Alert archive / Minnesota / Tornado Watches in 2001

Tornado Watch 396

June 11, 200118 counties in Minnesota; 8 counties in Wisconsin

The Storm Prediction Center issued this tornado watch at Jun 11, 2001, 2:15 PM CDT for 18 counties in Minnesota; 8 counties in Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 11, 2001, 2:15 PM CDT (19:15 UTC)
Expired
Jun 11, 2001, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 26 counties

Aitkin County, MN, Benton County, MN, Carlton County, MN, Cass County, MN, Chisago County, MN, Crow Wing County, MN, Douglas County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Pine County, MN, Pope County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Todd County, MN, Wadena County, MN, Ashland County, WI, Barron County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Polk County, WI, Sawyer County, WI, Washburn County, WI

Warnings issued inside it

22 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 11, 2:19 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope56 min
Jun 11, 2:19 PM CDTSevere Thunderstorm WarningMPXTodd56 min
Jun 11, 2:34 PM CDTSevere Thunderstorm WarningDLHCrow Wing41 min
Jun 11, 2:48 PM CDTSevere Thunderstorm WarningDLHAitkin32 min
Jun 11, 2:48 PM CDTTornado WarningMPXTodd32 min
Jun 11, 2:49 PM CDTSevere Thunderstorm WarningMPXMorrison56 min
Jun 11, 3:15 PM CDTSevere Thunderstorm WarningMPXPope45 min
Jun 11, 3:29 PM CDTSevere Thunderstorm WarningMPXBenton31 min
Jun 11, 3:46 PM CDTSevere Thunderstorm WarningMPXMille Lacs44 min
Jun 11, 3:50 PM CDTSevere Thunderstorm WarningMPXSherburne40 min
Jun 11, 4:00 PM CDTSevere Thunderstorm WarningMPXBenton30 min
Jun 11, 4:03 PM CDTSevere Thunderstorm WarningMPXStearns57 min
Jun 11, 4:05 PM CDTSevere Thunderstorm WarningMPXIsanti, Kanabec40 min
Jun 11, 4:30 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago45 min
Jun 11, 4:57 PM CDTSevere Thunderstorm WarningDLHBurnett33 min
Jun 11, 5:06 PM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix54 min
Jun 11, 5:10 PM CDTSevere Thunderstorm WarningMPXChisago, Washington35 min
Jun 11, 5:28 PM CDTSevere Thunderstorm WarningDLHWashburn47 min
Jun 11, 5:30 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn60 min
Jun 11, 5:37 PM CDTSevere Thunderstorm WarningDLHCrow Wing38 min
Jun 11, 6:01 PM CDTSevere Thunderstorm WarningDLHSawyer59 min
Jun 11, 6:07 PM CDTSevere Thunderstorm WarningDLHAitkin53 min

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.3 hours before the alert went out and 132 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2001-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2001-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1636 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS9 KMKC 111914
SEL6  

SEL6  
MKC WW 111909
MNZ000-WIZ000-120100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 396
STORM PREDICTION CENTER NORMAN OK
209 PM CDT MON JUN 11 2001

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

   CENTRAL AND NORTHERN MINNESOTA                          
   NORTHWEST WISCONSIN                          
   WESTERN LAKE SUPERIOR

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 215 PM UNTIL 800
PM 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 120 STATUTE MILES EAST AND WEST
OF A LINE FROM 15 MILES SOUTH SOUTHEAST OF SAINT CLOUD MINNESOTA TO
15 MILES NORTH OF DULUTH 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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 394.  WATCH NUMBER 394 WILL NOT BE IN
EFFECT AFTER 215 PM CDT.  CONTINUE...WW 395...

DISCUSSION...THUNDERSTORMS...INCLUDING SUPERCELLS...EXPECTED TO 
INCREASE IN COVERAGE/INTENSITY AHEAD OF SURFACE WAVE AND ASSOCIATED
SHORTWAVE TROUGH MOVING E FROM THE DAKOTAS.  POTENTIAL WILL EXIST 
FOR STORM CLUSTERS/LEWPS WITH LARGE HAIL/HIGH WINDS AND ISOLATED
TORNADOES.

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 CUMULONIMBgI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 27035.

...CORFIDI

;470,0893 451,0912 451,0962 470,0944;

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 9:30 AM CDTSevere Thunderstorm WatchSPCBecker, Cass, Clay, Douglas, Grant, Hubbard and 11 more5 hr
Jun 11, 3:00 PM CDTTornado WatchSPCAnoka, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 39 more5 hr

Nearby

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

Sources

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.