Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 42, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2021, 8:28 PM CDT for Goodhue County, Minnesota; 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
- Jun 17, 2021, 8:28 PM CDT (01:28 UTC)
- Expired
- Jun 17, 2021, 9:02 PM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Goodhue County, MN, Pepin County, WI
The radar
The Minneapolis radar (KMPX), 102 km from the middle of the area, began a volume at 01:28 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 17, 7:22 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.5 hours before the alert went out and 105 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
- 61 J/kg
- Mixed-layer CIN
- -387 J/kg
- Mixed-layer LCL
- 1555 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
267
WUUS53 KMPX 180128
SVRMPX
MNC049-WIC091-180215-
/O.NEW.KMPX.SV.W.0042.210618T0128Z-210618T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
828 PM CDT Thu Jun 17 2021
The National Weather Service in the Twin Cities has issued a
* Severe Thunderstorm Warning for...
Central Goodhue County in southeastern Minnesota...
Southwestern Pepin County in west central Wisconsin...
* Until 915 PM CDT.
* At 828 PM CDT, a severe thunderstorm was located near Goodhue, or 7
miles southwest of Red Wing, moving east at 50 mph.
HAZARD...Golf 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 thunderstorm will be near...
Frontenac around 845 PM CDT.
Stockholm around 850 PM CDT.
Pepin around 855 PM CDT.
Other locations impacted by this severe thunderstorm include
Frontenac State Park, Bellechester, Central Point, Ella and Wacouta.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
&&
LAT...LON 4436 9277 4456 9267 4456 9242 4454 9232
4454 9214 4456 9213 4456 9204 4441 9209
4445 9224 4445 9243 4437 9244 4437 9254
4435 9255
TIME...MOT...LOC 0128Z 272DEG 43KT 4446 9262
HAIL...1.75IN
WIND...60MPH
$$
Borghoff2 follow-up statements
989
WWUS53 KMPX 180142
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
842 PM CDT Thu Jun 17 2021
MNC049-WIC091-180215-
/O.CON.KMPX.SV.W.0042.000000T0000Z-210618T0215Z/
Goodhue MN-Pepin WI-
842 PM CDT Thu Jun 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR CENTRAL GOODHUE AND SOUTHWESTERN PEPIN COUNTIES...
At 842 PM CDT, severe thunderstorms were located along a line
extending from 5 miles southwest of Welch to 7 miles east of Goodhue,
moving east at 50 mph.
HAZARD...Ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles.
These severe storms will be near...
Frontenac around 905 PM CDT.
Stockholm around 910 PM CDT.
Pepin around 920 PM CDT.
Other locations impacted by these severe thunderstorms include
Frontenac State Park, Bellechester, Central Point and Ella.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms are producing large hail. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows.
&&
LAT...LON 4456 9267 4454 9248 4454 9214 4456 9213
4456 9204 4441 9209 4445 9224 4445 9243
4437 9244 4437 9254 4435 9255 4439 9276
TIME...MOT...LOC 0142Z 280DEG 44KT 4449 9275 4441 9246
HAIL...1.50IN
WIND...<50MPH
$$
Borghoff971
WWUS53 KMPX 180202
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
902 PM CDT Thu Jun 17 2021
MNC049-WIC091-180209-
/O.CAN.KMPX.SV.W.0042.000000T0000Z-210618T0215Z/
Goodhue MN-Pepin WI-
902 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL GOODHUE AND
SOUTHWESTERN PEPIN COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
southeastern Minnesota...and west central Wisconsin.
LAT...LON 4456 9267 4454 9248 4454 9214 4456 9213
4456 9204 4441 9209 4445 9224 4445 9243
4437 9244 4437 9254 4435 9255 4439 9276
TIME...MOT...LOC 0158Z 272DEG 43KT 4448 9248 4440 9219
$$
BorghoffThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:02 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice | 58 min |
| Jun 17, 7:06 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Scott, Sibley | 42 min |
| Jun 17, 7:41 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 26 min |
| Jun 17, 7:44 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 32 min |
| Jun 17, 7:50 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 55 min |
| Jun 17, 8:00 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 45 min |
| Jun 18, 3:21 AM CDT | Red Flag Warning | MPX | Anoka, Benton, Carver, Chippewa, Chisago, Douglas and 20 more | 16 hr |
| Jun 17, 8:34 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Eau Claire, Pepin | 56 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2021Severe 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.