Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 161, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 25, 2020, 12:32 AM CDT for Chippewa County, Dunn County, Wisconsin. It was in force for 58 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
- Aug 25, 2020, 12:32 AM CDT (05:32 UTC)
- Expired
- Aug 25, 2020, 1:30 AM CDT
- In force
- 58 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 50.0 mph
Counties Chippewa County, WI, Dunn County, WI
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 5.5 hours before the alert went out and 156 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
- 548 J/kg
- Mixed-layer CIN
- -272 J/kg
- Mixed-layer LCL
- 1781 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 291 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.8
The text
As transmitted.
365
WUUS53 KMPX 250532
SVRMPX
WIC017-033-250630-
/O.NEW.KMPX.SV.W.0161.200825T0532Z-200825T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1232 AM CDT Tue Aug 25 2020
The National Weather Service in the Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Dunn County in west central Wisconsin...
Southwestern Chippewa County in west central Wisconsin...
* Until 130 AM CDT.
* At 1231 AM CDT, a severe thunderstorm was located over Colfax, or
10 miles northeast of Menomonie, moving east at 25 mph.
HAZARD...Ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.
* This severe thunderstorm will be near...
Colfax around 1235 AM CDT.
Bloomer around 100 AM CDT.
Chippewa Falls around 110 AM CDT.
Lake Wissota around 120 AM CDT.
Other locations impacted by this severe thunderstorm include Hoffman
Hills Rec Area, Jim Falls, Eagleton, Tainter Lake and Tilden.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4495 9188 4511 9187 4511 9126 4490 9128
TIME...MOT...LOC 0531Z 273DEG 23KT 4502 9177
HAIL...1.50IN
WIND...<50MPH
$$3 follow-up statements
810
WWUS53 KMPX 250547
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1247 AM CDT Tue Aug 25 2020
WIC017-033-250630-
/O.CON.KMPX.SV.W.0161.000000T0000Z-200825T0630Z/
Dunn WI-Chippewa WI-
1247 AM CDT Tue Aug 25 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR NORTHEASTERN DUNN AND SOUTHWESTERN CHIPPEWA COUNTIES...
At 1246 AM CDT, a severe thunderstorm was located near Colfax, or 13
miles northeast of Menomonie, moving east at 25 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
This severe storm will be near...
Lake Hallie around 110 AM CDT.
Chippewa Falls around 115 AM CDT.
Lake Wissota around 125 AM CDT.
Other locations impacted by this severe thunderstorm include Hoffman
Hills Rec Area, Tainter Lake, Tilden and Eagleton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4495 9188 4511 9187 4511 9170 4504 9127
4490 9128
TIME...MOT...LOC 0546Z 284DEG 22KT 4498 9166
HAIL...1.50IN
WIND...60MPH
$$645
WWUS53 KMPX 250602
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
102 AM CDT Tue Aug 25 2020
WIC017-033-250630-
/O.CON.KMPX.SV.W.0161.000000T0000Z-200825T0630Z/
Dunn WI-Chippewa WI-
102 AM CDT Tue Aug 25 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR EAST CENTRAL DUNN AND SOUTHWESTERN CHIPPEWA COUNTIES...
At 102 AM CDT, a severe thunderstorm was located 7 miles northeast of
Elk Mound, or 8 miles northwest of Eau Claire, moving southeast at 20
mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
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...
Lake Hallie around 115 AM CDT.
Chippewa Falls around 120 AM CDT.
Lake Wissota around 130 AM CDT.
Other locations impacted by this severe thunderstorm include Hoffman
Hills Rec Area, Tilden and Tainter Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4495 9185 4509 9184 4506 9171 4500 9127
4490 9128
TIME...MOT...LOC 0602Z 293DEG 19KT 4494 9156
HAIL...1.50IN
WIND...60MPH
$$679
WWUS53 KMPX 250618
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
118 AM CDT Tue Aug 25 2020
WIC017-033-250630-
/O.CON.KMPX.SV.W.0161.000000T0000Z-200825T0630Z/
Dunn WI-Chippewa WI-
118 AM CDT Tue Aug 25 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR EAST CENTRAL DUNN AND SOUTHWESTERN CHIPPEWA COUNTIES...
At 118 AM CDT, a severe thunderstorm was located near Chippewa Falls,
or 7 miles northwest of Eau Claire, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Chippewa Falls and Lake Hallie around 125 AM CDT.
Lake Wissota around 135 AM CDT.
Other locations impacted by this severe thunderstorm include Hoffman
Hills Rec Area, Tilden and Tainter Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4495 9185 4509 9184 4506 9171 4500 9127
4490 9128
TIME...MOT...LOC 0618Z 288DEG 31KT 4495 9151
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 10:55 PM CDT | Special Weather Statement | MPX | Eau Claire | 50 min |
| Aug 24, 11:11 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 49 min |
| Aug 24, 11:59 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 46 min |
| Aug 25, 12:26 AM CDT | Special Weather Statement | MPX | Dunn | 49 min |
| Aug 25, 1:05 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire | 40 min |
| Aug 25, 3:07 AM CDT | Heat Advisory | MPX | Pepin, Pierce | 16 hr |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2020Every severe thunderstorm warning in 2020
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.