Southeast Discussion

By: NWS
By: NWS

...STRONG STORM BRINGS THE POTENTIAL FOR WIDESPREAD HAZARDOUS WEATHER TUESDAY NIGHT AND WEDNESDAY... .SYNOPSIS... 20Z WATER VAPOR AND H4 RUC ANALYSIS SHOWING A BUSY UPPER LEVEL PATTERN ACROSS NORTH AMERICA. NORTHERN STREAM FLOW MOVES ASHORE ALONG THE BRITISH COLUMBIA COAST AND DIVES SOUTH INTO LONGWAVE TROUGHING ACROSS EASTERN CANADA/GREAT LAKES REGION. THE SOUTHERN END OF THIS TROUGH EXTENDS DOWN INTO THE TN VALLEY. OTHER FEATURE THAT NEEDS MENTION IS THE POTENT UPPER LEVEL CLOSED LOW SPINNING ACROSS THE SW STATES/NORTHERN MEXICO. THIS ENERGY WILL BECOME A BIG PLAYER IN OUR WEATHER DURING THE NEXT 48 TO 60 HOURS AS IT CONTINUES TO DEEPEN AND MOVES EAST TOWARD THE NORTHERN GULF COAST. AT THE SURFACE...1018MB HIGH PRESSURE CENTERED OVER THE FLORIDA PENINSULA WILL CONTINUE TO RETREAT SOUTH AND EAST THROUGH THE EVENING HOURS IN RESPONSE TO THE APPROACH OF A WEAK COLD FRONT FROM THE NORTHWEST. COLD FRONT CURRENTLY EXTENDS ACROSS CENTRAL ALABAMA INTO CENTRAL/NORTHERN GA. REGIONAL RADARS SHOWING A SOLID BAND OF LIGHT TO MODERATE RAIN/SHOWERS ALONG AND AHEAD OF THIS FRONT WITHIN ZONE OF LOW LEVEL FOCUS AND MODEST SYNOPTIC LIFT.


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