[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 101629
SEL2
SPC WW 101629
ALZ000-GAZ000-TNZ000-110000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 132
NWS STORM PREDICTION CENTER NORMAN OK
1125 AM CDT FRI APR 10 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

       NORTHERN ALABAMA
       NORTHWEST GEORGIA
       MIDDLE AND PARTS OF EASTERN TENNESSEE

EFFECTIVE THIS FRIDAY MORNING AND EVENING FROM 1125 AM UNTIL 700
PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF CROSSVILLE
TENNESSEE TO 55 MILES EAST OF COLUMBUS MISSISSIPPI.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).

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 131...

DISCUSSION...LINE OF INTENSE SUPERCELLS EXPECTED TO CONTINUE TO
DEVELOP EWD ACROSS TN VLY AREA AND INTO NRN MIDDLE AND PARTS OF ERN
TN THROUGH THE AFTERNOON. AIRMASS AHEAD OF THIS LINE IS MODESTLY
UNSTABLE WITH MLCAPE VALUES INCREASING TO OVER 1500 J/KG ACROSS THE
TN VLY ATTM. GIVEN LITTLE CONVECTIVE INHIBITION AND MODEST TO STRONG
ASCENT WITHIN/BENEATH LEFT EXIST REGION OF 80KT MID LEVEL JET
STREAK...EXPECT STORMS TO CONTINUE TO MAINTAIN SEVERE INTENSITY
THROUGH THE AFTERNOON. OF PARTICULAR CONCERN IS MAGNITUDE OF
VERTICAL SHEAR...ESPECIALLY ACROSS NRN AL/SRN MIDDLE TN THIS
AFTERNOON. FCST HODOGRAPHS IN THIS CORRIDOR SUGGEST HIGH POSSIBILITY
OF A STRONG TORNADO IF DISCRETE CELLS CAN MOVE INTO THIS AREA AS
ANTICIPATED. FARTHER NORTH...ACROSS MIDDLE TN...TORNADO THREAT WILL
ALSO BE ENHANCED NEAR LINE/RETREATING WARM FRONTAL BOUNDARY NEXT FEW
HOURS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 26045.


...CARBIN
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