Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 34, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jun 17, 2021, 8:52 PM CDT for Buffalo County, Jackson County, Trempealeau County, Wisconsin. It was in force for 38 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, 8:52 PM CDT (01:52 UTC)
- Expired
- Jun 17, 2021, 9:30 PM CDT
- In force
- 38 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Buffalo County, WI, Jackson County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 74 km from the middle of the area, began a volume at 01:53 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 00:00Z, 1.9 hours before the alert went out and 183 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
- 61 J/kg
- Mixed-layer CIN
- -387 J/kg
- Mixed-layer LCL
- 1555 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
925 WUUS53 KARX 180152 SVRARX WIC011-053-121-180230- /O.NEW.KARX.SV.W.0034.210618T0152Z-210618T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service La Crosse WI 852 PM CDT Thu Jun 17 2021 The National Weather Service in La Crosse has issued a * Severe Thunderstorm Warning for... Northern Buffalo County in west central Wisconsin... Northwestern Jackson County in west central Wisconsin... Northern Trempealeau County in west central Wisconsin... * Until 930 PM CDT. * At 852 PM CDT, severe thunderstorms were located along a line extending from near Mondovi to near Modena, moving east at 40 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Severe thunderstorms will be near... Mondovi around 855 PM CDT. Strum around 920 PM CDT. Independence around 925 PM CDT. Whitehall and Osseo around 930 PM CDT. Other locations impacted by these severe thunderstorms include York, Chimney Rock, Mondovi Airfield, North Branch, County Roads F And K K, The Borst Valley Area and Eleva. This includes Interstate 94 between mile markers 88 and 106. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4459 9093 4425 9102 4437 9196 4460 9187 TIME...MOT...LOC 0152Z 277DEG 33KT 4460 9171 4441 9185 HAIL...0.88IN WIND...60MPH $$ Skow
2 follow-up statements
367 WWUS53 KARX 180214 SVSARX Severe Weather Statement National Weather Service La Crosse WI 914 PM CDT Thu Jun 17 2021 WIC011-053-121-180230- /O.CON.KARX.SV.W.0034.000000T0000Z-210618T0230Z/ Buffalo WI-Jackson WI-Trempealeau WI- 914 PM CDT Thu Jun 17 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR NORTHEASTERN BUFFALO...NORTHWESTERN JACKSON AND NORTHERN TREMPEALEAU COUNTIES... At 913 PM CDT, severe thunderstorms were located along a line extending from near Osseo to Independence, moving east at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Osseo around 920 PM CDT. Blair and Price around 925 PM CDT. Other locations impacted by these severe thunderstorms include Hixton, Gilmanton, Montana, Taylor, York, Chimney Rock and Mondovi Airfield. This includes Interstate 94 between mile markers 88 and 106. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4459 9093 4425 9102 4436 9190 4460 9166 TIME...MOT...LOC 0213Z 276DEG 46KT 4457 9128 4438 9142 HAIL...0.75IN WIND...60MPH $$ JAM
381
WWUS53 KARX 180229
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
929 PM CDT Thu Jun 17 2021
WIC011-053-121-180239-
/O.EXP.KARX.SV.W.0034.000000T0000Z-210618T0230Z/
Buffalo WI-Jackson WI-Trempealeau WI-
929 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BUFFALO...
NORTHWESTERN JACKSON AND NORTHERN TREMPEALEAU COUNTIES WILL EXPIRE AT
930 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small hail
and gusty winds are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
west central Wisconsin.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
La Crosse.
LAT...LON 4459 9093 4425 9102 4436 9190 4460 9166
TIME...MOT...LOC 0229Z 277DEG 33KT 4455 9109 4436 9123
$$
JAMThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 8:27 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 48 min |
| Jun 17, 8:56 PM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 64 min |
| Jun 17, 9:09 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 51 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, 10:22 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 53 min |
| Jun 17, 10:46 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Monroe, Trempealeau | 44 min |
| Jun 17, 11:14 PM CDT | Severe Thunderstorm Warning | ARX | Vernon | 25 min |
| Jun 17, 11:15 PM CDT | Areal Flood Advisory | ARX | Buffalo, La Crosse, Monroe, Trempealeau | 97 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 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.