Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 41, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jun 17, 2021, 11:14 PM CDT for Houston County, Minnesota; Vernon County, Wisconsin. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 17, 2021, 11:14 PM CDT (04:14 UTC)
- Expired
- Jun 17, 2021, 11:39 PM CDT
- In force
- 25 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Houston County, MN, Vernon County, WI
The radar
The La Crosse radar (KARX), 32 km from the middle of the area, began a volume at 04:18 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 17, 10:01 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 4.2 hours before the alert went out and 221 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
- 1531 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 1979 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
266
WUUS53 KARX 180414
SVRARX
MNC055-WIC123-180500-
/O.NEW.KARX.SV.W.0041.210618T0414Z-210618T0500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
1114 PM CDT Thu Jun 17 2021
The National Weather Service in La Crosse has issued a
* Severe Thunderstorm Warning for...
Southeastern Houston County in southeastern Minnesota...
Vernon County in southwestern Wisconsin...
* Until midnight CDT.
* At 1114 PM CDT, a severe thunderstorm was located over Stoddard, or
9 miles south of La Crosse, moving east at 45 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Coon Valley around 1125 PM CDT.
Viroqua and Westby around 1140 PM CDT.
La Farge around 1155 PM CDT.
Other locations impacted by this severe thunderstorm include Brinkman
Ridge, Esofea, Red Mound, Runge Hollow, County Roads B And Y, Liberty
and Highway 14 61 And County N.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4355 9062 4355 9067 4345 9067 4342 9068
4342 9114 4347 9122 4350 9122 4350 9127
4360 9145 4375 9130 4374 9125 4373 9126
4373 9109 4365 9058
TIME...MOT...LOC 0414Z 288DEG 40KT 4369 9122
HAIL...1.50IN
WIND...60MPH
$$
Kurz2 follow-up statements
498
WWUS53 KARX 180422
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1122 PM CDT Thu Jun 17 2021
MNC055-180432-
/O.CAN.KARX.SV.W.0041.000000T0000Z-210618T0500Z/
Houston MN-
1122 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HOUSTON COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
northeastern Iowa...southeastern Minnesota...and southwestern and
west central Wisconsin.
LAT...LON 4355 9062 4355 9067 4345 9067 4342 9068
4350 9122 4363 9123 4373 9115 4373 9106
4365 9058
TIME...MOT...LOC 0422Z 287DEG 43KT 4364 9105
$$
WIC123-180500-
/O.CON.KARX.SV.W.0041.000000T0000Z-210618T0500Z/
Vernon WI-
1122 PM CDT Thu Jun 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR WESTERN VERNON COUNTY...
At 1122 PM CDT, a severe thunderstorm was located near Coon Valley,
or 9 miles northwest of Viroqua, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Viroqua and Westby around 1135 PM CDT.
La Farge around 1150 PM CDT.
Other locations impacted by this severe thunderstorm include Brinkman
Ridge, Esofea, Spring Ridge, Runge Hollow, County Roads B And Y,
Liberty and Highway 14 61 And County N.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4355 9062 4355 9067 4345 9067 4342 9068
4350 9122 4363 9123 4373 9115 4373 9106
4365 9058
TIME...MOT...LOC 0422Z 287DEG 43KT 4364 9105
HAIL...1.00IN
WIND...60MPH
$$
Kurz962
WWUS53 KARX 180439
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1139 PM CDT Thu Jun 17 2021
WIC123-180449-
/O.CAN.KARX.SV.W.0041.000000T0000Z-210618T0500Z/
Vernon WI-
1139 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN VERNON COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
northeastern Iowa...southeastern Minnesota...and southwestern and
west central Wisconsin.
LAT...LON 4355 9062 4355 9067 4345 9067 4342 9068
4350 9122 4363 9123 4373 9115 4373 9106
4365 9058
TIME...MOT...LOC 0437Z 288DEG 40KT 4359 9084
$$
KurzThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:48 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 57 min |
| Jun 17, 8:27 PM CDT | Severe Thunderstorm Warning | ARX | Winona | 48 min |
| Jun 17, 8:41 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 49 min |
| Jun 17, 9:09 PM CDT | Severe Thunderstorm Warning | ARX | Winona | 51 min |
| Jun 17, 10:22 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha, Winona | 53 min |
| Jun 17, 10:46 PM CDT | Severe Thunderstorm Warning | ARX | Houston, Winona | 44 min |
| Jun 17, 11:15 PM CDT | Areal Flood Advisory | ARX | Houston, Winona | 97 min |
| Jun 17, 7:24 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 40 min |
| Jun 17, 7:39 PM CDT | Special Weather Statement | ARX | Jackson | 36 min |
| Jun 17, 7:54 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Jackson | 20 min |
| Jun 17, 8:52 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Jackson, Trempealeau | 38 min |
| Jun 17, 8:56 PM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 64 min |
| Jun 17, 9:23 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, Trempealeau | 37 min |
| Jun 17, 9:34 PM CDT | Special Weather Statement | ARX | Clark, Jackson | 41 min |
| Jun 17, 9:58 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Trempealeau | 47 min |
| Jun 17, 11:28 PM CDT | Special Weather Statement | ARX | Juneau, Monroe | 47 min |
| Jun 17, 11:56 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 34 min |
| Jun 18, 12:26 AM CDT | Special Weather Statement | ARX | Vernon | 34 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2021Severe Thunderstorm Warnings in Wisconsin, 2021Every severe thunderstorm warning in 2021
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; radar from the NEXRAD Level II archive.