

279 

WWUS20 KWNS 092010

SEL7

SPC WW 092010

ARZ000-ILZ000-KYZ000-MOZ000-TNZ000-100300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 677

NWS STORM PREDICTION CENTER NORMAN OK

210 PM CST SUN DEC 9 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND NORTHEAST ARKANSAS

       SOUTHERN ILLINOIS

       WESTERN KENTUCKY

       SOUTHEAST MISSOURI

       NORTHWEST TENNESSEE



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 210 PM UNTIL 900

PM CST.



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 30 MILES NORTHEAST OF CAPE

GIRARDEAU MISSOURI TO 25 MILES WEST OF PINE BLUFF ARKANSAS.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 ARE BEGINNING TO INTENSIFY OVER CENTRAL

AR ALONG/AHEAD OF COLD FRONT.  STORMS SHOULD INCREASE IN COVERAGE

THROUGH THE AFTERNOON ACROSS THE WATCH AREA AS LOW LEVEL WINDS

STRENGTHEN.  A FEW SEVERE STORMS CAPABLE OF DAMAGING WINDS AND HAIL

ARE EXPECTED.  ISOLATED SUPERCELLS ARE ALSO POSSIBLE WITH A RISK OF

A TORNADO OR TWO THROUGH THE EARLY EVENING.



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

400. MEAN STORM MOTION VECTOR 25035.





...HART

