Severe Thunderstorm Watch 562

Issued

Jul 9, 2000, 10:30 PM CDT (03:30 UTC)

Expired

Jul 10, 2000, 4:00 AM CDT

In force

6 hr

Issued by

the Storm Prediction Center

111 
WWUS9 KMKC 100332
SEL2  

SEL2  
MKC WW 100324 COR
IAZ000-MNZ000-100900-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 562
STORM PREDICTION CENTER NORMAN OK
1024 PM CDT SUN JUL 9 2000

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

     NORTHEAST IOWA
     SOUTHEAST MINNESOTA

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1030 PM UNTIL
400 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 70 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 35 MILES WEST OF MASON CITY IOWA TO
35 MILES NORTH OF DUBUQUE IOWA.

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.

OTHER WATCH INFORMATION...  CONTINUE...WW 560...WW 561...

DISCUSSION...LARGE CLUSTER OF THUNDERSTORMS CONTINUE EWD/SEWD
ACROSS SERN MN/NERN IA.  ACTIVITY IS EXPECTED TO MOVE SEWD NEXT FEW
HOURS ALONG INSTBILITY GRADIENT WITH SBCAPE OF 3000 TO 4000 J/KG. 

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 600.  MEAN STORM
MOTION VECTOR 24035.


...MCCARTHY

440,0940 435,0904 415,0904 420,0940

Severe Thunderstorm Watches in Iowa, 2000Severe Thunderstorm Watches in Minnesota, 2000Severe Thunderstorm Watches in Wisconsin, 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.