

793 

WWUS20 KWNS 150151

SEL6

SPC WW 150151

TXZ000-150500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 416

NWS STORM PREDICTION CENTER NORMAN OK

855 PM CDT SUN JUN 14 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WEST TEXAS



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 855 PM UNTIL

MIDNIGHT 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 NORTH AND SOUTH OF A LINE FROM 65 MILES WEST

NORTHWEST OF LUBBOCK TEXAS TO 15 MILES EAST NORTHEAST OF

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 409. WATCH NUMBER 409 WILL NOT

BE IN EFFECT AFTER 855 PM CDT. CONTINUE...WW 410...WW 411...WW

412...WW 414...WW 415...



DISCUSSION...ELEVATED SUSTAINED STORMS/POSSIBLE SUPERCELLS EXPECTED

TO PERSIST OVER W TX THROUGH LATE THIS EVENING ATOP COMPOSITE

OUTFLOW FROM PREVIOUS STORMS AS SLY 850 MB FLOW STRENGTHENS

DOWNSTREAM FROM AZ SHORTWAVE TROUGH.



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 500. MEAN STORM

MOTION VECTOR 25035.





...CORFIDI



270 

WWUS20 KWNS 150151 CCA

SEL6

SPC WW 150151 CCA

TXZ000-150500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 416...CORRECTED

NWS STORM PREDICTION CENTER NORMAN OK

855 PM CDT SUN JUN 14 2009



CORRECTED FOR ENDING TIME...05Z NOT 08Z...



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WEST TEXAS



EFFECTIVE THIS SUNDAY NIGHT FROM 855 PM UNTIL MIDNIGHT 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 NORTH AND SOUTH OF A LINE FROM 65 MILES WEST

NORTHWEST OF LUBBOCK TEXAS TO 15 MILES EAST NORTHEAST OF

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 409...WW 410...WW

411...WW 412...WW 414...WW 415...



DISCUSSION...ELEVATED SUSTAINED STORMS/POSSIBLE SUPERCELLS EXPECTED

TO PERSIST OVER W TX THROUGH LATE THIS EVENING ATOP COMPOSITE

OUTFLOW FROM PREVIOUS STORMS AS SLY 850 MB FLOW STRENGTHENS

DOWNSTREAM FROM AZ SHORTWAVE TROUGH.



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 500. MEAN STORM

MOTION VECTOR 25035.





...CORFIDI

