Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 62, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jul 28, 2021, 10:44 PM CDT for Buffalo 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
- Jul 28, 2021, 10:44 PM CDT (03:44 UTC)
- Expired
- Jul 28, 2021, 11:30 PM CDT
- In force
- 46 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Buffalo County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 73 km from the middle of the area, began a volume at 03:48 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 |
|---|---|---|---|
| Jul 28, 7:17 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.7 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
- 4815 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1185 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 374 m²/s²
- 0-3 km storm-relative helicity
- 461 m²/s²
- Significant tornado parameter
- 8.9
- Supercell composite
- 48.1
The text
As transmitted.
164
WUUS53 KARX 290344
SVRARX
WIC011-121-290430-
/O.NEW.KARX.SV.W.0062.210729T0344Z-210729T0430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
1044 PM CDT Wed Jul 28 2021
The National Weather Service in La Crosse has issued a
* Severe Thunderstorm Warning for...
Northeastern Buffalo County in west central Wisconsin...
Northern Trempealeau County in west central Wisconsin...
* Until 1130 PM CDT.
* At 1044 PM CDT, a severe thunderstorm was located near Mondovi,
moving southeast at 60 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 thunderstorm will be near...
Independence around 1105 PM CDT.
Whitehall around 1110 PM CDT.
Blair around 1115 PM CDT.
Other locations impacted by this severe thunderstorm include
Gilmanton, Waumandee, Montana, Chimney Rock, Mondovi Airfield, Elk
Creek and The Big Swamp Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4460 9136 4436 9116 4427 9117 4427 9173
4460 9197
TIME...MOT...LOC 0344Z 311DEG 53KT 4457 9175
HAIL...1.00IN
WIND...60MPH
$$
Rieck3 follow-up statements
858
WWUS53 KARX 290353
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1053 PM CDT Wed Jul 28 2021
WIC011-121-290430-
/O.CON.KARX.SV.W.0062.000000T0000Z-210729T0430Z/
Buffalo WI-Trempealeau WI-
1053 PM CDT Wed Jul 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR NORTHEASTERN BUFFALO AND NORTHERN TREMPEALEAU COUNTIES...
At 1053 PM CDT, a severe thunderstorm was located 7 miles south of
Mondovi, moving southeast at 60 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Independence around 1105 PM CDT.
Whitehall around 1110 PM CDT.
Blair around 1120 PM CDT.
Other locations impacted by this severe thunderstorm include
Gilmanton, Waumandee, Montana, Chimney Rock, Mondovi Airfield, Elk
Creek and The Big Swamp Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4460 9136 4436 9116 4427 9117 4427 9173
4460 9197
TIME...MOT...LOC 0353Z 315DEG 51KT 4447 9165
HAIL...1.00IN
WIND...60MPH
$$
Rieck001
WWUS53 KARX 290408
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1108 PM CDT Wed Jul 28 2021
WIC011-121-290430-
/O.CON.KARX.SV.W.0062.000000T0000Z-210729T0430Z/
Buffalo WI-Trempealeau WI-
1108 PM CDT Wed Jul 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR NORTHEASTERN BUFFALO AND NORTHERN TREMPEALEAU COUNTIES...
At 1107 PM CDT, a severe thunderstorm was located over Independence,
or near Whitehall, moving southeast at 60 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...
Blair around 1115 PM CDT.
Other locations impacted by this severe thunderstorm include
Gilmanton, Waumandee, Montana, Chimney Rock, Elk Creek, The Borst
Valley Area and Pleasantville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4460 9136 4436 9116 4427 9117 4427 9173
4450 9180
TIME...MOT...LOC 0407Z 311DEG 53KT 4433 9142
HAIL...1.00IN
WIND...60MPH
$$
Rieck687
WWUS53 KARX 290422
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
1122 PM CDT Wed Jul 28 2021
WIC011-121-290430-
/O.CON.KARX.SV.W.0062.000000T0000Z-210729T0430Z/
Buffalo WI-Trempealeau WI-
1122 PM CDT Wed Jul 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR NORTHEASTERN BUFFALO AND CENTRAL TREMPEALEAU COUNTIES...
At 1121 PM CDT, a severe thunderstorm was located near North Bend, or
13 miles southeast of Whitehall, moving southeast at 60 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
northeastern Buffalo and central Trempealeau Counties, including the
following locations... Gilmanton, Waumandee, Montana, Chimney Rock,
Elk Creek, The Borst Valley Area and Pleasantville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4436 9116 4427 9117 4427 9173 4450 9180
4445 9124
TIME...MOT...LOC 0421Z 311DEG 53KT 4419 9119
HAIL...1.00IN
WIND...60MPH
$$
RieckThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 7:09 PM CDT | Special Weather Statement | ARX | Taylor | 51 min |
| Jul 28, 8:19 PM CDT | Severe Thunderstorm Warning | ARX | Taylor | 56 min |
| Jul 28, 9:32 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 43 min |
| Jul 28, 9:48 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Jackson | 57 min |
| Jul 28, 10:45 PM CDT | Special Weather Statement | ARX | Adams, Jackson, Juneau | 60 min |
| Jul 28, 11:19 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, Monroe, Trempealeau | 26 min |
| Jul 28, 11:37 PM CDT | Special Weather Statement | ARX | La Crosse, Monroe | 53 min |
| Jul 28, 11:54 PM CDT | Areal Flood Advisory | ARX | La Crosse | 79 min |
| Jul 29, 12:26 AM CDT | Special Weather Statement | ARX | Crawford, Grant | 94 min |
| Jul 29, 1:39 AM CDT | Special Weather Statement | ARX | Grant | 66 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.