Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 47, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 24, 2021, 4:20 PM CDT for Chippewa County, Eau Claire County, Wisconsin. It was in force for 27 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 24, 2021, 4:20 PM CDT (21:20 UTC)
- Expired
- Jun 24, 2021, 4:47 PM CDT
- In force
- 27 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Chippewa County, WI, Eau Claire County, WI
The radar
The La Crosse radar (KARX), 123 km from the middle of the area, began a volume at 21:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 24, 4:33 PM CDT | TORNADO | 1 S Stanley, WI | BRIEF TOUCHDOWN. UNKNOWN IF IT HIT ANYTHING. VIDEO PROVIDED BY TWO SEPARATE SOURCES INCLUDING A STORM CHASER. VIDEO SHOWED IT BEING ON THE CHIPPEWA COUNTY SIDE OF THE COUNTY LINE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.3 hours before the alert went out and 193 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.
227
WUUS53 KMPX 242120
SVRMPX
WIC017-035-242200-
/O.NEW.KMPX.SV.W.0047.210624T2120Z-210624T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
420 PM CDT Thu Jun 24 2021
The National Weather Service in the Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southeastern Chippewa County in west central Wisconsin...
Northeastern Eau Claire County in west central Wisconsin...
* Until 500 PM CDT.
* At 419 PM CDT, a severe thunderstorm was located over Cadott, or 18
miles northeast of Eau Claire, moving southeast at 35 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...
Boyd around 425 PM CDT.
Stanley around 430 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4493 9139 4511 9117 4502 9092 4467 9092
TIME...MOT...LOC 2119Z 302DEG 32KT 4497 9111
HAIL...1.00IN
WIND...60MPH
$$
CEO2 follow-up statements
321
WWUS53 KMPX 242142
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
442 PM CDT Thu Jun 24 2021
WIC017-035-242200-
/O.CON.KMPX.SV.W.0047.000000T0000Z-210624T2200Z/
Chippewa WI-Eau Claire WI-
442 PM CDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTHEASTERN CHIPPEWA AND NORTHEASTERN EAU CLAIRE COUNTIES...
At 441 PM CDT, a severe thunderstorm was located 7 miles southwest of
Thorp, or 24 miles northwest of Neillsville, moving southeast at 35
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
southeastern Chippewa and northeastern Eau Claire Counties, including
the following locations... Ludington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4481 9117 4490 9102 4490 9092 4467 9092
TIME...MOT...LOC 2141Z 302DEG 32KT 4486 9087
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
CEO654
WWUS53 KMPX 242147
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
447 PM CDT Thu Jun 24 2021
WIC017-035-242156-
/O.CAN.KMPX.SV.W.0047.000000T0000Z-210624T2200Z/
Chippewa WI-Eau Claire WI-
447 PM CDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHIPPEWA AND
NORTHEASTERN EAU CLAIRE COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 4481 9117 4490 9102 4490 9092 4467 9092
TIME...MOT...LOC 2146Z 302DEG 32KT 4483 9081
$$
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, 3:42 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 48 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.