MESOSCALE DISCUSSION 0155
NWS STORM PREDICTION CENTER NORMAN OK
0947 AM CST TUE FEB 05 2008
AREAS AFFECTED...WRN TN...WRN KY...SERN MO...EXTREME SRN IL
CONCERNING...OUTLOOK UPGRADE
VALID 051547Z - 051715Z
THE HIGH RISK IS CURRENTLY BEING EXPANDED NEWD TO INCLUDE ALL OF
NERN AR...SERN MO...FAR SRN IL...WRN KY AND WRN TN.
LOW LEVEL MOISTENING WILL PERSIST OVER BROAD WARM SECTOR WITH WIND
SHEAR BECOMING EXTREME LATE THIS AFTERNOON INTO THIS EVENING.
SUPERCELLS AND BOW STRUCTURES ARE EXPECTED TO FORM NEAR THE SURFACE
LOW...TRACKING NEWD WITH TIME ALONG WARM FRONT. TORNADOES AND
PARTICULARLY DAMAGING WIND GUSTS WILL BE POSSIBLE.
FOR MORE INFORMATION...PLEASE SEE UPCOMING 1630Z DAY 1 CONVECTIVE
OUTLOOK.
NOTE: THE ORIGINAL HIGH RISK AREA ALSO REMAINS IN EFFECT...INCLUDING
MUCH OF CNTRL AND SRN AR AS WELL AS NWRN MS.
..JEWELL.. 02/05/2008
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