Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 39, NWS La Crosse, WI

June 5, 1997Juneau County, Monroe County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 5, 1997, 3:45 PM CDT for Juneau County, Monroe County, Wisconsin. It was in force for 60 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
Jun 5, 1997, 3:45 PM CDT (20:45 UTC)
Expired
Jun 5, 1997, 4:45 PM CDT
In force
60 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 20:48 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 5, 4:18 PM CDTThunderstorm Wind 52Ridgeville, 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 5, 1:15 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.8 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 12:00Z on 1997-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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 12:00Z on 1997-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
23 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
1229 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLSE 052045 RRA
SVRLSE
WIC057-081-052145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
345 PM CDT THU JUN 5 1997

* SEVERE THUNDERSTORM WARNING FOR
    MONROE COUNTY - WEST CENTRAL WISCONSIN
    JUNEAU COUNTY - CENTRAL WISCONSIN

* UNTIL 445 PM CDT
 
* SOME LOCATIONS AFFECTED
    TOMAH
    SPARTA
    CAMP DOUGLAS
    MATHER

* AT 340 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE
  THUNDERSTORMS 35 MILES SOUTHWEST OF WISCONSIN RAPIDS AND 40 MILES
  NORTHEAST OF LA CROSSE NEAR WARRENS. THESE STORMS WERE MOVING
  SOUTH AT 20 MPH.

* THESE STORMS WILL BE NEAR TOMAH AROUND 355 PM.

THE MAIN THREAT FROM THESE STORMS IS LARGE HAIL. DO NOT GO OUTDOORS.


NELSON/RIECK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 12:37 PM CDTSevere Thunderstorm WarningARXBuffalo63 min
Jun 5, 1:26 PM CDTSevere Thunderstorm WarningARXJackson64 min
Jun 5, 1:34 PM CDTSevere Thunderstorm WarningARXClark46 min
Jun 5, 1:59 PM CDTSevere Thunderstorm WarningARXTrempealeau46 min
Jun 5, 2:18 PM CDTSevere Thunderstorm WarningARXClark47 min
Jun 5, 2:29 PM CDTSevere Thunderstorm WarningARXJackson, Trempealeau61 min
Jun 5, 3:16 PM CDTSevere Thunderstorm WarningARXLa Crosse64 min
Jun 5, 3:30 PM CDTSevere Thunderstorm WarningARXJackson30 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1997Every severe thunderstorm warning in 1997

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.