Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 37, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2021, 7:06 PM CDT for Carver County, Scott County, Sibley County, Minnesota. It was in force for 42 min. 4 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 17, 2021, 7:06 PM CDT (00:06 UTC)
- Expired
- Jun 17, 2021, 7:48 PM CDT
- In force
- 42 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Carver County, MN, Scott County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 25 km from the middle of the area, began a volume at 00:07 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, 7:10 PM CDT | HAIL 1 | 2 E Elko New Market, MN | |
| Jun 17, 7:15 PM CDT | HAIL 1 | Belle Plaine, MN | PICTURE ON SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. |
| Jun 17, 7:36 PM CDT | HAIL 0.7 | 5 Wnw Elko New Market, MN | |
| Jun 17, 7:40 PM CDT | HAIL 1 | Elko New Market, 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.1 hours before the alert went out and 25 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.
366
WUUS53 KMPX 180006
SVRMPX
MNC019-139-143-180100-
/O.NEW.KMPX.SV.W.0037.210618T0006Z-210618T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
706 PM CDT Thu Jun 17 2021
The National Weather Service in the Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Sibley County in central Minnesota...
Scott County in east central Minnesota...
South central Carver County in east central Minnesota...
* Until 800 PM CDT.
* At 706 PM CDT, a severe thunderstorm was located near Belle Plaine,
or 31 miles north of Mankato, moving east at 30 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 thunderstorm will be near...
Belle Plaine around 715 PM CDT.
Other locations in the path of this severe thunderstorm include New
Prague, Jordan, Prior Lake, Elko New Market and Lakeville.
This includes Mystic Lake Casino.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4454 9395 4466 9398 4476 9334 4470 9331
4464 9332 4462 9327 4455 9328
TIME...MOT...LOC 0006Z 260DEG 28KT 4461 9387
HAIL...1.50IN
WIND...60MPH
$$
Borghoff3 follow-up statements
171
WWUS53 KMPX 180022
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
722 PM CDT Thu Jun 17 2021
MNC143-180032-
/O.CAN.KMPX.SV.W.0037.000000T0000Z-210618T0100Z/
Sibley MN-
722 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SIBLEY COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
south central, central and east central Minnesota.
LAT...LON 4463 9378 4467 9377 4469 9379 4476 9334
4471 9332 4464 9332 4462 9328 4455 9328
4454 9344 4455 9376
TIME...MOT...LOC 0022Z 268DEG 35KT 4461 9366
$$
MNC019-139-180100-
/O.CON.KMPX.SV.W.0037.000000T0000Z-210618T0100Z/
Scott MN-Carver MN-
722 PM CDT Thu Jun 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SCOTT AND SOUTH CENTRAL CARVER COUNTIES...
At 722 PM CDT, a severe thunderstorm was located near Jordan, or 26
miles northwest of Northfield, moving east at 40 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...
New Prague around 725 PM CDT.
Elko New Market around 745 PM CDT.
Other locations impacted by this severe thunderstorm include
Marystown, Credit River, Mn Valley State Rec Area, St Benedict and
Helena.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 4463 9378 4467 9377 4469 9379 4476 9334
4471 9332 4464 9332 4462 9328 4455 9328
4454 9344 4455 9376
TIME...MOT...LOC 0022Z 268DEG 35KT 4461 9366
HAIL...1.50IN
WIND...60MPH
$$
Borghoff979
WWUS53 KMPX 180033
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
733 PM CDT Thu Jun 17 2021
MNC019-180043-
/O.CAN.KMPX.SV.W.0037.000000T0000Z-210618T0100Z/
Carver MN-
733 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CARVER COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
south central and east central Minnesota.
LAT...LON 4469 9366 4472 9360 4476 9334 4471 9332
4464 9332 4462 9328 4455 9328 4454 9332
4455 9357
TIME...MOT...LOC 0033Z 259DEG 30KT 4470 9357 4457 9349
$$
MNC139-180100-
/O.CON.KMPX.SV.W.0037.000000T0000Z-210618T0100Z/
Scott MN-
733 PM CDT Thu Jun 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHEASTERN SCOTT COUNTY...
At 733 PM CDT, severe thunderstorms were located along a line
extending from near Jordan to near New Prague, moving east at 35 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
These severe storms will be near...
Prior Lake and Elko New Market around 745 PM CDT.
Savage around 750 PM CDT.
Other locations impacted by these severe thunderstorms include Credit
River, Marystown and Helena.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms are producing large hail. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows.
&&
LAT...LON 4469 9366 4472 9360 4476 9334 4471 9332
4464 9332 4462 9328 4455 9328 4454 9332
4455 9357
TIME...MOT...LOC 0033Z 259DEG 30KT 4470 9357 4457 9349
HAIL...1.25IN
WIND...60MPH
$$
Borghoff508
WWUS53 KMPX 180048
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
748 PM CDT Thu Jun 17 2021
MNC139-180058-
/O.CAN.KMPX.SV.W.0037.000000T0000Z-210618T0100Z/
Scott MN-
748 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SCOTT COUNTY IS
CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
south central and east central Minnesota.
LAT...LON 4469 9366 4472 9360 4476 9334 4471 9332
4464 9332 4462 9328 4455 9328 4454 9332
4455 9357
TIME...MOT...LOC 0045Z 260DEG 28KT 4472 9344 4459 9336
$$
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, 7:41 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 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.