Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 24, NWS Twin Cities, MN

June 9, 2021Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 9, 2021, 6:26 PM CDT for Todd County, Minnesota. It was in force for 19 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: Jun 9, 2021, 6:26 PM CDT (23:26 UTC)
Expired: Jun 9, 2021, 6:45 PM CDT
In force: 19 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Todd County, MN

The radar

The Minneapolis radar (KMPX), 192 km from the middle of the area, began a volume at 23:26 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 9, 6:35 PM CDT	HAIL 0.25	Hewitt, MN

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 12:00Z, 11.4 hours before the alert went out and 190 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: 417 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1661 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

031 
WUUS53 KMPX 092326
SVRMPX
MNC153-092345-
/O.NEW.KMPX.SV.W.0024.210609T2326Z-210609T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
626 PM CDT Wed Jun 9 2021

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northern Todd County in central Minnesota...

* Until 645 PM CDT.

* At 626 PM CDT, a severe thunderstorm was located over Hewitt, or 31
  miles northeast of Alexandria, moving northeast 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...
  Staples and Staples Airport around 645 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4637 9474 4635 9470 4635 9468 4636 9467
      4635 9466 4618 9513 4622 9515 4637 9515
TIME...MOT...LOC 2326Z 235DEG 34KT 4631 9504 

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

Dye

1 follow-up statement

611 
WWUS53 KMPX 092341
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
641 PM CDT Wed Jun 9 2021

MNC153-092350-
/O.EXP.KMPX.SV.W.0024.000000T0000Z-210609T2345Z/
Todd MN-
641 PM CDT Wed Jun 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN TODD COUNTY WILL
EXPIRE AT 645 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.

LAT...LON 4637 9474 4635 9470 4635 9468 4636 9467
      4635 9466 4618 9513 4622 9515 4637 9515
TIME...MOT...LOC 2340Z 235DEG 34KT 4639 9488 

$$

Dye

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 11:04 PM CDT	Special Weather Statement	MPX	Anoka	26 min
Jun 9, 4:30 PM CDT	Special Weather Statement	MPX	Stearns	15 min
Jun 9, 4:39 PM CDT	Special Weather Statement	MPX	Stearns	21 min
Jun 9, 5:20 PM CDT	Special Weather Statement	MPX	Morrison	40 min
Jun 9, 6:10 PM CDT	Special Weather Statement	MPX	Ramsey	35 min
Jun 9, 6:14 PM CDT	Special Weather Statement	MPX	Anoka	31 min
Jun 9, 6:22 PM CDT	Special Weather Statement	MPX	Dakota	23 min
Jun 9, 6:48 PM CDT	Special Weather Statement	MPX	Ramsey	42 min
Jun 9, 6:56 PM CDT	Special Weather Statement	MPX	Benton	34 min
Jun 9, 6:58 PM CDT	Special Weather Statement	MPX	Dakota	17 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.