally, heading to the Western portions of our Nation, we are watching another coastal low pressure center bringing some additional rainfall and mountain snow to the Pacific Northwest and Northern Rockies for today and through Christmas Eve. As the cold frontal boundary digs Southeastward with the upper level trough becoming situated over the Intermountain West, look for rain and snow showers to develop over Northern California and going into the Sierra Nevada range of Nevada and Utah. Once again, for all the latest weather information, up to the latest forecast statements, and possible issuance of watches/warnings for your region, it is essential to follow the NWS with NOAA Weather Radio. Stay Safe and Ahead of Mother Nature.
Posted on: Tue, 23 Dec 2014 13:28:58 +0000
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