Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 46, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 24, 2021, 3:42 PM CDT for Chippewa County, Wisconsin. It was in force for 48 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 24, 2021, 3:42 PM CDT (20:42 UTC)
- Expired
- Jun 24, 2021, 4:30 PM CDT
- In force
- 48 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.5 in
- Wind
- 60.0 mph
County Chippewa County, WI
The radar
The La Crosse radar (KARX), 131 km from the middle of the area, began a volume at 20:46 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
Minneapolis, MN (KMPX), launched 12:00Z, 8.7 hours before the alert went out and 172 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
- 1586 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 1372 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 216 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
024
WUUS53 KMPX 242042
SVRMPX
WIC017-242130-
/O.NEW.KMPX.SV.W.0046.210624T2042Z-210624T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
342 PM CDT Thu Jun 24 2021
The National Weather Service in the Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southwestern Chippewa County in west central Wisconsin...
* Until 430 PM CDT.
* At 341 PM CDT, a severe thunderstorm was located over Bloomer, or
15 miles north of Eau Claire, moving southeast at 20 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
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...
Chippewa Falls around 400 PM CDT.
Other locations in the path of this severe thunderstorm include Lake
Wissota.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4486 9133 4485 9139 4507 9166 4508 9165
4519 9148 4502 9114
TIME...MOT...LOC 2041Z 306DEG 16KT 4508 9146
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
CEO2 follow-up statements
617
WWUS53 KMPX 242051
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
351 PM CDT Thu Jun 24 2021
WIC017-242130-
/O.CON.KMPX.SV.W.0046.000000T0000Z-210624T2130Z/
Chippewa WI-
351 PM CDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHWESTERN CHIPPEWA COUNTY...
At 350 PM CDT, a severe thunderstorm was located near Bloomer, or 13
miles north of Eau Claire, moving southeast at 20 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
This severe storm will be near...
Chippewa Falls around 400 PM CDT.
Other locations in the path of this severe thunderstorm include Lake
Wissota.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4486 9133 4485 9139 4506 9164 4517 9148
4502 9114
TIME...MOT...LOC 2050Z 306DEG 16KT 4506 9141
TORNADO...POSSIBLE
HAIL...2.00IN
WIND...60MPH
$$
CEO072
WWUS53 KMPX 242103
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
403 PM CDT Thu Jun 24 2021
WIC017-242130-
/O.CON.KMPX.SV.W.0046.000000T0000Z-210624T2130Z/
Chippewa WI-
403 PM CDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHWESTERN CHIPPEWA COUNTY...
At 403 PM CDT, a severe thunderstorm was located 6 miles north of
Chippewa Falls, or 12 miles northeast of Eau Claire, moving southeast
at 20 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
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.
Locations impacted include...
Lake Wissota.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4486 9140 4502 9159 4514 9142 4502 9114
4486 9133
TIME...MOT...LOC 2103Z 306DEG 16KT 4503 9134
TORNADO...POSSIBLE
HAIL...2.00IN
WIND...60MPH
$$
CEOThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 3:37 AM CDT | Special Weather Statement | MPX | Barron | 38 min |
| Jun 24, 3:43 AM CDT | Severe Thunderstorm Warning | MPX | Barron | 31 min |
| Jun 24, 4:52 AM CDT | Special Weather Statement | MPX | Rusk | 38 min |
| Jun 24, 2:33 PM CDT | Special Weather Statement | MPX | Chippewa | 42 min |
| Jun 24, 3:04 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn | 41 min |
| Jun 24, 4:20 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire | 27 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.