

675 

WWUS20 KWNS 202222

SEL2

SPC WW 202222

TXZ000-210500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 192

NWS STORM PREDICTION CENTER NORMAN OK

525 PM CDT WED MAY 20 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHWEST TEXAS AND THE TEXAS BIG BEND



* EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 525 PM UNTIL MIDNIGHT

  CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...COMBINATION OF RICH MOISTURE...WEAK UPSLOPE FLOW...AND

SURFACE HEATING EXPECTED TO SUPPORT CONTINUED DEVELOPMENT OF STRONG

TO INTENSE THUNDERSTORMS/THUNDERSTORM CLUSTERS --- AND A COUPLE

SUPERCELLS --- WITH A RISK FOR LARGE HAIL...LOCALLY DAMAGING

WIND...AND PERHAPS A TORNADO OR TWO THROUGH LATE TONIGHT.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST

NORTHWEST OF SAN ANGELO TEXAS TO 25 MILES SOUTH SOUTHEAST OF

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



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 32015.





...CORFIDI



929 

WWUS20 KWNS 202222

SEL2

SPC WW 202222

TXZ000-210500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 192

NWS STORM PREDICTION CENTER NORMAN OK

525 PM CDT WED MAY 20 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHWEST TEXAS AND THE TEXAS BIG BEND



* EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 525 PM UNTIL MIDNIGHT

  CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...COMBINATION OF RICH MOISTURE...WEAK UPSLOPE FLOW...AND

SURFACE HEATING EXPECTED TO SUPPORT CONTINUED DEVELOPMENT OF STRONG

TO INTENSE THUNDERSTORMS/THUNDERSTORM CLUSTERS --- AND A COUPLE

SUPERCELLS --- WITH A RISK FOR LARGE HAIL...LOCALLY DAMAGING

WIND...AND PERHAPS A TORNADO OR TWO THROUGH LATE TONIGHT.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST

NORTHWEST OF SAN ANGELO TEXAS TO 25 MILES SOUTH SOUTHEAST OF

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



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 32015.





...CORFIDI

