Tornado Watch 623

Issued

Jul 2, 2003, 7:25 PM CDT (00:25 UTC)

Expired

Jul 3, 2003, 1:00 AM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The Minneapolis radar (KMPX), 155 km from the middle of the area, began a volume at 00:27 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.

• Mesoscale Discussion 1582Jul 2, 3:30 PM CDT
• Mesoscale Discussion 1583Jul 2, 5:14 PM CDT
• Mesoscale Discussion 1585Jul 2, 9:06 PM CDT
• Mesoscale Discussion 1587Jul 2, 11:14 PM CDT

000 
WWUS20 KWNS 030025
SEL3  
SPC WW 030025
MNZ000-NDZ000-SDZ000-WIZ000-LSZ000-030600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 623 
NWS STORM PREDICTION CENTER NORMAN OK 
725 PM CDT WED JUL 2 2003

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

       CENTRAL AND SOUTHERN MINNESOTA
       EXTREME SOUTHEAST NORTH DAKOTA
       EXTREME NORTHEAST SOUTH DAKOTA
       NORTHWEST WISCONSIN
       LAKE SUPERIOR

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 725 PM
UNTIL 100 AM CDT.

TORNADOES...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 75 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 60 MILES NORTH OF WATERTOWN SOUTH DAKOTA TO
70 MILES NORTH NORTHEAST OF EAU CLAIRE WISCONSIN.

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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 621. WATCH NUMBER 621 WILL NOT BE IN
EFFECT AFTER 725 PM CDT. CONTINUE...WW 622...


DISCUSSION...THUNDERSTORMS/SUPERCELLS EXPECTED TO INCREASE ALONG
STALLING OUTFLOW  BOUNDARY ASSOCIATED WITH NE MN BOW MCS AS LOW
LEVEL JET/MOISTURE INFLUX INCREASE LATER THIS EVENING. STORMS MOVING
E ALONG BOUNDARY WILL HAVE CHANCE TO DEVELOP LOW LEVEL ROTATION
GIVEN MODERATE DIRECTIONAL SHEAR AND RICH MOISTURE INFLOW.  THE
STORMS SHOULD EVOLVE INTO AN MCS WITH BOWING SEGMENTS LATER THIS
EVENING...WITH GENERAL MOTION TOWARD THE SE.

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 550.
MEAN STORM MOTION VECTOR 29025.


...CORFIDI

465,0970 465,0905 444,0905 444,0970

Tornado Watches in Minnesota, 2003Tornado Watches in Wisconsin, 2003Tornado Watches in South 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; radar from the NEXRAD Level II archive.