[LeArc] Weather Watch : 0@ 4/27/02 7:27:38 PM

[learc@mailman.qth.net]

The following weather message is provided by McDonough County E.S.D.A.


WWUS20 KWNS 280029
SEL0  
SPC WW 280025
IAZ000-ILZ000-MOZ000-280500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 160
STORM PREDICTION CENTER NORMAN OK
725 PM CDT SAT APR 27 2002

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

   SOUTHEAST IOWA                               
   WEST CENTRAL ILLINOIS                           
   EXTREME NORTHEAST MISSOURI                           

EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 745 PM UNTIL
MIDNIGHT CDT.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO
70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 55 MILES NORTH NORTHEAST OF OTTUMWA IOWA TO 40 MILES
SOUTHWEST OF BURLINGTON IOWA.

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...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 158.  WATCH NUMBER 158 WILL NOT BE IN EFFECT AFTER 745 PM
CDT.  CONTINUE...WW 159...

DISCUSSION...ISOLATED SEVERE THUNDERSTORMS REMAIN POSSIBLE AHEAD OF
VORT MAX OVER SOUTHWEST IA...WITH SUFFICIENT VERTICAL SHEAR
PROFILES FOR SUPERCELLS AND TORNADOES.  SURFACE AIRMASS IS RAPIDLY
DESTABILIZING OVER THIS REGION...SUGGESTING THAT THREAT MAY EXTEND
EASTWARD INTO WESTERN IL BY MIDNIGHT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 24045.

...HART

;414,0902 402,0900 402,0931 414,0934;

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