Tornado Watch 427

Issued

Jun 7, 2005, 2:35 PM CDT (19:35 UTC)

Expired

Jun 7, 2005, 9:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The Minneapolis radar (KMPX), 32 km from the middle of the area, began a volume at 19:37 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 1223Jun 7, 2:20 PM CDT
• Mesoscale Discussion 1229Jun 7, 4:53 PM CDT
• Mesoscale Discussion 1232Jun 7, 7:43 PM CDT

000 
WWUS20 KWNS 071935
SEL7  
SPC WW 071935
MNZ000-WIZ000-080200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 427
NWS STORM PREDICTION CENTER NORMAN OK
235 PM CDT TUE JUN 7 2005

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

       CENTRAL AND SOUTHERN MINNESOTA
       WESTERN WISCONSIN

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 235 PM UNTIL 900
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF SAINT CLOUD
MINNESOTA TO 40 MILES EAST OF FAIRMONT MINNESOTA.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU7).

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 425...WW 426...

DISCUSSION...CONVECTIVE BOUNDARY HAS BECOME ESTABLISHED FROM CENTRAL
MN SSEWD INTO SERN MN. AIR MASS CONTINUES TO DESTABILIZE WITH
MLCAPES CURRENTLY BETWEEN 1500 AND 2000 J/KG.  MPX RAOB FROM 18Z
SHOWS 40-45 KT OF DEEP LAYER SHEAR AND MID LEVEL LAPSE RATES AROUND
7.5C. GIVEN FAVORABLE 0-1 KM SHEAR AND CONTINUED
DESTABILIZATION...LARGE HAIL AND ISOLATED TORNADOES ARE POSSIBLE
ACROSS THIS REGION THRU EARLY THIS EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 26035.


...MCCARTHY

460,0912 433,0914 433,0952 460,0950

Tornado Watches in Minnesota, 2005Tornado Watches in Wisconsin, 2005Every tornado watch in 2005

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.