Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 41, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2021, 8:00 PM CDT for Dakota County, Goodhue County, Minnesota. It was in force for 45 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 17, 2021, 8:00 PM CDT (01:00 UTC)
- Expired
- Jun 17, 2021, 8:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Dakota County, MN, Goodhue County, MN
The radar
The Minneapolis radar (KMPX), 69 km from the middle of the area, began a volume at 01:01 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 17, 8:08 PM CDT | HAIL 1.75 | 3 S Randolph, MN | PICTURE ON SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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, 1.0 hours before the alert went out and 71 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.
625
WUUS53 KMPX 180100
SVRMPX
MNC037-049-180145-
/O.NEW.KMPX.SV.W.0041.210618T0100Z-210618T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
800 PM CDT Thu Jun 17 2021
The National Weather Service in the Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southeastern Dakota County in east central Minnesota...
Northwestern Goodhue County in southeastern Minnesota...
* Until 845 PM CDT.
* At 800 PM CDT, a severe thunderstorm was located near Stanton, or 6
miles northeast of Northfield, moving east at 45 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...
Cannon Falls around 810 PM CDT.
Other locations in the path of this severe thunderstorm include Welch
and Red Wing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4446 9304 4447 9305 4447 9316 4456 9316
4462 9262 4460 9258 4461 9257 4460 9256
4457 9255 4447 9256 4445 9297
TIME...MOT...LOC 0100Z 269DEG 40KT 4451 9307
HAIL...1.00IN
WIND...60MPH
$$
Borghoff1 follow-up statement
554
WWUS53 KMPX 180124
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
824 PM CDT Thu Jun 17 2021
MNC037-180133-
/O.CAN.KMPX.SV.W.0041.000000T0000Z-210618T0145Z/
Dakota MN-
824 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DAKOTA COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
southeastern Minnesota...and west central Wisconsin.
LAT...LON 4446 9278 4458 9277 4460 9256 4457 9255
4447 9256
TIME...MOT...LOC 0123Z 269DEG 41KT 4450 9268
$$
MNC049-180145-
/O.CON.KMPX.SV.W.0041.000000T0000Z-210618T0145Z/
Goodhue MN-
824 PM CDT Thu Jun 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR CENTRAL GOODHUE COUNTY...
At 823 PM CDT, a severe thunderstorm was located near Welch, or 7
miles southwest of Red Wing, moving east at 45 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.
Locations impacted include...
Red Wing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 4446 9278 4458 9277 4460 9256 4457 9255
4447 9256
TIME...MOT...LOC 0123Z 269DEG 41KT 4450 9268
HAIL...1.50IN
WIND...60MPH
$$
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, 8:28 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 34 min |
| Jun 18, 3:21 AM CDT | Red Flag Warning | MPX | Anoka, Benton, Carver, Chippewa, Chisago, Douglas and 20 more | 16 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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.