Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 4, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2020, 8:56 AM CDT for Dunn County, Pepin County, Wisconsin. It was in force for 34 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
- May 25, 2020, 8:56 AM CDT (13:56 UTC)
- Expired
- May 25, 2020, 9:30 AM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Dunn County, WI, Pepin County, WI
The radar
The La Crosse radar (KARX), 114 km from the middle of the area, began a volume at 13:57 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, 1.9 hours before the alert went out and 127 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
- 41 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
706
WUUS53 KMPX 251356
SVRMPX
WIC033-091-251430-
/O.NEW.KMPX.SV.W.0004.200525T1356Z-200525T1430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
856 AM CDT Mon May 25 2020
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
North central Pepin County in west central Wisconsin...
Southwestern Dunn County in west central Wisconsin...
* Until 930 AM CDT.
* At 854 AM CDT, a severe thunderstorm was located over Eau Galle, or
17 miles south of Menomonie, moving northeast at 35 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Durand, Eau Galle, Weston, Arkansaw, Downsville and Porcupine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4479 9180 4460 9198 4458 9203 4454 9204
4457 9213 4459 9214 4468 9214 4486 9205
TIME...MOT...LOC 1354Z 203DEG 30KT 4465 9203
HAIL...1.00IN
WIND...<50MPH
$$
TDH2 follow-up statements
386
WWUS53 KMPX 251414
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
914 AM CDT Mon May 25 2020
WIC091-251423-
/O.CAN.KMPX.SV.W.0004.000000T0000Z-200525T1430Z/
Pepin WI-
914 AM CDT Mon May 25 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PEPIN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4470 9190 4468 9190 4469 9196 4468 9201
4472 9210 4484 9200 4479 9180
TIME...MOT...LOC 1413Z 202DEG 24KT 4479 9195
$$
WIC033-251430-
/O.CON.KMPX.SV.W.0004.000000T0000Z-200525T1430Z/
Dunn WI-
914 AM CDT Mon May 25 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR SOUTH CENTRAL DUNN COUNTY...
At 913 AM CDT, a severe thunderstorm was located 7 miles northeast of
Eau Galle, or 8 miles south of Menomonie, moving northeast at 30 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Eau Galle and Downsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4470 9190 4468 9190 4469 9196 4468 9201
4472 9210 4484 9200 4479 9180
TIME...MOT...LOC 1413Z 202DEG 24KT 4479 9195
HAIL...1.00IN
WIND...<50MPH
$$
TDH385
WWUS53 KMPX 251421
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
921 AM CDT Mon May 25 2020
WIC033-251430-
/O.EXP.KMPX.SV.W.0004.000000T0000Z-200525T1430Z/
Dunn WI-
921 AM CDT Mon May 25 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL DUNN COUNTY WILL
EXPIRE AT 930 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small hail
and heavy rain are still possible with this thunderstorm.
LAT...LON 4470 9190 4468 9190 4469 9196 4468 9201
4472 9210 4484 9200 4479 9180
TIME...MOT...LOC 1420Z 203DEG 30KT 4483 9193
$$
TDHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 8:25 AM CDT | Severe Thunderstorm Warning | MPX | Pepin, Pierce | 35 min |
| May 25, 9:26 AM CDT | Special Weather Statement | MPX | Pepin | 34 min |
| May 25, 9:52 AM CDT | Special Weather Statement | MPX | Eau Claire | 23 min |
| May 25, 10:01 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire | 29 min |
| May 25, 10:30 AM CDT | Special Weather Statement | MPX | Chippewa | 30 min |
| May 25, 11:01 AM CDT | Special Weather Statement | MPX | Rusk | 29 min |
| May 25, 11:32 AM CDT | Special Weather Statement | MPX | Rusk | 28 min |
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; radar from the NEXRAD Level II archive.