Tornado Watch 397

Issued

Jun 11, 2001, 3:00 PM CDT (20:00 UTC)

Expired

Jun 11, 2001, 8:00 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

000 
WWUS9 KMKC 111946
SEL7  

SEL7  
MKC WW 111939
MNZ000-WIZ000-120100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 397
STORM PREDICTION CENTER NORMAN OK
239 PM CDT MON JUN 11 2001

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

   CENTRAL AND SOUTHERN MINNESOTA                          
   WESTERN WISCONSIN                          
   AND ADJACENT COASTAL WATERS

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 300 PM UNTIL 800
PM CDT.

 ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
 
DAMAGING TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 140 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES EAST SOUTHEAST OF FAIRMONT MINNESOTA TO 35
MILES NORTH OF MINNEAPOLIS MINNESOTA.

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 395...WW 396...

DISCUSSION...A COUPLE STRONG TORNADOES IN ADDITION TO LARGE HAIL/
HIGH WINDS EXPECTED THIS EVENING ALONG AND AHEAD OF SURFACE TRIPLE 
POINT MOVING EWD ACROSS THE UPR MS VLY.  STRONG PRESSURE RISE/FALL
COUPLET AND CONTINUED SURFACE HEATING SHOULD SERVE TO BREAK
EXISTING CAP NOW OVER REGION.  SURFACE-BASED STORMS WILL HAVE
ACCESS TO MEAN MIXED LAYER CAPE ON THE ORDER OF 4000 J/KG.  STRONG
DIRECTIONAL SHEAR WILL EXIST IN THE BOUNDARY LAYER...WITH WEAKER
SHEAR ALOFT.  

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. 
MEAN STORM MOTION VECTOR 27030.

...CORFIDI

;452,0902 432,0905 432,0963 452,0960;

Tornado Watches in Minnesota, 2001Tornado Watches in Wisconsin, 2001Every tornado watch in 2001

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.