Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 62, NWS La Crosse, WI

June 11, 2001Juneau County, Monroe County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 11, 2001, 10:29 PM CDT for Juneau County, Monroe County, Wisconsin. It was in force for 61 min. 8 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, 10:29 PM CDT (03:29 UTC)
Expired
Jun 11, 2001, 11:30 PM CDT
In force
61 min
Issued by
NWS La Crosse, WI
Area
Whole counties

Counties Juneau County, WI, Monroe County, WI

The radar

The La Crosse radar (KARX), 67 km from the middle of the area, began a volume at 03:31 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.

What was reported inside it

TimeReportWhereRemark
Jun 11, 10:40 PM CDTHail 1Tomah, WI
Jun 11, 10:49 PM CDTHail 0.75Tomah, WI
Jun 11, 10:52 PM CDTHail 1Hustler, WI
Jun 11, 10:53 PM CDTHail 1Tomah, WI
Jun 11, 11:00 PM CDTHail 0.75Four Corners, WI
Jun 11, 11:04 PM CDTHail 0.88Cataract, WI
Jun 11, 11:35 PM CDTHail 1Tomah, WI
Jun 11, 11:35 PM CDTHail 0.75Tunnel City, WI

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, 7:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.5 hours before the alert went out and 191 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, Green Bay/Straub, WI at 00:00Z on 2001-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2182 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2001-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
2182 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
990 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KARX 120330
SVRLSE
WIC057-081-120430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1029 PM CDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JUNEAU COUNTY IN CENTRAL WISCONSIN
  MONROE COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 1130 PM CDT

* AT 1029 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 16 MILES WEST OF NEW LISBON...OR ABOUT 
  3 MILES SOUTH OF TOMAH...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM IS EXPECTED TO BE...
  NEAR NEW LISBON AT 1045 PM CDT...
  NEAR NECEDAH AT 1055 PM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT TUESDAY MORNING
FOR SOUTHWESTERN WISCONSIN.

LARGE DESTRUCTIVE HAIL IS THE MAIN THREAT WITH THESE STORMS. FOR YOUR
PROTECTION...SEEK SHELTER IN A STURDY BUILDING AND STAY AWAY FROM
WINDOWS.

$$

BOYNJE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:28 PM CDTSevere Thunderstorm WarningARXBuffalo47 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, 8:14 PM CDTSevere Thunderstorm WarningARXBuffalo61 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, 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 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.