WATCHES: Tornado Watch Number 601

WWUS20 KWNS 312051
SEL1
SPC WW 312051
ILZ000-010300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 601
NWS STORM PREDICTION CENTER NORMAN OK
350 PM CDT FRI AUG 31 2012

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

CENTRAL ILLINOIS

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
1000 PM CDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 80 MILES WEST OF SPRINGFIELD
ILLINOIS TO 20 MILES EAST NORTHEAST OF MATTOON ILLINOIS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU1).

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 600...

DISCUSSION...AREA OF TSTMS IN W CNTRL IL...SOME OF WHICH HAVE SHOWN
LOW-LVL ROTATION...EXPECTED TO MOVE/DEVELOP NNE INTO CNTRL IL A BIT
LATER THIS AFTN/EVE. STORMS MAY CONTINUE TO EXHIBIT LOW-LVL
ROTATION GIVEN PRESENCE OF DIFFUSE WNW-ESE WARM FRONT APPROACHING
SRN PART OF WW...AND CONTINUED NNE MOVEMENT OF REMNANT CIRCULATION
OF FORMER HRCN ISAAC.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 19030.


...CORFIDI

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