Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 52, NWS La Crosse, WI

June 11, 2001Olmsted County, Wabasha County, Minnesota; Buffalo County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 11, 2001, 7:28 PM CDT for Olmsted County, Wabasha County, Minnesota; Buffalo County, Wisconsin. It was in force for 47 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 11, 2001, 7:28 PM CDT (00:28 UTC)
Expired
Jun 11, 2001, 8:15 PM CDT
In force
47 min
Issued by
NWS La Crosse, WI
Area
Whole counties

Counties Olmsted County, MN, Wabasha County, MN, Buffalo County, WI

The radar

The La Crosse radar (KARX), 87 km from the middle of the area, began a volume at 00:30 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.

What was reported inside it

TimeReportWhereRemark
Jun 11, 7:30 PM CDTHail 0.75Nelson, WI
Jun 11, 7:34 PM CDTHail 0.75Millville, MN
Jun 11, 7:52 PM CDTHail 1Buffalo City, WI
Jun 11, 8:15 PM CDTHail 1.25Chatfield, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 3:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 136 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 00:00Z on 2001-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1964 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 00:00Z on 2001-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 square meters per square second.1939587897Sfc1 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
1964 J/kg
Mixed-layer CIN
-312 J/kg
Mixed-layer LCL
1357 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KARX 120031
SVRLSE
MNC109-157-WIC011-120115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
728 PM CDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WABASHA COUNTY IN SOUTHEAST MINNESOTA
  OLMSTED COUNTY IN SOUTHEAST MINNESOTA
  BUFFALO COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 815 PM CDT

* AT 728 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 14 MILES EAST OF MONDOVI TO 8    
  MILES NORTHEAST OF ROCHESTER...MOVING EAST AT 45 MPH. SPOTTERS     
  HAVE REPORTED BOTH HAIL TO ONE INCH AND TREES DOWN WITH THESE      
  STORMS. THIS WARNING EXTENDS THE CURRENT WARNINGS IN EFFECT        
  FOR THESE COUNTIES.

* THE SEVERE THUNDERSTORMS ARE EXPECTED TO BE...
  NEAR EYOTA AT 735 PM CDT...
  NEAR BUFFALO AT 740 PM CDT...
  NEAR DOVER AT 745 PM CDT...
  NEAR FOUNTAIN CITY AT 755 PM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT TUESDAY MORNING
FOR SOUTHWESTERN WISCONSIN. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 800 PM CDT MONDAY EVENING FOR SOUTHEAST MINNESOTA AND
NORTHWESTERN WISCONSIN.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR
YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.

$$

KRC

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 7:19 PM CDTSevere Thunderstorm WarningARXWinona56 min
Jun 11, 8:14 PM CDTSevere Thunderstorm WarningARXWinona61 min
Jun 11, 9:04 PM CDTSevere Thunderstorm WarningARXHouston56 min
Jun 11, 7:30 PM CDTSevere Thunderstorm WarningARXClark30 min
Jun 11, 7:34 PM CDTSevere Thunderstorm WarningARXJackson56 min
Jun 11, 7:46 PM CDTSevere Thunderstorm WarningARXLa Crosse, Trempealeau59 min
Jun 11, 8:09 PM CDTSevere Thunderstorm WarningARXAdams, Juneau, Monroe36 min
Jun 11, 8:45 PM CDTSevere Thunderstorm WarningARXLa Crosse, Trempealeau75 min
Jun 11, 9:27 PM CDTSevere Thunderstorm WarningARXMonroe, Vernon63 min
Jun 11, 10:26 PM CDTSevere Thunderstorm WarningARXRichland64 min
Jun 11, 10:29 PM CDTSevere Thunderstorm WarningARXJuneau, Monroe61 min
Jun 11, 11:30 PM CDTSevere Thunderstorm WarningARXAdams, Juneau60 min
Jun 11, 11:30 PM CDTSevere Thunderstorm WarningARXMonroe60 min
Jun 12, 1:54 AM CDTSevere Thunderstorm WarningARXCrawford66 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001Severe Thunderstorm Warnings in Wisconsin, 2001Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.