

147 

WWUS20 KWNS 090023

SEL8

SPC WW 090023

TXZ000-090600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 38

NWS STORM PREDICTION CENTER NORMAN OK

725 PM CDT WED APR 8 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WEST CETNRAL AND NORTHWEST TEXAS



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 725 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EAST AND WEST OF A LINE FROM 165 MILES NORTH

NORTHEAST OF BIG SPRING TEXAS TO 45 MILES WEST SOUTHWEST OF SAN

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 36...WW 37...



DISCUSSION...LINE OF STORMS WILL CONTINUE TO DEVELOP ALONG THE

DRYLINE AS A MID-UPPER JET STREAK EJECTS ENEWD OVER W TX.  MODERATE

INSTABILITY AND EFFECTIVE BULK SHEAR AOA 50 KT WILL FAVOR ORGANIZED

CELLS/LINE SEGMENTS CAPABLE OF PRODUCING DAMAGING WINDS/HAIL FOR THE

NEXT FEW HOURS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27030.





...THOMPSON



863 

WWUS20 KWNS 090023

SEL8

SPC WW 090023

TXZ000-090600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 38

NWS STORM PREDICTION CENTER NORMAN OK

725 PM CDT WED APR 8 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WEST CETNRAL AND NORTHWEST TEXAS



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 725 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EAST AND WEST OF A LINE FROM 165 MILES NORTH

NORTHEAST OF BIG SPRING TEXAS TO 45 MILES WEST SOUTHWEST OF SAN

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 36...WW 37...



DISCUSSION...LINE OF STORMS WILL CONTINUE TO DEVELOP ALONG THE

DRYLINE AS A MID-UPPER JET STREAK EJECTS ENEWD OVER W TX.  MODERATE

INSTABILITY AND EFFECTIVE BULK SHEAR AOA 50 KT WILL FAVOR ORGANIZED

CELLS/LINE SEGMENTS CAPABLE OF PRODUCING DAMAGING WINDS/HAIL FOR THE

NEXT FEW HOURS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27030.





...THOMPSON

