

369 

WWUS20 KWNS 122325

SEL0

SPC WW 122325

NMZ000-TXZ000-130700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 660

NWS STORM PREDICTION CENTER NORMAN OK

625 PM CDT FRI OCT 12 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN NM NEW MEXICO

       MUCH OF WEST TEXAS



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 625 PM

UNTIL 200 AM CDT.



TORNADOES...HAIL TO 2 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 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 45 MILES EAST SOUTHEAST OF

CARLSBAD NEW MEXICO TO 25 MILES NORTH OF AMARILLO TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU0).



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.



DISCUSSION...ISOLATED/WIDELY SCATTERED SEVERE TSTMS ARE EXPECTED TO

INCREASE THIS EVENING ACROSS EASTERN NM AND MUCH OF WEST/NORTHWEST

TX. A SEASONALLY MOIST AND MODERATELY UNSTABLE BOUNDARY LAYER...IN

THE PRESENCE OF STRENGTHENING VERTICAL SHEAR...WILL SUPPORT

SUPERCELLS CAPABLE OF LARGE HAIL. A TORNADO THREAT WILL EXIST AS

WELL THROUGH AT LEAST EARLY/MID EVENING ALONG AND SOUTH OF A FRONTAL

BOUNDARY ACROSS NORTHEAST NM/TX PANHANDLE...ESPECIALLY GIVEN THE

LOW-LEVEL SHEAR WILL STRENGTHEN AFTER DARK.



AVIATION...TORNADOES AND 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 23030.





...GUYER

