

565 

WWUS20 KWNS 302359

SEL3

SPC WW 302359

TXZ000-010700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 213

NWS STORM PREDICTION CENTER NORMAN OK

655 PM CDT MON APR 30 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN NORTH TEXAS SOUTHWARD TO THE TEXAS BIG BEND



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 655 PM UNTIL

200 AM CDT.



HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES WEST

NORTHWEST OF WICHITA FALLS TEXAS TO 5 MILES WEST SOUTHWEST OF DEL

RIO TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 208...WW 209...WW

210...WW 211...WW 212...



DISCUSSION...SEVERAL AREAS OF STRONG TO SVR TSTMS EXPECTED OVER WW

AREA THROUGH LATE TNGT.  ACROSS THE SOUTH...EXPECT MCS NOW

APPROACHING THE BIG BEND TO CONTINUE FORWARD-PROPAGATING ESE INTO

MOISTENING SSELY LOW LVL FLOW UP THE RIO GRANDE VLY...WITH SVR

WIND/HAIL POSSIBLE.  FARTHER N...SUPERCELL COMPLEXES NOW NE OF MAF

AND SE OF LBB EXPECTED TO MOVE/DEVELOP MAINLY E TO ESEWD...WITH AN

ATTENDANT THREAT FOR VERY LARGE HAIL/HIGH WIND AND PERHAPS A

TORNADO.  OTHER STORMS...INCLUDING SUPERCELLS...MAY FORM LATER THIS

EVE IN WRN N TX AS SLY LLJ NOCTURNALLY STRENGTHENS.  THESE MAY

CONTAIN LARGE HAIL/HIGH WIND AND PERHAPS A TORNADO.



AVIATION...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 550. MEAN STORM

MOTION VECTOR 28020.





...CORFIDI

