Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 30, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2021, 12:07 PM CDT for Dunn County, Pepin County, Pierce County, Wisconsin. It was in force for 38 min. 2 reports 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 11, 2021, 12:07 PM CDT (17:07 UTC)
- Expired
- Jun 11, 2021, 12:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Dunn County, WI, Pepin County, WI, Pierce County, WI
The radar
The Minneapolis radar (KMPX), 116 km from the middle of the area, began a volume at 17:06 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 11, 12:30 PM CDT | TSTM WND DMG | Elmwood, WI | FOURTEEN INCH DIAMETER TREE DOWN OVER HOUSE. REPORT RELAYED BY AMATEUR RADIO OPERATOR. |
| Jun 11, 12:35 PM CDT | TSTM WND DMG | 3 Ese Elmwood, WI | TEN INCH DIAMETER TREES DOWN. REPORT RELAYED BY AMATEUR RADIO OPERATOR. |
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, 5.1 hours before the alert went out and 119 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
- 752 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 1602 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- -40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
383
WUUS53 KMPX 111707
SVRMPX
WIC033-091-093-111745-
/O.NEW.KMPX.SV.W.0030.210611T1707Z-210611T1745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1207 PM CDT Fri Jun 11 2021
The National Weather Service in the Twin Cities has issued a
* Severe Thunderstorm Warning for...
North central Pepin County in west central Wisconsin...
Eastern Pierce County in west central Wisconsin...
Southwestern Dunn County in west central Wisconsin...
* Until 1245 PM CDT.
* At 1207 PM CDT, a severe thunderstorm was located 6 miles northeast
of Bay City, or 11 miles northeast of Red Wing, moving northeast 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...
Plum City around 1220 PM CDT.
Other locations in the path of this severe thunderstorm include
Elmwood and Eau Galle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4459 9203 4457 9228 4473 9246 4489 9207
4474 9180
TIME...MOT...LOC 1707Z 240DEG 31KT 4465 9236
HAIL...1.00IN
WIND...60MPH
$$
ETA2 follow-up statements
435
WWUS53 KMPX 111731
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1231 PM CDT Fri Jun 11 2021
WIC091-111741-
/O.CAN.KMPX.SV.W.0030.000000T0000Z-210611T1745Z/
Pepin WI-
1231 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PEPIN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4468 9199 4468 9217 4480 9229 4489 9207
4478 9187
TIME...MOT...LOC 1731Z 240DEG 31KT 4475 9211
$$
WIC033-093-111745-
/O.CON.KMPX.SV.W.0030.000000T0000Z-210611T1745Z/
Pierce WI-Dunn WI-
1231 PM CDT Fri Jun 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT
FOR NORTHEASTERN PIERCE AND SOUTHWESTERN DUNN COUNTIES...
At 1231 PM CDT, a severe thunderstorm was located over Elmwood, or 14
miles southwest of Menomonie, moving northeast 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.
Locations impacted include...
Eau Galle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4468 9199 4468 9217 4480 9229 4489 9207
4478 9187
TIME...MOT...LOC 1731Z 240DEG 31KT 4475 9211
HAIL...1.00IN
WIND...60MPH
$$
ETA856
WWUS53 KMPX 111740
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1240 PM CDT Fri Jun 11 2021
WIC033-093-111750-
/O.EXP.KMPX.SV.W.0030.000000T0000Z-210611T1745Z/
Pierce WI-Dunn WI-
1240 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PIERCE AND
SOUTHWESTERN DUNN COUNTIES WILL EXPIRE AT 1245 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
the Twin Cities.
LAT...LON 4468 9199 4468 9217 4480 9229 4489 9207
4478 9187
TIME...MOT...LOC 1740Z 240DEG 31KT 4478 9203
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:08 PM CDT | Special Weather Statement | MPX | Chippewa, Rusk | 82 min |
| Jun 11, 11:41 AM CDT | Severe Thunderstorm Warning | MPX | Pierce | 34 min |
| Jun 11, 12:39 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn | 51 min |
| Jun 11, 1:20 PM CDT | Special Weather Statement | MPX | Chippewa | 40 min |
| Jun 11, 1:57 PM CDT | Special Weather Statement | MPX | Chippewa | 33 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.