WATCHES: Tornado Watch Number 706

WWUS20 KWNS 170637
SEL6
SPC WW 170637
OKZ000-TXZ000-171400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 706
NWS STORM PREDICTION CENTER NORMAN OK
135 AM CDT WED OCT 17 2007

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

WESTERN OKLAHOMA
THE TEXAS PANHANDLE AND NORTHWEST TEXAS

EFFECTIVE THIS WEDNESDAY MORNING FROM 135 AM UNTIL 900 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 65 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST NORTHWEST OF
PLAINVIEW TEXAS TO 50 MILES SOUTH OF ALVA OKLAHOMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU6).

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...CONTINUE...WW 705...

DISCUSSION...TSTMS/SUPERCELLS EXPECTED TO PERSIST AND POSSIBLY
INCREASE IN NUMBER INVOF DIFFUSE WARM FRONT EXTENDING ENE FROM SWRN
PARTS OF THE TX PANHANDLE INTO NW OK. SLY LLJ SHOULD CONTINUE TO
STRENGTHEN AND MOISTEN WITH CONTINUED NE MOTION OF LEAD
IMPULSE...NOW OVER ERN NM...ASSOCIATED WITH APPROACHING LARGER SCALE
TROUGH OVER THE SRN RCKYS/GRT BASIN. SETUP MAY SUPPORT NEAR
SFC-BASED STORMS THAT COULD POSE A THREAT FOR ISOLATED TORNADOES IN
ADDITION TO LARGE HAIL GIVEN LOW LCLS AND CONSIDERABLE DIRECTIONAL
COMPONENT TO LOW LVL SHEAR.

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
450. MEAN STORM MOTION VECTOR 24035.

..CORFIDI

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