Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 55, NWS Twin Cities, MN

July 28, 2021Stearns County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 28, 2021, 4:54 AM CDT for Stearns County, Todd County, Minnesota. It was in force for 36 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: Jul 28, 2021, 4:54 AM CDT (09:54 UTC)
Expired: Jul 28, 2021, 5:30 AM CDT
In force: 36 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Stearns County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 135 km from the middle of the area, began a volume at 09:57 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
Jul 28, 5:10 AM CDT	TSTM WND DMG	Sauk Centre, MN	NUMEROUS TREES UPROOTED AND A FEW SNAPPED.
Jul 28, 5:15 AM CDT	TSTM WND GST 68	2 Se Sauk Centre, MN	MESONET STATION MN016 SAUK CENTRE 2SE.

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, 9.9 hours before the alert went out and 133 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: 4029 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1142 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

As transmitted.

421 
WUUS53 KMPX 280954
SVRMPX
MNC145-153-281030-
/O.NEW.KMPX.SV.W.0055.210728T0954Z-210728T1030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
454 AM CDT Wed Jul 28 2021

The National Weather Service in the Twin Cities has issued a

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

* Until 530 AM CDT.

* At 453 AM CDT, a severe thunderstorm was located near Sauk Centre,
  or 22 miles east of Alexandria, moving southeast at 45 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  Grey Eagle around 500 AM CDT.
  Melrose around 505 AM CDT.

Other locations in the path of this severe thunderstorm include St.
Anthony, Freeport, Albany and Avon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4580 9464 4577 9464 4578 9459 4566 9430
      4540 9473 4588 9511 4594 9501
TIME...MOT...LOC 0953Z 314DEG 38KT 4581 9492 

HAIL...1.25IN
WIND...60MPH
 
$$

TDH

3 follow-up statements

606 
WWUS53 KMPX 281007
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
507 AM CDT Wed Jul 28 2021

MNC145-153-281030-
/O.CON.KMPX.SV.W.0055.000000T0000Z-210728T1030Z/
Todd MN-Stearns MN-
507 AM CDT Wed Jul 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 AM CDT
FOR SOUTHEASTERN TODD AND NORTHERN STEARNS COUNTIES...

At 506 AM CDT, a severe thunderstorm was located near Sauk Centre, or
25 miles southeast of Alexandria, moving southeast at 30 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
  Melrose, St. Anthony, Freeport and Albany.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4580 9464 4577 9464 4578 9459 4566 9430
      4540 9473 4579 9504 4588 9485
TIME...MOT...LOC 1006Z 319DEG 26KT 4575 9488 

HAIL...1.25IN
WIND...60MPH
 
$$

TDH

548 
WWUS53 KMPX 281022
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
522 AM CDT Wed Jul 28 2021

MNC145-153-281030-
/O.CON.KMPX.SV.W.0055.000000T0000Z-210728T1030Z/
Todd MN-Stearns MN-
522 AM CDT Wed Jul 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 AM CDT
FOR SOUTH CENTRAL TODD AND NORTHWESTERN STEARNS COUNTIES...

At 522 AM CDT, a severe thunderstorm was located over Freeport, or 24
miles west of St. Cloud, moving southeast at 45 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Sauk Centre, Melrose, Albany, Avon, Freeport, Farming, New Munich,
Greenwald, Meire Grove, Spring Hill, St. Rosa and Pleasant Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4579 9471 4577 9464 4572 9454 4563 9441
      4543 9476 4574 9500 4581 9481
TIME...MOT...LOC 1022Z 314DEG 38KT 4563 9470 

HAIL...1.25IN
WIND...60MPH
 
$$

TDH

805 
WWUS53 KMPX 281030
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
530 AM CDT Wed Jul 28 2021

MNC145-153-281039-
/O.EXP.KMPX.SV.W.0055.000000T0000Z-210728T1030Z/
Todd MN-Stearns MN-
530 AM CDT Wed Jul 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL TODD AND
NORTHWESTERN STEARNS COUNTIES WILL EXPIRE AT 530 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

Remember, a Severe Thunderstorm Warning still remains in effect for
Stearns, Meeker, and Kandiyohi Counties until 615 AM.

LAT...LON 4579 9471 4577 9464 4572 9454 4563 9441
      4543 9476 4574 9500 4581 9481
TIME...MOT...LOC 1029Z 314DEG 38KT 4559 9465 

$$

TDH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 4:13 AM CDT	Special Weather Statement	MPX	Pope, Stevens	32 min
Jul 28, 4:19 AM CDT	Special Weather Statement	MPX	Todd	26 min
Jul 28, 4:45 AM CDT	Special Weather Statement	MPX	Stearns	30 min
Jul 28, 4:46 AM CDT	Special Weather Statement	MPX	Chippewa, Pope, Stevens, Swift	44 min
Jul 28, 4:53 AM CDT	Severe Thunderstorm Warning	MPX	Pope, Stevens	28 min
Jul 28, 5:29 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Stearns	46 min
Jul 28, 6:17 AM CDT	Special Weather Statement	MPX	Meeker	28 min
Jul 28, 6:45 AM CDT	Special Weather Statement	MPX	Carver, Wright	30 min
Jul 28, 7:19 AM CDT	Special Weather Statement	MPX	Carver, Le Sueur, Nicollet	41 min
Jul 28, 11:43 AM CDT	Special Weather Statement	MPX	Chisago	32 min
Jul 28, 11:59 AM CDT	Severe Thunderstorm Warning	MPX	Chisago, Washington	31 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.