Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 4, NWS Twin Cities, MN

April 5, 2021Sherburne County, Stearns County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 5, 2021, 9:16 PM CDT for Sherburne County, Stearns County, Wright County, Minnesota. It was in force for 29 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: Apr 5, 2021, 9:16 PM CDT (02:16 UTC)
Expired: Apr 5, 2021, 9:45 PM CDT
In force: 29 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Sherburne County, MN, Stearns County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 65 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.3 hours before the alert went out and 64 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

106 
WUUS53 KMPX 060216
SVRMPX
MNC141-145-171-060245-
/O.NEW.KMPX.SV.W.0004.210406T0216Z-210406T0245Z/

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

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northwestern Wright County in central Minnesota...
  Sherburne County in central Minnesota...
  Southeastern Stearns County in central Minnesota...

* Until 945 PM CDT.

* At 916 PM CDT, a severe thunderstorm was located over Clearwater, 
  or 15 miles northwest of Buffalo, moving east at 50 mph. Trained 
  Weather Spotters reported 1 inch hail in Fairhaven.

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

  SOURCE...Trained weather spotters.

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

* This severe thunderstorm will be near...
  Clear Lake around 920 PM CDT.
  Monticello and Becker around 925 PM CDT.
  Big Lake around 935 PM CDT.
  Elk River and Zimmerman around 940 PM CDT.
  Princeton around 945 PM CDT.

Other locations impacted by this severe thunderstorm include
Sherburne National Wildlife Refuge, Enfield, Orrock, Hasty and Silver
Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4537 9351 4527 9415 4538 9420 4556 9372
      4555 9351
TIME...MOT...LOC 0216Z 250DEG 42KT 4537 9404 

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

TDH

2 follow-up statements

846 
WWUS53 KMPX 060225
SVSMPX

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

MNC145-060234-
/O.CAN.KMPX.SV.W.0004.000000T0000Z-210406T0245Z/
Stearns MN-
925 PM CDT Mon Apr 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STEARNS 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 4555 9351 4537 9351 4531 9404 4539 9408
      4542 9406 4556 9372
TIME...MOT...LOC 0224Z 250DEG 42KT 4541 9390 

$$

MNC141-171-060245-
/O.CON.KMPX.SV.W.0004.000000T0000Z-210406T0245Z/
Wright MN-Sherburne MN-
925 PM CDT Mon Apr 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTH CENTRAL WRIGHT AND SHERBURNE COUNTIES...

At 924 PM CDT, a severe thunderstorm was located over Becker, or 15
miles north of Buffalo, moving east at 50 mph.

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

SOURCE...Trained weather spotters.

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

This severe storm will be near...
  Big Lake around 935 PM CDT.
  Elk River and Zimmerman around 940 PM CDT.
  Princeton around 950 PM CDT.

Other locations impacted by this severe thunderstorm include
Sherburne National Wildlife Refuge, Enfield, Orrock and Hasty.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4555 9351 4537 9351 4531 9404 4539 9408
      4542 9406 4556 9372
TIME...MOT...LOC 0224Z 250DEG 42KT 4541 9390 

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

TDH

252 
WWUS53 KMPX 060236
SVSMPX

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

MNC141-171-060246-
/O.EXP.KMPX.SV.W.0004.000000T0000Z-210406T0245Z/
Wright MN-Sherburne MN-
936 PM CDT Mon Apr 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL WRIGHT AND
SHERBURNE COUNTIES WILL EXPIRE AT 945 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small hail
is still possible with this thunderstorm.

LAT...LON 4555 9351 4537 9351 4531 9404 4539 9408
      4542 9406 4556 9372
TIME...MOT...LOC 0236Z 250DEG 42KT 4545 9373 

$$

TDH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 7:37 PM CDT	Special Weather Statement	MPX	Renville	38 min
Apr 5, 7:40 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Wright	50 min
Apr 5, 8:19 PM CDT	Special Weather Statement	MPX	Kandiyohi, Meeker	41 min
Apr 5, 8:26 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti, Sherburne, Wright	49 min
Apr 5, 8:59 PM CDT	Special Weather Statement	MPX	Redwood	46 min
Apr 5, 9:00 PM CDT	Special Weather Statement	MPX	Meeker	45 min
Apr 5, 9:10 PM CDT	Special Weather Statement	MPX	Sherburne	35 min
Apr 5, 9:20 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	25 min
Apr 5, 9:30 PM CDT	Special Weather Statement	MPX	Renville	30 min
Apr 5, 9:45 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Wright	45 min
Apr 5, 9:48 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Mille Lacs	31 min
Apr 5, 9:54 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Meeker, Wright	36 min
Apr 5, 10:07 PM CDT	Special Weather Statement	MPX	Kanabec	8 min
Apr 5, 10:10 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec	20 min
Apr 5, 10:27 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, McLeod, Wright	33 min
Apr 5, 10:34 PM CDT	Special Weather Statement	MPX	Kanabec	26 min
Apr 5, 10:37 PM CDT	Special Weather Statement	MPX	Wright	23 min
Apr 5, 10:59 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Wright	46 min
Apr 5, 11:03 PM CDT	Special Weather Statement	MPX	Hennepin, Ramsey, Scott	42 min
Apr 5, 11:36 PM CDT	Special Weather Statement	MPX	Anoka	39 min
Apr 5, 11:45 PM CDT	Special Weather Statement	MPX	Anoka	45 min
Apr 5, 11:49 PM CDT	Special Weather Statement	MPX	Dakota, Washington	41 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.