[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 162142
SEL7
SPC WW 162142
ARZ000-MOZ000-MSZ000-TNZ000-170400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 487
NWS STORM PREDICTION CENTER NORMAN OK
445 PM CDT THU JUN 16 2011

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

       LARGE PART OF CENTRAL AND EASTERN ARKANSAS
       BOOTHEEL OF MISSOURI
       NORTHWEST MISSISSIPPI
       PARTS OF WESTERN TENNESSEE

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 445 PM UNTIL
1100 PM CDT.

HAIL TO 2.5 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 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES SOUTH
SOUTHWEST OF HOT SPRINGS ARKANSAS TO 40 MILES NORTHEAST OF
MEMPHIS TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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 483...WW 484...WW
485...WW 486...

DISCUSSION...AIR MASS ACROSS WATCH HAS BECOME QUITE UNSTABLE WITH
STORMS DEVELOPING ALONG EXISTING BOUNDARIES.  WITH APPROACH OF MCV
OVER NCENTRAL AR STORMS WILL CONTINUE TO INCREASE IN NUMBER AND
INTENSITY WITH LARGE HAIL AND DOWNBURST WINDS ASSOCIATED WITH MOST
INTENSE CELLS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 27020.


...HALES

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