WATCHES: Severe Thunderstorm Watch Number 279

WWUS20 KWNS 051810
SEL9
SPC WW 051810
ARZ000-LAZ000-MSZ000-060000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 279
NWS STORM PREDICTION CENTER NORMAN OK
110 PM CDT WED JUN 5 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EXTREME SOUTHEAST ARKANSAS
NORTHEAST LOUISIANA
SOUTHERN AND CENTRAL MISSISSIPPI

* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 110 PM
UNTIL 700 PM CDT.

* PRIMARY THREATS INCLUDE...
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 100
STATUTE MILES EITHER SIDE OF A LINE FROM 5 MILES SOUTH SOUTHEAST
OF JACKSON MISSISSIPPI TO 25 MILES WEST NORTHWEST OF GREENWOOD
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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...MULTICELLULAR STORMS HAVE DEVELOPED ON THE EDGE OF
STRONGER CAPPING ACROSS THE MS DELTA REGION INTO ERN AR AND NRN MS
THIS AFTERNOON. VERY UNSTABLE AIRMASS TO THE SOUTH OF ONGOING
DEVELOPMENT SHOULD CONTINUE TO FUEL ROBUST STORM UPDRAFTS CAPABLE OF
PRODUCING DAMAGING DOWNBURST WINDS. SOME UPPER LEVEL SUPPORT MAY
EDGE INTO THE AREA AS A SHORTWAVE TROUGH/MCV SPREADS EAST ACROSS AR
THROUGH THE AFTERNOON. THIS DISTURBANCE WILL ALSO BRING SOMEWHAT
STRONGER MID LEVEL FLOW THAT COULD AID IN THE DEVELOPMENT OF A
FORWARD PROPAGATING MCS WITH WIND DAMAGE POTENTIAL INCREASING IN
AREAL EXTENT.

AVIATION...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 550. MEAN STORM
MOTION VECTOR 30020.


...CARBIN

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