Alert archive / Wisconsin / Flash Flood Warnings in 1998

Flash Flood Warning 21, NWS La Crosse, WI

June 28, 1998Crawford County, Richland County, Wisconsin

NWS La Crosse, WI issued this flash flood warning at Jun 28, 1998, 1:56 AM CDT for Crawford County, Richland County, Wisconsin. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 28, 1998, 1:56 AM CDT (06:56 UTC)
Expired
Jun 28, 1998, 10:00 AM CDT
In force
8 hr
Issued by
NWS La Crosse, WI
Area
Whole counties

Counties Crawford County, WI, Richland County, WI

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 6.9 hours before the alert went out and 188 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 1998-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4171 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 1998-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
4171 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1286 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLSE 280739
FFWLSE
IAC005-037-067-089-191-WIC023-103-281500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING...CORRECTED COUNTY CODES
NATIONAL WEATHER SERVICE LA CROSSE WI
156 AM CDT SUN JUN 28 1998

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* FLOOD WARNING FOR...
  HOWARD COUNTY IN NORTHEAST IOWA
  WINNESHIEK COUNTY IN NORTHEAST IOWA
  ALLAMAKEE COUNTY IN NORTHEAST IOWA
  FLOYD COUNTY IN NORTHEAST IOWA
  CHICKASAW COUNTY IN NORTHEAST IOWA
  RICHLAND COUNTY IN SOUTHWEST WISCONSIN
  CRAWFORD COUNTY IN SOUTHWEST WISCONSIN

* UNTIL 1000 AM CDT

* AT 155 AM CDT...NUMEROUS PROBLEMS DUE TO HIGH WATER CONTINUE ACROSS
  THE AREA.  SEVERAL RIVERS ARE ON THE RISE...WATER REMAINS OVER MANY
  ROADS...AND SOME BRIDGES HAVE BEEN WASHED OUT.

IF TRAVELLING IN THE WARNING AREA THIS MORNING BE ON THE ALERT FOR ROAD
WASHOUTS. DO NOT DRIVE THROUGH AREAS WHERE WATER COVERS THE ROAD.

KING

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 7:35 PM CDTSevere Thunderstorm WarningARXBuffalo70 min
Jun 27, 8:04 PM CDTSevere Thunderstorm WarningARXLa Crosse, Trempealeau86 min
Jun 27, 8:04 PM CDTSevere Thunderstorm WarningARXVernon86 min
Jun 27, 8:21 PM CDTSevere Thunderstorm WarningARXCrawford69 min
Jun 27, 8:36 PM CDTSevere Thunderstorm WarningARXJackson, Monroe84 min
Jun 27, 9:00 PM CDTSevere Thunderstorm WarningARXJuneau75 min
Jun 27, 9:00 PM CDTSevere Thunderstorm WarningARXRichland75 min
Jun 27, 9:28 PM CDTSevere Thunderstorm WarningARXCrawford62 min
Jun 27, 9:34 PM CDTSevere Thunderstorm WarningARXVernon56 min
Jun 27, 9:34 PM CDTSevere Thunderstorm WarningARXAdams56 min
Jun 27, 9:55 PM CDTSevere Thunderstorm WarningARXMonroe35 min
Jun 27, 10:03 PM CDTFlash Flood WarningARXCrawford, Richland4 hr
Jun 28, 1:08 AM CDTSevere Thunderstorm WarningARXGrant62 min
Jun 28, 9:50 AM CDTFlash Flood WarningARXCrawford, Richland4 hr

Nearby

Flash Flood Warnings in Wisconsin, 1998Every flash flood warning in 1998

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.