Tornado Watch 561

Issued

Jun 22, 2003, 2:55 PM CDT (19:55 UTC)

Expired

Jun 22, 2003, 9:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

• Mesoscale Discussion 1456Jun 22, 2:27 PM CDT
• Mesoscale Discussion 1460Jun 22, 5:59 PM CDT
• Mesoscale Discussion 1463Jun 22, 8:05 PM CDT

000 
WWUS20 KWNS 221955
SEL1  
SPC WW 221955
MNZ000-NDZ000-SDZ000-230200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 561 
NWS STORM PREDICTION CENTER NORMAN OK 
255 PM CDT SUN JUN 22 2003

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

       WESTERN AND NORTHERN MINNESOTA
       EASTERN NORTH DAKOTA
       EASTERN SOUTH DAKOTA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 255 PM UNTIL 900
PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 55 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST
OF A LINE FROM 60 MILES NORTH OF THIEF RIVER FALLS MINNESOTA TO 35
MILES SOUTH SOUTHWEST OF BROOKINGS SOUTH DAKOTA.

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 559...WW 560...


DISCUSSION...THUNDERSTORMS/SUPERCELLS EXPECTED TO INCREASE
ALONG/AHEAD OF SYNOPTIC FRONT OVER RED RIVER VALLEY REGION...WHERE
DEEP SHEAR WILL INCREASE WITH CONTINUED NEWD MOVEMENT OF WRN DAKOTAS
UPPER TROUGH.  ENHANCED LOW LEVEL SHEAR AND HIGH MOISTURE CONTENT
INVOF SURFACE BOUNDARY AND WEAK LINEAR FORCING SUGGEST POTENTIAL FOR
TORNADOES IN ADDITION TO HAIL/HIGH WIND.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 23035.


...CORFIDI

485,0941 434,0951 434,0985 485,0980

Tornado Watches in Minnesota, 2003Tornado Watches in South Dakota, 2003Tornado Watches in North Dakota, 2003Every tornado watch in 2003

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.