WATCHES: Tornado Watch Number 161

WWUS20 KWNS 152303
SEL1
SPC WW 152303
OKZ000-TXZ000-160600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 161
NWS STORM PREDICTION CENTER NORMAN OK
600 PM CDT WED MAY 15 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF
SOUTH CENTRAL OKLAHOMA
CENTRAL AND NORTH CENTRAL TEXAS

* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 600 PM
UNTIL 100 AM CDT.

* PRIMARY THREATS INCLUDE...
SEVERAL TORNADOES POSSIBLE
NUMEROUS LARGE HAIL EVENTS EXPECTED WITH SEVERAL VERY LARGE HAIL
EVENTS TO 3 INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 75
MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 10 MILES NORTHEAST OF ARDMORE
OKLAHOMA TO 60 MILES SOUTH SOUTHEAST OF BROWNWOOD TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU1).

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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 160...

DISCUSSION...TSTMS EXPECTED TO INCREASE IN STRENGTH ALONG SSW-NNE
CONFLUENCE AXIS ATTM EXTENDING FROM NEAR WICHITA FALLS TX TO W OF
BROWNWOOD TX. ACTIVITY WILL BE FOSTERED BOTH BY CONTINUED SFC
HEATING AND BY ASCENT ASSOCIATED WITH UPR IMPULSE NOW MOVING ESE
ACROSS W TX. AREA VWP DATA SHOW AMPLE DEEP SHEAR/VEERING WIND
PROFILES FOR SUPERCELLS. IN ADDITION..MOIST...15-20 KT S TO SSELY
SFC FLOW AHEAD OF CONFLUENCE AXIS WILL MAINTAIN RISK FOR LOW-LVL
MESOS WITH ANY SUSTAINED UPDRAFTS. THE STORMS MAY EVOLVE INTO A
BROKEN SQLN WITH EMBEDDED LEWPS CONTINUING TO POSE A RISK FOR SVR
HAIL/WIND AND ISOLD TORNADOES THROUGH LATE TNGT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27020.


...CORFIDI

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