

014 

WWUS20 KWNS 300352

SEL7

SPC WW 300352

TXZ000-300800-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 207

NWS STORM PREDICTION CENTER NORMAN OK

1050 PM CDT SUN APR 29 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WEST TEXAS



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1050 PM UNTIL

300 AM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHWEST OF

PLAINVIEW TEXAS TO 85 MILES SOUTH SOUTHEAST OF LUBBOCK TEXAS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU7).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

SEVERE THUNDERSTORM WATCH NUMBER 204. WATCH NUMBER 204 WILL NOT

BE IN EFFECT AFTER 1050 PM CDT. CONTINUE...WW 203...WW 205...WW

206...



DISCUSSION...GIVEN RELATIVELY WEAK EML CAP ON MAF 00Z

RAOB...TSTMS...INCLUDING SUPERCELLS...MAY PERSIST ANOTHER FEW HOURS

IN ZONE OF SLIGHTLY MOISTENING/STRENGTHENING SSELY LOW LVL FLOW OVER

THE SRN HI PLNS.  MOST UPDRAFTS ARE EXPECTED TO BE LOCATED ATOP

COMPOSITE OUTFLOW FROM EARLIER STORMS AND MAY CONTINUE PRODUCE SVR

HAIL/LOCALLY DMGG WIND AND POSSIBLY A BRIEF TORNADO BEFORE

DEGENERATING INTO A LOOSELY ORGANIZED MCS EARLY MON.



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 30020.





...CORFIDI

