Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 25, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jun 17, 2021, 5:42 AM CDT for 4 counties in Wisconsin. It was in force for 33 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, 5:42 AM CDT (10:42 UTC)
- Expired
- Jun 17, 2021, 6:15 AM CDT
- In force
- 33 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Juneau County, WI, Monroe County, WI, Richland County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 71 km from the middle of the area, began a volume at 10:42 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 10.7 hours before the alert went out and 203 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2666 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
008
WUUS53 KARX 171042
SVRARX
WIC057-081-103-123-171115-
/O.NEW.KARX.SV.W.0025.210617T1042Z-210617T1115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
542 AM CDT Thu Jun 17 2021
The National Weather Service in La Crosse has issued a
* Severe Thunderstorm Warning for...
Southwestern Juneau County in central Wisconsin...
Northeastern Vernon County in southwestern Wisconsin...
North central Richland County in southwestern Wisconsin...
Southeastern Monroe County in west central Wisconsin...
* Until 615 AM CDT.
* At 540 AM CDT, a severe thunderstorm was located 9 miles northwest
of Hillsboro, or 17 miles south of Tomah, moving southeast at 40
mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* This severe thunderstorm will be near...
Hillsboro around 555 AM CDT.
Wonewoc around 600 AM CDT.
Other locations impacted by this severe thunderstorm include Oil
City, Wildcat Mountain State Park, Bartons Corners, Union Center,
Highway 80 And County C C, White City and Benders Corners.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4364 9031 4355 9031 4355 9024 4347 9036
4373 9065 4385 9047 4364 9015
TIME...MOT...LOC 1040Z 317DEG 33KT 4374 9049
HAIL...1.00IN
WIND...<50MPH
$$
DAS2 follow-up statements
435
WWUS53 KARX 171057
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
557 AM CDT Thu Jun 17 2021
WIC057-081-103-123-171115-
/O.CON.KARX.SV.W.0025.000000T0000Z-210617T1115Z/
Juneau WI-Vernon WI-Richland WI-Monroe WI-
557 AM CDT Thu Jun 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM CDT
FOR SOUTHWESTERN JUNEAU...NORTHEASTERN VERNON...NORTH CENTRAL
RICHLAND AND SOUTHEASTERN MONROE COUNTIES...
At 557 AM CDT, a severe thunderstorm was located over Hillsboro, or
17 miles southwest of Mauston, moving southeast at 40 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
This severe storm will be near...
Wonewoc around 600 AM CDT.
Other locations impacted by this severe thunderstorm include Benders
Corners, Trippville, Bartons Corners, Mount Tabor, Union Center,
Dilly and Highway 80 And County C C.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4364 9031 4355 9031 4355 9024 4347 9036
4370 9055 4376 9038 4364 9015
TIME...MOT...LOC 1057Z 317DEG 33KT 4362 9034
HAIL...1.00IN
WIND...<50MPH
$$
Shea205
WWUS53 KARX 171108
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
608 AM CDT Thu Jun 17 2021
WIC057-081-103-123-171118-
/O.EXP.KARX.SV.W.0025.000000T0000Z-210617T1115Z/
Juneau WI-Vernon WI-Richland WI-Monroe WI-
608 AM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN JUNEAU...
NORTHEASTERN VERNON...NORTH CENTRAL RICHLAND AND SOUTHEASTERN MONROE
COUNTIES WILL EXPIRE AT 615 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and continues to exit the warned area. Therefore, the
warning will be allowed to expire.
LAT...LON 4364 9031 4355 9031 4355 9024 4347 9036
4370 9055 4376 9038 4364 9015
TIME...MOT...LOC 1108Z 317DEG 33KT 4357 9028
$$
SheaThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 3:34 AM CDT | Special Weather Statement | ARX | Buffalo, Trempealeau | 56 min |
| Jun 17, 4:10 AM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 17 min |
| Jun 17, 5:36 AM CDT | Special Weather Statement | ARX | Grant | 24 min |
| Jun 17, 3:36 PM CDT | Special Weather Statement | ARX | Adams | 24 min |
| Jun 17, 5:56 PM CDT | Special Weather Statement | ARX | Trempealeau | 34 min |
| Jun 17, 6:20 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 25 min |
| Jun 17, 6:43 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 47 min |
| Jun 17, 6:50 PM CDT | Special Weather Statement | ARX | Trempealeau | 25 min |
| Jun 17, 6:59 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Jackson, Trempealeau | 46 min |
Nearby
Severe 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.