Tornado Watch 213

Issued

May 9, 2001, 4:30 PM CDT (21:30 UTC)

Expired

May 9, 2001, 10:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The Minneapolis radar (KMPX), 73 km from the middle of the area, began a volume at 21:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
WWUS9 KMKC 092105
SEL3  

SEL3  
MKC WW 092056
MNZ000-WIZ000-100300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 213
STORM PREDICTION CENTER NORMAN OK
356 PM CDT WED MAY 9 2001

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

SOUTH CENTRAL AND SOUTHEAST MINNESOTA                          
EXTREME WEST CENTRAL WISCONSIN                          

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 430 PM UNTIL
1000 PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 100 STATUTE MILES EAST AND WEST
OF A LINE FROM 25 MILES NORTH OF MINNEAPOLIS MINNESOTA TO 40 MILES
SOUTHWEST OF ROCHESTER 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.

DISCUSSION...VISIBLE IMAGERY SHOWS CUMULUS DEVELOPING ALONG THE
CONVERGENCE BOUNDARY IN SW MN.  THUNDERSTORMS SHOULD DEVELOP ALONG
THE BOUNDARY IN THE NEXT 1-2 HOURS...WITH SUPERCELLS LIKELY GIVEN
THE STRONG DEEP LAYER SHEAR.  THOUGH TEMPERATURE-DEWPOINT SPREADS
ARE RELATIVELY LARGE ACROSS SW MN AND ADJACENT NRN IA...LOW-LEVEL
SHEAR IS QUITE STRONG ACROSS SE MN.  THEREFORE...LARGE HAIL AND
DAMAGING WINDS WILL BE THE MAIN THREATS...BUT A COUPLE OF TORNADOES
WILL ALSO BE POSSIBLE ACROSS THE SE MN AREA LATER THIS EVENING.  

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 27030.


...THOMPSON

;451,0911 432,0910 432,0950 451,0951;

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; radar from the NEXRAD Level II archive.