Wednesday, November 24, 2010

WATCHES: Tornado Watch Number 750

WWUS20 KWNS 242028
SEL0
SPC WW 242028
ARZ000-KSZ000-MOZ000-OKZ000-250400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 750
NWS STORM PREDICTION CENTER NORMAN OK
230 PM CST WED NOV 24 2010

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

SMALL PART OF NORTHWEST ARKANSAS
PARTS OF SOUTHEAST KANSAS
SOUTHWEST MISSOURI
PARTS OF NORTHEAST OKLAHOMA

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL
1000 PM CST.

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 75 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTH OF FORT
LEONARD WOOD MISSOURI TO 40 MILES SOUTH SOUTHWEST OF CHANUTE
KANSAS. 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...THUNDERSTORMS EXPECTED TO INCREASE IN NUMBER AND
INTENSITY ACROSS THE WATCH AREA AS NWD MOVING WARM FRONT HAS ALLOWED
AN UNSEASONABLY WARM AND MDTLY UNSTABLE AIR MASS TO FLOW INTO AREA.
VERY STRONG SHEAR PROFILES IN PLACE AND WITH CINH NEARLY
GONE...STRONG UPDRAFTS COULD DEVELOP INTO SUPERCELLS THRU THE
AFTERNOON INTO THE EVENING. IN ADDITION TO DAMAGING
WINDS...TORNADOES WILL BE POSSIBLE WITH ANY SUPERCELL THAT FORMS.

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
450. MEAN STORM MOTION VECTOR 24035.


...HALES

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