[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 041308
SEL6
SPC WW 041308
ARZ000-ILZ000-KYZ000-MOZ000-MSZ000-TNZ000-042000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 726
NWS STORM PREDICTION CENTER NORMAN OK
805 AM CDT THU AUG 4 2011

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

       NORTHEAST ARKANSAS
       FAR SOUTHERN ILLINOIS
       FAR WESTERN KENTUCKY
       SOUTHEAST MISSOURI
       NORTHERN MISSISSIPPI
       WEST TENNESSEE

EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 805 AM UNTIL
300 PM CDT.

HAIL TO 1 INCH 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 NORTH AND SOUTH OF A LINE FROM 30 MILES NORTH OF
WEST PLAINS MISSOURI TO 45 MILES EAST OF JACKSON TENNESSEE.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 725...

DISCUSSION...S CNTRL MO MCS EXPECTED TO MOVE/DEVELOP ESE TO SE
THROUGH LATER THIS MORNING.  WHILE NRN PART OF SYSTEM HAS WEAKENED
SOME IN THE PAST HOUR...COMBINATION OF SFC HEATING TO ITS E/SE...AND
WHAT APPEARS TO BE A FAVORABLE WIND PROFILE FOR ADDITIONAL FORWARD
PROPAGATION /PER PAH VWP/ SUGGEST THAT SYSTEM MAY INTENSIFY LATER
THIS MORNING.  COMBINATION OF HI PWS AND 40+ KT DEEP SHEAR MAY
SUPPORT BOWING SEGMENTS WITH DMGG WIND AND POSSIBLY MARGINALLY SVR
HAIL.  OTHER MORE LOOSELY ORGANIZED STORMS MAY FORM A BIT LATER
ALONG STALLED OUTFLOW BOUNDARY IN W TN.  THESE TOO MAY YIELD LOCALLY
DMGG WIND FROM PRECIP LOADING.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION
VECTOR 30025.


...CORFIDI

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