WATCHES: Tornado Watch Number 710

WWUS20 KWNS 171608
SEL0
SPC WW 171608
ARZ000-LAZ000-TXZ000-CWZ000-172300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 710
NWS STORM PREDICTION CENTER NORMAN OK
1110 AM CDT WED OCT 17 2007

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

SOUTHWEST ARKANSAS
MUCH OF WESTERN AND NORTHERN LOUISIANA
PARTS OF EASTERN TEXAS
COASTAL WATERS

EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1110 AM UNTIL
600 PM CDT.

TORNADOES...HAIL TO 1.5 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 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH OF TEXARKANA
ARKANSAS TO 65 MILES SOUTHWEST OF INTRACOASTAL CITY LOUISIANA.
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.

OTHER WATCH INFORMATION...CONTINUE...WW 708...WW 709...

DISCUSSION...VERY MOIST AIRMASS ALONG WITH FAVORABLE LOW LEVEL SHEAR
PROFILES WILL SUPPORT INCREASING TORNADIC SUPERCELL POTENTIAL
THROUGH THE AFTERNOON. STORMS WILL INCREASE NWD THRU WATCH AREA AS
AIR MASS CONTINUES TO DESTABILIZE.

AVIATION...TORNADOES AND 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
550. MEAN STORM MOTION VECTOR 23025.

..HALES

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