Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 28, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jun 17, 2021, 6:59 PM CDT for Buffalo County, Jackson County, Trempealeau County, Wisconsin. It was in force for 46 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, 6:59 PM CDT (23:59 UTC)
- Expired
- Jun 17, 2021, 7:45 PM CDT
- In force
- 46 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Buffalo County, WI, Jackson County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 72 km from the middle of the area, began a volume at 00:02 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, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 12.0 hours before the alert went out and 175 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
- 288 J/kg
- Mixed-layer CIN
- -583 J/kg
- Mixed-layer LCL
- 1902 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
The text
As transmitted.
049 WUUS53 KARX 172359 SVRARX WIC011-053-121-180045- /O.NEW.KARX.SV.W.0028.210617T2359Z-210618T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service La Crosse WI 659 PM CDT Thu Jun 17 2021 The National Weather Service in La Crosse has issued a * Severe Thunderstorm Warning for... Northeastern Buffalo County in west central Wisconsin... West central Jackson County in west central Wisconsin... Northern Trempealeau County in west central Wisconsin... * Until 745 PM CDT. * At 656 PM CDT, a severe thunderstorm was located near Mondovi, moving east at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will be near... Whitehall around 720 PM CDT. Other locations impacted by this severe thunderstorm include Gilmanton, The Borst Valley Area, Taylor, York, Pleasantville, Chimney Rock and Northfield. This includes Interstate 94 between mile markers 95 and 101. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4442 9175 4453 9169 4451 9102 4430 9111 TIME...MOT...LOC 2356Z 272DEG 35KT 4449 9161 HAIL...1.00IN WIND...<50MPH $$ Skow
3 follow-up statements
784
WWUS53 KARX 180008
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
708 PM CDT Thu Jun 17 2021
WIC011-180018-
/O.CAN.KARX.SV.W.0028.000000T0000Z-210618T0045Z/
Buffalo WI-
708 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BUFFALO COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
west central Wisconsin.
LAT...LON 4443 9153 4452 9153 4451 9102 4435 9109
TIME...MOT...LOC 0008Z 272DEG 35KT 4449 9144
$$
WIC053-121-180045-
/O.CON.KARX.SV.W.0028.000000T0000Z-210618T0045Z/
Jackson WI-Trempealeau WI-
708 PM CDT Thu Jun 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR WEST CENTRAL JACKSON AND NORTHERN TREMPEALEAU COUNTIES...
At 708 PM CDT, a severe thunderstorm was located near Strum, or 10
miles northwest of Whitehall, moving east at 40 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
This severe thunderstorm will remain over mainly rural areas of west
central Jackson and northern Trempealeau Counties, including the
following locations... The Borst Valley Area, York, Pleasantville,
Chimney Rock, Northfield, Elk Creek and Pigeon Falls.
This includes Interstate 94 between mile markers 95 and 101.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4443 9153 4452 9153 4451 9102 4435 9109
TIME...MOT...LOC 0008Z 272DEG 35KT 4449 9144
HAIL...1.00IN
WIND...<50MPH
$$
Skow476 WWUS53 KARX 180025 SVSARX Severe Weather Statement National Weather Service La Crosse WI 725 PM CDT Thu Jun 17 2021 WIC053-121-180045- /O.CON.KARX.SV.W.0028.000000T0000Z-210618T0045Z/ Jackson WI-Trempealeau WI- 725 PM CDT Thu Jun 17 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR WEST CENTRAL JACKSON AND NORTHEASTERN TREMPEALEAU COUNTIES... At 725 PM CDT, a severe thunderstorm was located near Osseo, or 9 miles northeast of Whitehall, moving east at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... York, Northfield, Pigeon Falls and Pleasantville. This includes Interstate 94 between mile markers 95 and 101. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4442 9137 4452 9138 4451 9102 4435 9109 TIME...MOT...LOC 0025Z 272DEG 35KT 4448 9121 HAIL...1.00IN WIND...<50MPH $$ Skow
749
WWUS53 KARX 180037
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
737 PM CDT Thu Jun 17 2021
WIC053-121-180047-
/O.EXP.KARX.SV.W.0028.000000T0000Z-210618T0045Z/
Jackson WI-Trempealeau WI-
737 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL JACKSON AND
NORTHEASTERN TREMPEALEAU COUNTIES WILL EXPIRE AT 745 PM CDT...
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 will be allowed to expire. However small hail
is still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
west central Wisconsin.
LAT...LON 4442 9137 4452 9138 4451 9102 4435 9109
TIME...MOT...LOC 0037Z 272DEG 35KT 4448 9107
$$
SkowThe 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, 5:42 AM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe, Richland, Vernon | 33 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 |
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.