Excerpt...
TORNADO WATCH NUMBER 745
NWS STORM PREDICTION CENTER NORMAN OK
1045 AM CST FRI DEC 28 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH EFFECTIVE THIS FRIDAY MORNING AND EVENING FROM 1045 AM UNTIL 600PM CST.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
DISCUSSION...A BROKEN BAND OF STORMS IS EXPECTED TO INTENSIFY ALONG THE COLD FRONT THIS AFTERNOON FROM SE LA INTO SE MS AND CENTRAL AL. FARTHER SE...PRE-FRONTAL STORMS WILL INCREASE IN COVERAGE ACROSS SRNAL THROUGH THE AFTERNOON. BOUNDARY LAYER DEWPOINTS IN THE 60S AND SURFACE HEATING WILL CONTRIBUTE TO SUFFICIENT INSTABILITY FOR SEVERE STORMS...AND VERTICAL SHEAR SHOULD REMAIN FAVORABLE FOR SUPERCELLS THROUGH THE AFTERNOON. A FEW TORNADOES AND DAMAGING WIND GUSTS WILL BE THE MAIN SEVERE STORM THREATS.
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