WATCHES: Tornado Watch Number 660

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

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