Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Twin Cities, MN

April 5, 2021Meeker County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 5, 2021, 7:40 PM CDT for Meeker County, Wright County, Minnesota. It was in force for 50 min. 2 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
Apr 5, 2021, 7:40 PM CDT (00:40 UTC)
Expired
Apr 5, 2021, 8:30 PM CDT
In force
50 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Meeker County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 55 km from the middle of the area, began a volume at 00:44 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, 8:00 PM CDTHAIL 1.53 Wsw Maple Lake, MNTWEET WITH PHOTO FROM OFF DUTY NWS METEOROLOGIST.
Apr 5, 8:11 PM CDTHAIL 1.75Maple Lake, MNTRAINED SPOTTER REPORTS GOLF BALL HAIL CTY 5 AND CTY 37 IN MAPLE LAKE AT 2011 UTC.

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, 0.7 hours before the alert went out and 54 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.

950 
WUUS53 KMPX 060040
SVRMPX
MNC093-171-060130-
/O.NEW.KMPX.SV.W.0002.210406T0040Z-210406T0130Z/

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

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northern Wright County in central Minnesota...
  East central Meeker County in central Minnesota...

* Until 830 PM CDT.

* At 740 PM CDT, a severe thunderstorm was located near Dassel, or 17
  miles north of Hutchinson, moving northeast at 35 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...
  Annandale around 755 PM CDT.
  Maple Lake around 805 PM CDT.
  Buffalo around 810 PM CDT.
  Monticello around 820 PM CDT.
  Albertville around 830 PM CDT.

Other locations impacted by this severe thunderstorm include Enfield,
Buffalo Airport, Silver Creek, French Lake, Rassat, Hasty and Smith
Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4534 9387 4521 9364 4504 9426 4514 9439
      4539 9394
TIME...MOT...LOC 0040Z 242DEG 30KT 4513 9425 

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

BPH
3 follow-up statements
493 
WWUS53 KMPX 060057
SVSMPX

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

MNC093-060107-
/O.CAN.KMPX.SV.W.0002.000000T0000Z-210406T0130Z/
Meeker MN-
757 PM CDT Mon Apr 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MEEKER 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 4534 9387 4521 9364 4508 9412 4516 9425
      4522 9425 4539 9394
TIME...MOT...LOC 0057Z 242DEG 30KT 4520 9407 

$$

MNC171-060130-
/O.CON.KMPX.SV.W.0002.000000T0000Z-210406T0130Z/
Wright MN-
757 PM CDT Mon Apr 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHERN WRIGHT COUNTY...

At 757 PM CDT, a severe thunderstorm was located near Maple Lake, or
10 miles west of Buffalo, moving northeast at 35 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...
  Maple Lake around 805 PM CDT.
  Buffalo around 810 PM CDT.
  Monticello around 820 PM CDT.
  Albertville around 830 PM CDT.

Other locations impacted by this severe thunderstorm include Enfield,
Buffalo Airport, Silver Creek, French Lake, Rassat, Hasty and Smith
Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4534 9387 4521 9364 4508 9412 4516 9425
      4522 9425 4539 9394
TIME...MOT...LOC 0057Z 242DEG 30KT 4520 9407 

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

BPH
506 
WWUS53 KMPX 060110
SVSMPX

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

MNC171-060130-
/O.CON.KMPX.SV.W.0002.000000T0000Z-210406T0130Z/
Wright MN-
810 PM CDT Mon Apr 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR CENTRAL WRIGHT COUNTY...

At 809 PM CDT, a severe thunderstorm was located near Maple Lake, or
near Buffalo, moving northeast at 40 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe storm will be near...
  Buffalo around 815 PM CDT.
  Monticello around 825 PM CDT.
  Albertville around 835 PM CDT.
  St. Michael around 840 PM CDT.

Other locations impacted by this severe thunderstorm include Rassat,
Buffalo Airport and Silver Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4509 9407 4515 9416 4537 9391 4534 9387
      4521 9364
TIME...MOT...LOC 0109Z 247DEG 33KT 4518 9398 

HAIL...1.00IN
WIND...<50MPH
 
$$

BPH
909 
WWUS53 KMPX 060127
SVSMPX

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

MNC171-060137-
/O.EXP.KMPX.SV.W.0002.000000T0000Z-210406T0130Z/
Wright MN-
827 PM CDT Mon Apr 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WRIGHT COUNTY WILL
EXPIRE AT 830 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However small hail is still possible with this
thunderstorm.

LAT...LON 4509 9407 4515 9416 4537 9391 4534 9387
      4521 9364
TIME...MOT...LOC 0127Z 242DEG 30KT 4525 9381 

$$

BPH

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, 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, 9:20 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker25 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.