

000 

WWUS20 KWNS 240254

SEL3

SPC WW 240254

NMZ000-TXZ000-241000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 73

NWS STORM PREDICTION CENTER NORMAN OK

955 PM CDT FRI MAR 23 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHEAST NEW MEXICO

       WEST TEXAS



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 955 PM

UNTIL 500 AM CDT.



TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH NORTHWEST OF

PLAINVIEW TEXAS TO 10 MILES WEST OF FORT STOCKTON TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU3).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 70. WATCH NUMBER 70 WILL NOT BE IN EFFECT AFTER 955

PM CDT. CONTINUE...WW 69...WW 71...WW 72...



DISCUSSION...LINE OF SEVERE STORMS EXTENDS ALONG THE TX/NM

BORDER...WITH ANOTHER ISOLATED SUPERCELL SOUTHEAST OF MAF.  ALL

ACTIVITY IS EXPECTED TO PERSIST FOR SEVERAL MORE HOURS AND SPREAD

SLOWLY EASTWARD INTO WEST TX.  STRONG AND INCREASING LOW LEVEL SHEAR

WILL MAINTAIN A FAVORABLE ENVIRONMENT FOR SUPERCELLS AND BOWS

CAPABLE OF LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 23030.





...HART

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