Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 56, NWS La Crosse, WI

May 31, 2000Grant County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at May 31, 2000, 10:11 PM CDT for Grant County, Wisconsin. It was in force for 64 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
May 31, 2000, 10:11 PM CDT (03:11 UTC)
Expired
May 31, 2000, 11:15 PM CDT
In force
64 min
Issued by
NWS La Crosse, WI
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Grant County, WI

What was reported inside it

TimeReportWhereRemark
May 31, 10:30 PM CDTHail 0.75Potosi, 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
May 31, 9:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.2 hours before the alert went out and 130 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, Davenport, at 00:00Z on 2000-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1028 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, Davenport, at 00:00Z on 2000-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 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
1028 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
935 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KARX 010312
SVRLSE
WIC043-010415-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1011 PM CDT WED MAY 31 2000

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GRANT COUNTY IN SOUTHWEST WISCONSIN

* UNTIL 1115 PM CDT

* AT 1011 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER BURTON...OR ABOUT 11 MILES SOUTHWEST OF
  LANCASTER. THIS ACTIVITY WAS MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR DICKEYVILLE AT 1020 PM CDT
  NEAR PLATTEVILLE AT 1035 PM CDT

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.

THOMPSON

LAT...LON 4290 9107 4272 9100 4251 9064 4270 8986
          4297 8993

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:34 PM CDTSevere Thunderstorm WarningARXGrant56 min
May 31, 9:58 PM CDTFlash Flood WarningARXGrant4 hr
May 31, 11:10 PM CDTSevere Thunderstorm WarningARXCrawford, Vernon65 min
May 31, 11:40 PM CDTFlash Flood WarningARXVernon3 hr
Jun 1, 12:06 AM CDTSevere Thunderstorm WarningARXRichland69 min
Jun 1, 12:22 AM CDTFlash Flood WarningARXCrawford, Richland6 hr
Jun 1, 1:55 AM CDTFlash Flood WarningARXGrant4 hr
Jun 1, 2:45 AM CDTFlash Flood WarningARXVernon3 hr
Jun 1, 6:02 AM CDTFlash Flood WarningARXCrawford, Richland, Vernon4 hr
Jun 1, 10:00 AM CDTFlash Flood WarningARXCrawford, Richland, Vernon6 hr
Jun 1, 1:30 PM CDTSevere Thunderstorm WarningARXTrempealeau60 min
Jun 1, 2:19 PM CDTFlash Flood WarningARXJackson, Trempealeau3 hr
Jun 1, 2:37 PM CDTSevere Thunderstorm WarningARXJackson, La Crosse, Monroe53 min
Jun 1, 3:10 PM CDTTornado WarningARXMonroe35 min
Jun 1, 3:35 PM CDTTornado WarningARXJuneau55 min
Jun 1, 3:48 PM CDTTornado WarningARXMonroe27 min
Jun 1, 4:04 PM CDTTornado WarningARXAdams56 min
Jun 1, 4:24 PM CDTSevere Thunderstorm WarningARXRichland, Vernon66 min
Jun 1, 4:30 PM CDTSevere Thunderstorm WarningARXJuneau60 min
Jun 1, 5:37 PM CDTSevere Thunderstorm WarningARXGrant38 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2000Every severe thunderstorm warning in 2000

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.