URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 797...CORRECTED
NWS STORM PREDICTION CENTER NORMAN OK
555 PM CST TUE DEC 8 2009
CORRECTED FOR ENDING TIME; 06Z NOT 08Z
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHWEST ALABAMA
NORTHERN MISSISSIPPI
SOUTHERN MIDDLE TENNESSEE
EFFECTIVE THIS TUESDAY AFTERNOON FROM 555 PM UNTIL MIDNIGHT CST.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH NORTHEAST OF
MUSCLE SHOALS ALABAMA TO 40 MILES SOUTH SOUTHEAST OF OXFORD
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 796...
DISCUSSION...TSTMS EXPECTED TO CONTINUE MOVING/DEVELOPING RAPIDLY NE
ALONG IN TWO SEPARATE SW/NE BANDS ACROSS NRN MS THROUGH LATE EVE.
WITH BOUNDARY LAYER CONTINUING TO GRADUALLY WARM/MOISTEN INVOF THE
BANDS...AND WITH DEEP SHEAR/FORCING FOR ASCENT BOTH LIKELY TO
STRENGTHEN BETWEEN 02-06Z AS OK/AR UPR VORT APPROACHES REGION...
SETUP MAY SUPPORT EMBEDDED SUSTAINED STORMS/POSSIBLE SUPERCELLS.
THESE MAY YIELD A FEW TORNADOES AND/OR BOWING SEGMENTS WITH DMGG
WIND.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 23055.
...CORFIDI
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