[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 251852
SEL5
SPC WW 251852
ALZ000-ARZ000-KYZ000-MOZ000-MSZ000-TNZ000-260000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 35
NWS STORM PREDICTION CENTER NORMAN OK
150 PM CDT THU MAR 25 2010

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

       PARTS OF NORTHERN ALABAMA
       SMALL PARTS OF NORTHEAST ARKANSAS
       PARTS OF SOUTHWEST KENTUCKY
       MISSOURI BOOTHEEL
       PARTS OF NORTHERN MISSISSIPPI
       WESTERN AND PARTS OF MIDDLE TENNESSEE

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 150 PM UNTIL
700 PM CDT.

HAIL TO 2 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 65 MILES WEST
NORTHWEST OF FORT CAMPBELL KENTUCKY TO 40 MILES SOUTHEAST OF
TUPELO MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

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.

DISCUSSION...LOW TOPPED THUNDERSTORMS EXPECTED TO INCREASE RAPIDLY
ACROSS THE WATCH AS STRONG UPPER VORT/COLD POOL ROTATES ACROSS THE
MS RIVER IN TN VALLEY THIS AFTERNOON.  SHEAR PROFILES WILL BE STRONG
AND PARTICULARLY EASTERN PORTION OF WATCH SUPPORT ROTATING STORMS.
WHILE INSTABILITY WILL REMAIN GENERALLY LESS THAN 1000 J/KG OF
MUCAPE...THE STEEP LAPSE RATES AND STRONG ASCENT ALONG WITH SHEAR
SUPPORT NOT ONLY MARGINALLY SEVERE HAIL BUT WIND DAMAGE.
ADDITIONALLY IF SUPERCELLS ARE ABLE TO DEVELOP A BRIEF TORNADO
THREAT AND LARGER HAIL WILL ALSO BE POSSIBLE.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 300. MEAN STORM
MOTION VECTOR 24035.


...HALES
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