WATCHES: Tornado Watch Number 709

WWUS20 KWNS 171543
SEL9
SPC WW 171543
ARZ000-KSZ000-MOZ000-OKZ000-172300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 709
NWS STORM PREDICTION CENTER NORMAN OK
1045 AM CDT WED OCT 17 2007

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

NORTHWEST ARKANSAS
SOUTHEAST KANSAS
SOUTHWEST MISSOURI
NORTHEAST OKLAHOMA

EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1045 AM UNTIL
600 PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF CHANUTE
KANSAS TO 10 MILES SOUTH SOUTHEAST OF FORT SMITH ARKANSAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU9).

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...

DISCUSSION...STRONG SYSTEM CONTINUES TO DEEPEN INTO PLAINS WITH
RAPID INCREASE IN MOISTURE/INSTABILITY NWD THROUGH WATCH AREA.
SEVERE THUNDERSTORMS NRN OK EXPECTED TO CONTINUE DEVELOPING NEWD
WITH INCREASING POTENTIAL FOR TORNADIC SUPERCELLS DURING THE
AFTERNOON.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 23040.

..HALES

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