Monday, April 4, 2011

WATCHES: Tornado Watch Number 95

WWUS20 KWNS 042155
SEL5
SPC WW 042155
ALZ000-GAZ000-050400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 95
NWS STORM PREDICTION CENTER NORMAN OK
455 PM CDT MON APR 4 2011

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

CENTRAL ALABAMA
NORTHERN GEORGIA

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 455 PM UNTIL
1100 PM CDT.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 65 MILES NORTHEAST OF ROME
GEORGIA TO 25 MILES SOUTH SOUTHWEST OF SELMA ALABAMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).

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 91...WW 93...WW 94...

DISCUSSION...AN INTENSE LINE OF THUNDERSTORMS IS TRACKING ACROSS
PORTIONS OF MS/AL WHERE MODERATE INSTABILITY AND STRONG SHEAR IS
PRESENT. DAMAGING WINDS AND HAIL ARE THE MAIN THREAT.
HOWEVER...STRONG SURFACE PRESSURE FALLS IN THE WARM SECTOR COUPLED
WITH FAVORABLE LOW LEVEL VERTICAL SHEAR WILL PROMOTE SUPERCELLS
CAPABLE OF TORNADOES. STRONG TORNADOES CANNOT BE RULED
OUT...ESPECIALLY OVER THE AL PORTION OF THE WATCH THIS EVENING.

AVIATION...TORNADOES AND 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 26040.


...HART

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