Tornado Watch in Effect for OK,TX WW 213 TORNADO OK TX 231840Z - 240300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 213
NWS STORM PREDICTION CENTER NORMAN OK
140 PM CDT THU MAY 23 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
WESTERN OKLAHOMA
NORTHWESTERN TEXAS
* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
1000 PM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL TORNADOES POSSIBLE
NUMEROUS LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL
EVENTS TO 3 INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 80
MPH POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHWEST OF
BORGER TEXAS TO 90 MILES WEST OF ABILENE TEXAS. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
&&
DISCUSSION...STORMS ARE INITIATING NEAR WEAK DEVELOPING FRONTAL
WAVE...NEAR THE INTERSECTION OF A CONVECTIVELY GENERATED SURFACE
BOUNDARY AND GRADUALLY SHARPENING DRYLINE. RAPID FURTHER INTENSE
THUNDERSTORM DEVELOPMENT IS LIKELY DURING THE NEXT FEW HOURS...IN
THE PRESENCE OF VERY STEEP MID-LEVEL LAPSE RATES...LARGE CAPE...AND
SUFFICIENT SHEAR FOR SUPERCELLS. BEFORE STORMS BEGIN TO CONSOLIDATE
WITH UPSCALE CONVECTIVE GROWTH LATER THIS AFTERNOON AND EVENING...A
FEW SUPERCELLS ARE PROBABLE...SOME CAPABLE OF PRODUCING VERY LARGE
HAIL AND TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 29015.
...KERR
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