Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 71, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jun 17, 2001, 8:56 PM CDT for Trempealeau County, Wisconsin. It was in force for 49 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 17, 2001, 8:56 PM CDT (01:56 UTC)
- Expired
- Jun 17, 2001, 9:45 PM CDT
- In force
- 49 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Trempealeau County, WI
The radar
The La Crosse radar (KARX), 55 km from the middle of the area, began a volume at 01:58 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 17, 9:20 PM CDT | Hail 0.75 | Blair, 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.9 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.
- Mixed-layer CAPE
- 38 J/kg
- Mixed-layer CIN
- -195 J/kg
- Mixed-layer LCL
- 1536 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
399 WUUS53 KARX 180156 SVRLSE WIC121-180245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 856 PM CDT SUN JUN 17 2001 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... TREMPEALEAU COUNTY IN WEST CENTRAL WISCONSIN * UNTIL 945 PM CDT * AT 856 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHWEST OF INDEPENDENCE...OR ABOUT 9 MILES NORTHWEST OF WHITEHALL...MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM IS EXPECTED TO BE... RURAL TREMPEALEAU COUNTY AT 910 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. $$ RABERDING LAT...LON 4458 9149 4423 9151 4415 9125 4457 9123
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:02 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 58 min |
| Jun 17, 8:37 PM CDT | Tornado Warning | ARX | Buffalo | 53 min |
| Jun 17, 9:08 PM CDT | Severe Thunderstorm Warning | ARX | Jackson | 67 min |
| Jun 17, 9:15 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 60 min |
| Jun 17, 9:30 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 60 min |
| Jun 17, 9:36 PM CDT | Flash Flood Warning | ARX | Buffalo | 3 hr |
| Jun 17, 9:55 PM CDT | Severe Thunderstorm Warning | ARX | Monroe | 65 min |
| Jun 17, 10:07 PM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 53 min |
| Jun 17, 10:32 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse | 58 min |
| Jun 17, 10:47 PM CDT | Severe Thunderstorm Warning | ARX | Juneau | 58 min |
| Jun 17, 11:14 PM CDT | Severe Thunderstorm Warning | ARX | Monroe | 61 min |
| Jun 17, 11:28 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 32 min |
| Jun 17, 11:31 PM CDT | Severe Thunderstorm Warning | ARX | Vernon | 59 min |
| Jun 18, 1:19 AM CDT | Severe Thunderstorm Warning | ARX | Vernon | 56 min |
| Jun 18, 1:35 AM CDT | Severe Thunderstorm Warning | ARX | Richland | 55 min |
| Jun 18, 4:35 AM CDT | Severe Thunderstorm Warning | ARX | Grant | 55 min |
| Jun 18, 6:03 AM CDT | Severe Thunderstorm Warning | ARX | La Crosse | 57 min |
| Jun 18, 6:06 AM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 54 min |
| Jun 18, 6:50 AM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 20 min |
| Jun 18, 7:15 AM CDT | Severe Thunderstorm Warning | ARX | Clark | 60 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.