Alert archive / Iowa / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 57, NWS La Crosse, WI

May 31, 2000Allamakee County, Iowa; Houston County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at May 31, 2000, 10:35 PM CDT for Allamakee County, Iowa; Houston County, Minnesota. It was in force for 55 min. 1 report 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
May 31, 2000, 10:35 PM CDT (03:35 UTC)
Expired
May 31, 2000, 11:30 PM CDT
In force
55 min
Issued by
NWS La Crosse, WI
Area
Whole counties

Counties Allamakee County, IA, Houston County, MN

What was reported inside it

TimeReportWhereRemark
May 31, 11:00 PM CDTHail 0.75Lansing, IA

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, 3.6 hours before the alert went out and 220 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°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 010336
SVRLSE
IAC005-MNC055-010430-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1035 PM CDT WED MAY 31 2000

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ALLAMAKEE COUNTY IN NORTHEAST IOWA
  HOUSTON COUNTY IN SOUTHEAST MINNESOTA

* UNTIL 1130 PM CDT

* AT 1035 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EITZEN...OR ABOUT 9 MILES SOUTH OF
  CALEDONIA. THIS ACTIVITY WAS MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR NEW ALBIN AND RENO AT 1045 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.

RIECK

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:30 PM CDTSevere Thunderstorm WarningARXClayton45 min
May 31, 9:07 PM CDTSevere Thunderstorm WarningARXMitchell53 min
May 31, 10:00 PM CDTSevere Thunderstorm WarningARXMitchell60 min
May 31, 10:27 PM CDTFlash Flood WarningARXMitchell5 hr
May 31, 10:49 PM CDTFlash Flood WarningARXHoward4 hr
Jun 1, 12:02 AM CDTSevere Thunderstorm WarningARXHoward, Mitchell58 min
Jun 1, 12:14 AM CDTSevere Thunderstorm WarningARXChickasaw61 min
Jun 1, 12:22 AM CDTFlash Flood WarningARXAllamakee, Winneshiek6 hr
Jun 1, 1:35 AM CDTSevere Thunderstorm WarningARXAllamakee, Clayton55 min
Jun 1, 6:02 AM CDTFlash Flood WarningARXAllamakee4 hr
May 31, 9:33 PM CDTSevere Thunderstorm WarningARXFillmore57 min
May 31, 10:38 PM CDTSevere Thunderstorm WarningARXOlmsted, Winona67 min
May 31, 11:16 PM CDTSevere Thunderstorm WarningARXMower59 min
May 31, 11:30 PM CDTFlash Flood WarningARXMower5 hr
Jun 1, 1:15 AM CDTFlash Flood WarningARXFillmore5 hr
Jun 1, 3:52 AM CDTFlash Flood WarningARXMower2 hr
Jun 1, 4:25 AM CDTFlash Flood WarningARXHouston95 min
Jun 1, 10:00 AM CDTFlash Flood WarningARXFillmore, Houston, Mower6 hr
Jun 1, 1:30 PM CDTSevere Thunderstorm WarningARXWinona60 min
Jun 1, 2:02 PM CDTSevere Thunderstorm WarningARXFillmore58 min
Jun 1, 2:19 PM CDTFlash Flood WarningARXWinona3 hr
Jun 1, 2:57 PM CDTSevere Thunderstorm WarningARXHouston63 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2000Severe Thunderstorm Warnings in Minnesota, 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.