

000 

WWUS20 KWNS 010706

SEL0

SPC WW 010706

ALZ000-ILZ000-KYZ000-MSZ000-TNZ000-011400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 40

NWS STORM PREDICTION CENTER NORMAN OK

110 AM CST THU MAR 1 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EXTREME NORTHWEST ALABAMA

       SOUTHEAST ILLINOIS

       WESTERN KENTUCKY

       NORTHERN MISSISSIPPI

       WESTERN AND MIDDLE TENNESSEE



EFFECTIVE THIS THURSDAY MORNING FROM 110 AM UNTIL 800 AM CST.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST

NORTHWEST OF OWENSBORO KENTUCKY TO 40 MILES SOUTH SOUTHWEST OF

TUPELO MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 36...WW 37...WW 38...WW

39...



DISCUSSION...SCATTERED THUNDERSTORMS ARE INCREASING IN AREAL

COVERAGE AND INTENSITY IN A ZONE FROM NORTHERN MS INTO WESTERN KY.

DESPITE DRY/STABLE SURFACE CONDITIONS...SUFFICIENT CAPE/SHEAR ALOFT

WILL PROMOTE A RISK OF LARGE HAIL AND GUSTY WINDS IN STRONGER

STORMS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 23035.





...HART

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