Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 5, NWS Twin Cities, MN

April 5, 2021Kandiyohi County, Meeker County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 5, 2021, 9:20 PM CDT for Kandiyohi County, Meeker County, Minnesota. It was in force for 25 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
Apr 5, 2021, 9:20 PM CDT (02:20 UTC)
Expired
Apr 5, 2021, 9:45 PM CDT
In force
25 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Kandiyohi County, MN, Meeker County, MN

The radar

The Minneapolis radar (KMPX), 79 km from the middle of the area, began a volume at 02:20 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

TimeReportWhereRemark
Apr 5, 9:53 PM CDTHAIL 14 Sse Litchfield, MNPHONED IN REPORT.

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, 2.3 hours before the alert went out and 77 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 2021-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1134 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2021-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
1134 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
2481 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
256 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

923 
WUUS53 KMPX 060220
SVRMPX
MNC067-093-060245-
/O.NEW.KMPX.SV.W.0005.210406T0220Z-210406T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
920 PM CDT Mon Apr 5 2021

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Central Meeker County in central Minnesota...
  East central Kandiyohi County in central Minnesota...

* Until 945 PM CDT.

* At 919 PM CDT, a severe thunderstorm was located over Grove City,
  or 15 miles east of Willmar, moving east at 40 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...
  Litchfield around 935 PM CDT.
  Dassel around 945 PM CDT.

Other locations impacted by this severe thunderstorm include Forest
City, Litchfield Airport and Darwin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4528 9438 4528 9432 4508 9425 4507 9426
      4504 9482 4513 9485 4531 9439
TIME...MOT...LOC 0219Z 252DEG 36KT 4512 9472 

HAIL...1.00IN
WIND...60MPH
 
$$

TDH
2 follow-up statements
237 
WWUS53 KMPX 060234
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
934 PM CDT Mon Apr 5 2021

MNC067-060243-
/O.CAN.KMPX.SV.W.0005.000000T0000Z-210406T0245Z/
Kandiyohi MN-
934 PM CDT Mon Apr 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL KANDIYOHI 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 4528 9432 4508 9425 4507 9426 4508 9470
      4513 9472 4522 9453
TIME...MOT...LOC 0233Z 252DEG 36KT 4517 9452 

$$

MNC093-060245-
/O.CON.KMPX.SV.W.0005.000000T0000Z-210406T0245Z/
Meeker MN-
934 PM CDT Mon Apr 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR CENTRAL MEEKER COUNTY...

At 933 PM CDT, a severe thunderstorm was located over Litchfield, or
20 miles north of Hutchinson, moving east at 40 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 storm will be near...
  Dassel around 945 PM CDT.

Other locations impacted by this severe thunderstorm include Forest
City, Litchfield Airport and Darwin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4528 9432 4508 9425 4507 9426 4508 9470
      4513 9472 4522 9453
TIME...MOT...LOC 0233Z 252DEG 36KT 4517 9452 

HAIL...1.00IN
WIND...60MPH
 
$$

TDH
669 
WWUS53 KMPX 060243
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
943 PM CDT Mon Apr 5 2021

MNC093-060253-
/O.EXP.KMPX.SV.W.0005.000000T0000Z-210406T0245Z/
Meeker MN-
943 PM CDT Mon Apr 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MEEKER COUNTY WILL
EXPIRE AT 945 PM CDT...
    
The severe thunderstorm which prompted the warning has remains 
strong and a new warning will be issued.
LAT...LON 4528 9432 4508 9425 4507 9426 4508 9470
      4513 9472 4522 9453
TIME...MOT...LOC 0243Z 252DEG 36KT 4519 9445 

$$

TDH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 7:37 PM CDTSpecial Weather StatementMPXRenville38 min
Apr 5, 7:40 PM CDTSevere Thunderstorm WarningMPXMeeker, Wright50 min
Apr 5, 8:19 PM CDTSpecial Weather StatementMPXKandiyohi, Meeker41 min
Apr 5, 8:26 PM CDTSevere Thunderstorm WarningMPXAnoka, Isanti, Sherburne, Wright49 min
Apr 5, 8:59 PM CDTSpecial Weather StatementMPXRedwood46 min
Apr 5, 9:00 PM CDTSpecial Weather StatementMPXMeeker45 min
Apr 5, 9:10 PM CDTSpecial Weather StatementMPXSherburne35 min
Apr 5, 9:16 PM CDTSevere Thunderstorm WarningMPXSherburne, Stearns, Wright29 min
Apr 5, 9:30 PM CDTSpecial Weather StatementMPXRenville30 min
Apr 5, 9:45 PM CDTSevere Thunderstorm WarningMPXMeeker, Wright45 min
Apr 5, 9:48 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs31 min
Apr 5, 9:54 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Meeker, Wright36 min
Apr 5, 10:07 PM CDTSpecial Weather StatementMPXKanabec8 min
Apr 5, 10:10 PM CDTSevere Thunderstorm WarningMPXKanabec20 min
Apr 5, 10:27 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, McLeod, Wright33 min
Apr 5, 10:34 PM CDTSpecial Weather StatementMPXKanabec26 min
Apr 5, 10:37 PM CDTSpecial Weather StatementMPXWright23 min
Apr 5, 10:59 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Wright46 min
Apr 5, 11:03 PM CDTSpecial Weather StatementMPXHennepin, Ramsey, Scott42 min
Apr 5, 11:36 PM CDTSpecial Weather StatementMPXAnoka39 min
Apr 5, 11:45 PM CDTSpecial Weather StatementMPXAnoka45 min
Apr 5, 11:49 PM CDTSpecial Weather StatementMPXDakota, Washington41 min

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.