WATCHES: Severe Thunderstorm Watch Number 230

WWUS20 KWNS 272047
SEL0
SPC WW 272047
OKZ000-TXZ000-280400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 230
NWS STORM PREDICTION CENTER NORMAN OK
350 PM CDT MON MAY 27 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHWEST OKLAHOMA
WESTERN TEXAS

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
1100 PM CDT.

* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL
EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH
NORTHWEST OF WICHITA FALLS TEXAS TO 50 MILES SOUTHEAST OF FORT
STOCKTON TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 227...WW 228...WW 229...

DISCUSSION...TSTMS SHOULD CONTINUE TO DEVELOP ALONG THE DRYLINE THIS
AFTERNOON INTO EVENING OWING TO A HOT AND MODERATELY UNSTABLE AIR
MASS THAT HAS BECOME UNCAPPED. THOUGH VERTICAL SHEAR IS NOT
PARTICULARLY STRONG...IT IS SUFFICIENT TO SUPPORT ORGANIZED/ROTATING
STORMS WITH A RISK FOR LARGE HAIL AND DAMAGING WINDS.

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 550. MEAN STORM
MOTION VECTOR 26020.


...MEAD

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