Severe Thunderstorm Watch 337

Issued

May 24, 2000, 8:15 AM CDT (13:15 UTC)

Expired

May 24, 2000, 2:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

000 
WWUS9 KMKC 241247
MKC WW 241247
ILZ000-KYZ000-MOZ000-TNZ000-241900-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 337
STORM PREDICTION CENTER NORMAN OK
747 AM CDT WED MAY 24 2000

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

   EXTREME SOUTHERN ILLINOIS                           
   WESTERN KENTUCKY                           
   SOUTHEAST MISSOURI                           
   WESTERN AND MIDDLE TENNESSEE                          

EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 815 AM UNTIL
200 PM 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 80 STATUTE MILES
EAST AND WEST OF A LINE FROM 35 MILES NORTHWEST OF CAPE GIRARDEAU
MISSOURI TO 105 MILES EAST SOUTHEAST OF JACKSON TENNESSEE.

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...THUNDERSTORM COMPLEX MOVING INTO SERN MO HAS TAKEN ON
MORE OF A BOW ECHO SIGNATURE SUGGESTING INCREASING THREAT OF WIND
DAMAGE.  STORMS ARE MOVING INTO INCREASINGLY UNSTABLE AIR MASS AS
THEY MOVE SEWD 35-40 KT.  STRONG NWLY MID LEVEL FLOW EXPECTED TO
PERSIST INTO THE TN VALLEY CREATING FAVORABLE VERTICAL SHEAR TO
MAINTAIN THREAT OF SEVERE STORMS.


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 30035.


...WEISS

;373,0883 350,0854 350,0883 373,0912;

Severe Thunderstorm Watches in Tennessee, 2000Severe Thunderstorm Watches in Kentucky, 2000Severe Thunderstorm Watches in Missouri, 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.