Severe Thunderstorm Watch 704

Issued

Aug 23, 2000, 9:45 PM CDT (02:45 UTC)

Expired

Aug 24, 2000, 3:00 AM CDT

In force

5 hr

Issued by

the Storm Prediction Center

540 
WWUS9 KMKC 240243
SEL4  

SEL4  
MKC WW 240215 
ILZ000-MOZ000-240800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 704
STORM PREDICTION CENTER NORMAN OK
915 PM CDT WED AUG 23 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

WESTERN ILLINOIS
NORTHERN AND EASTERN MISSOURI

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 945 PM
UNTIL 300 AM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 65 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTH SOUTHWEST OF
KIRKSVILLE MISSOURI TO SCOTT AFB BELLEVILLE ILLINOIS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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...LINE OF TSTMS IS BEGINNING TO FORM OVER NRN MO AS
SHORTWAVE TROUGH APPROACHES THE AREA. IF COLD POOL CAN
ORGANIZE...DAMAGING WIND EVENT MAY OCCUR AS ACTIVITY SPREADS ESEWD
ALONG INSTABILITY GRADIENT.

AVIATION...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 500.  MEAN STORM
MOTION VECTOR 28035.

...VESCIO

402,0925 392,0891 373,0891 383,0925

N

Severe Thunderstorm Watches in Missouri, 2000Severe Thunderstorm Watches in Illinois, 2000Every severe thunderstorm watch in 2000

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.