Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 157, NWS Twin Cities, MN

August 24, 2020Kandiyohi County, Meeker County, Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 24, 2020, 3:13 AM CDT for Kandiyohi County, Meeker County, Renville County, Minnesota. It was in force for 62 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
Aug 24, 2020, 3:13 AM CDT (08:13 UTC)
Expired
Aug 24, 2020, 4:15 AM CDT
In force
62 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Kandiyohi County, MN, Meeker County, MN, Renville County, MN

The radar

The Minneapolis radar (KMPX), 112 km from the middle of the area, began a volume at 08:12 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 00:00Z, 8.2 hours before the alert went out and 110 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2020-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 669 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2020-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
669 J/kg
Mixed-layer CIN
-226 J/kg
Mixed-layer LCL
1807 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

831 
WUUS53 KMPX 240813
SVRMPX
MNC067-093-129-240915-
/O.NEW.KMPX.SV.W.0157.200824T0813Z-200824T0915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
313 AM CDT Mon Aug 24 2020

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Western Meeker County in central Minnesota...
  Northeastern Renville County in central Minnesota...
  Kandiyohi County in central Minnesota...

* Until 415 AM CDT.

* At 313 AM CDT, severe thunderstorms were located along a line
  extending from 6 miles southwest of Belgrade to 7 miles northwest
  of Willmar to near Raymond to 9 miles north of Maynard, moving
  southeast at 45 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Law enforcement.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Severe thunderstorms will be near...
  Willmar around 320 AM CDT.
  New London and Spicer around 330 AM CDT.
  Prinsburg around 335 AM CDT.
  Atwater and Grove City around 345 AM CDT.
  Cosmos around 350 AM CDT.
  Litchfield, Olivia and Hector around 355 AM CDT.
  Bird Island and Buffalo Lake around 400 AM CDT.

Other locations impacted by these severe thunderstorms include 
Kandiyohi, Strout, Thorpe, Corvuso, Blomkest, Lake Lillian, 
Greenleaf, Green Lake and Danube.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4508 9513 4541 9513 4541 9506 4521 9449
      4471 9450 4471 9500 4489 9525
TIME...MOT...LOC 0813Z 302DEG 41KT 4538 9510 4518 9517 4505 9525 4503
9553

HAIL...1.00IN
WIND...70MPH
 
$$
4 follow-up statements
748 
WWUS53 KMPX 240841
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
341 AM CDT Mon Aug 24 2020

MNC067-093-129-240915-
/O.CON.KMPX.SV.W.0157.000000T0000Z-200824T0915Z/
Meeker MN-Renville MN-Kandiyohi MN-
341 AM CDT Mon Aug 24 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM CDT
FOR WESTERN MEEKER...NORTHEASTERN RENVILLE AND EASTERN KANDIYOHI
COUNTIES...

At 340 AM CDT, severe thunderstorms were located along a line
extending from 6 miles northwest of Grove City to 7 miles south of
Atwater to 7 miles west of Cosmos to near Prinsburg, moving southeast
at 50 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Law enforcement. At 315 AM, 61 mph winds were reported at 
         Willmar.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

These severe storms will be near...
  Grove City and Cosmos around 350 AM CDT.
  Olivia around 355 AM CDT.
  Litchfield, Bird Island and Buffalo Lake around 400 AM CDT.
  Hector around 410 AM CDT.

Other locations impacted by these severe thunderstorms include 
Kandiyohi, Strout, Thorpe, Corvuso, Blomkest, Lake Lillian, 
Greenleaf, Green Lake and Danube.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4511 9508 4535 9502 4521 9449 4471 9450
      4471 9500 4484 9518
TIME...MOT...LOC 0840Z 299DEG 42KT 4523 9476 4503 9483 4491 9485 4488
9519

HAIL...1.00IN
WIND...60MPH
 
$$
078 
WWUS53 KMPX 240853
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
353 AM CDT Mon Aug 24 2020

MNC067-093-129-240915-
/O.CON.KMPX.SV.W.0157.000000T0000Z-200824T0915Z/
Meeker MN-Renville MN-Kandiyohi MN-
353 AM CDT Mon Aug 24 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM CDT
FOR WESTERN MEEKER...NORTHEASTERN RENVILLE AND SOUTHEASTERN KANDIYOHI
COUNTIES...

At 353 AM CDT, severe thunderstorms were located along a line
extending from near Litchfield to near Cosmos to 6 miles north of
Hector to near Olivia, moving southeast at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Law enforcement.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

These severe storms will be near...
  Buffalo Lake around 400 AM CDT.

Other locations impacted by these severe thunderstorms include 
Greenleaf, Lakeside, Strout, Thorpe, Corvuso, Cedar Mills and Lake 
Lillian.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4505 9490 4530 9481 4521 9449 4471 9450
      4481 9491 4483 9495
TIME...MOT...LOC 0853Z 302DEG 41KT 4516 9459 4496 9466 4484 9468 4481
9502

HAIL...1.00IN
WIND...60MPH
 
$$
237 
WWUS53 KMPX 240904
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
404 AM CDT Mon Aug 24 2020

MNC067-240913-
/O.CAN.KMPX.SV.W.0157.000000T0000Z-200824T0915Z/
Kandiyohi MN-
404 AM CDT Mon Aug 24 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KANDIYOHI COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4490 9470 4519 9474 4515 9449 4471 9450
      4477 9463
TIME...MOT...LOC 0903Z 302DEG 41KT 4510 9446 4490 9453 4478 9455 4475
9489

$$

MNC093-129-240915-
/O.CON.KMPX.SV.W.0157.000000T0000Z-200824T0915Z/
Meeker MN-Renville MN-
404 AM CDT Mon Aug 24 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM CDT
FOR SOUTHWESTERN MEEKER AND NORTHEASTERN RENVILLE COUNTIES...

At 403 AM CDT, severe thunderstorms were located along a line
extending from near Litchfield to 7 miles west of Hutchinson to near
Buffalo Lake to Bird Island, moving southeast at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Law enforcement.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

These severe thunderstorms will remain over mainly rural areas of
southwestern Meeker and northeastern Renville Counties, including the
following locations... Corvuso, Greenleaf, Cedar Mills, Litchfield
Airport, Lakeside and Strout.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4490 9470 4519 9474 4515 9449 4471 9450
      4477 9463
TIME...MOT...LOC 0903Z 302DEG 41KT 4510 9446 4490 9453 4478 9455 4475
9489

HAIL...1.00IN
WIND...60MPH
 
$$
787 
WWUS53 KMPX 240911
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
411 AM CDT Mon Aug 24 2020

MNC093-129-240920-
/O.EXP.KMPX.SV.W.0157.000000T0000Z-200824T0915Z/
Meeker MN-Renville MN-
411 AM CDT Mon Aug 24 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MEEKER AND
NORTHEASTERN RENVILLE COUNTIES WILL EXPIRE AT 415 AM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

Remember, a Severe Thunderstorm Warning still remains in effect for 
southeast Meeker county until 430 am.

LAT...LON 4490 9470 4519 9474 4515 9449 4471 9450
      4477 9463
TIME...MOT...LOC 0910Z 302DEG 41KT 4507 9438 4487 9446 4475 9448 4472
9482

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 24, 1:39 AM CDTSpecial Weather StatementMPXStevens66 min
Aug 24, 1:58 AM CDTSevere Thunderstorm WarningMPXStevens46 min
Aug 24, 2:21 AM CDTSevere Thunderstorm WarningMPXSwift43 min
Aug 24, 2:30 AM CDTSevere Thunderstorm WarningMPXPope, Stevens, Swift35 min
Aug 24, 2:41 AM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Pope, Swift49 min
Aug 24, 3:40 AM CDTHeat AdvisoryMPXAnoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 20 more16 hr
Aug 24, 3:52 AM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker, Wright38 min
Aug 24, 5:31 AM CDTSpecial Weather StatementMPXSwift44 min
Aug 24, 6:10 AM CDTSpecial Weather StatementMPXChippewa50 min
Aug 24, 6:43 AM CDTSpecial Weather StatementMPXRenville47 min
Aug 24, 7:30 AM CDTSpecial Weather StatementMPXNicollet, Sibley60 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.