Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 12, NWS Twin Cities, MN

June 2, 20204 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 2, 2020, 6:18 PM CDT for 4 counties in Minnesota. It was in force for 42 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 2, 2020, 6:18 PM CDT (23:18 UTC)
Expired: Jun 2, 2020, 7:00 PM CDT
In force: 42 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 2.5 in
Wind: 60.0 mph

Counties Faribault County, MN, Freeborn County, MN, Steele County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 117 km from the middle of the area, began a volume at 23:17 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 2, 6:30 PM CDT	TSTM WND DMG	Hollandale, MN	DAMAGE TO SIDE AND ROOF OF HOME. REPORTED VIA TWITTER. PHOTOS INCLUDED. TIME ESTIMATED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 2, 4:39 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.3 hours before the alert went out and 117 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: 55 J/kg
Mixed-layer CIN: -557 J/kg
Mixed-layer LCL: 2144 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -33 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

099 
WUUS53 KMPX 022318
SVRMPX
MNC043-047-147-161-030000-
/O.NEW.KMPX.SV.W.0012.200602T2318Z-200603T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
618 PM CDT Tue Jun 2 2020

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northern Freeborn County in south central Minnesota...
  Northeastern Faribault County in south central Minnesota...
  Southern Steele County in south central Minnesota...
  Southeastern Waseca County in south central Minnesota...

* Until 700 PM CDT.

* At 618 PM CDT, a severe thunderstorm was located near New Richland,
  or 14 miles north of Albert Lea, moving east at 25 mph.

  HAZARD...Tennis ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Albert Lea, Wells, Blooming Prairie, New Richland, Clarks Grove,
  Ellendale, Alden, Geneva, Hartland, Hollandale, Freeborn and
  Hayward.

This includes the following highways...
 Interstate 35 between mile markers 11 and 34.
 Interstate 90 between mile markers 149 and 173.
 U.S. Highway 14 near mile marker 157.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!

&&

LAT...LON 4369 9378 4407 9360 4393 9305 4362 9306
TIME...MOT...LOC 2318Z 272DEG 22KT 4385 9343 

TORNADO...POSSIBLE
HAIL...2.50IN
WIND...60MPH
 
$$

Dye

2 follow-up statements

257 
WWUS53 KMPX 022349
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
649 PM CDT Tue Jun 2 2020

MNC161-022358-
/O.CAN.KMPX.SV.W.0012.000000T0000Z-200603T0000Z/
Waseca MN-
649 PM CDT Tue Jun 2 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASECA COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
south central Minnesota.

LAT...LON 4369 9378 4385 9370 4385 9341 4398 9341
      4401 9334 4392 9305 4362 9306
TIME...MOT...LOC 2348Z 272DEG 22KT 4384 9317 

$$

MNC043-047-147-030000-
/O.CON.KMPX.SV.W.0012.000000T0000Z-200603T0000Z/
Freeborn MN-Faribault MN-Steele MN-
649 PM CDT Tue Jun 2 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHERN FREEBORN...NORTHEASTERN FARIBAULT AND SOUTHERN STEELE
COUNTIES...

At 648 PM CDT, a severe thunderstorm was located near Geneva, or 15
miles northwest of Austin, moving east at 25 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Albert Lea, Wells, Blooming Prairie, Clarks Grove, Ellendale, Alden,
Geneva, Hartland, Hollandale, Freeborn, Hayward and Lemond.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4369 9378 4385 9370 4385 9341 4398 9341
      4401 9334 4392 9305 4362 9306
TIME...MOT...LOC 2348Z 272DEG 22KT 4384 9317 

TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
 
$$

Dye

276 
WWUS53 KMPX 022357
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
657 PM CDT Tue Jun 2 2020

MNC043-047-147-030007-
/O.EXP.KMPX.SV.W.0012.000000T0000Z-200603T0000Z/
Freeborn MN-Faribault MN-Steele MN-
657 PM CDT Tue Jun 2 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN FREEBORN...
NORTHEASTERN FARIBAULT AND SOUTHERN STEELE COUNTIES WILL EXPIRE AT
700 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
south central Minnesota.

LAT...LON 4369 9378 4385 9370 4385 9341 4398 9341
      4401 9334 4392 9305 4362 9306
TIME...MOT...LOC 2357Z 272DEG 22KT 4384 9309 

$$

Dye

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 12:07 PM CDT	Special Weather Statement	MPX	Douglas	23 min
Jun 2, 12:29 PM CDT	Special Weather Statement	MPX	Douglas	46 min
Jun 2, 1:09 PM CDT	Special Weather Statement	MPX	Morrison	36 min
Jun 2, 1:39 PM CDT	Special Weather Statement	MPX	Benton, Mille Lacs, Pope, Stearns, Swift	36 min
Jun 2, 2:12 PM CDT	Special Weather Statement	MPX	Benton, Pope, Stearns, Swift	33 min
Jun 2, 2:45 PM CDT	Special Weather Statement	MPX	Benton, Chippewa, Isanti, Kandiyohi, Lac qui Parle, Sherburne and 2 more	30 min
Jun 2, 3:14 PM CDT	Special Weather Statement	MPX	Chippewa, Chisago, Isanti, Kandiyohi, Sherburne, Stearns and 1 more	46 min
Jun 2, 3:41 PM CDT	Special Weather Statement	MPX	Anoka, Hennepin, Ramsey, Washington	64 min
Jun 2, 4:23 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet	37 min
Jun 2, 4:48 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Nicollet	27 min
Jun 2, 5:09 PM CDT	Tornado Warning Tornado observed	MPX	Blue Earth	36 min
Jun 2, 5:14 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Martin, Watonwan	31 min
Jun 2, 5:39 PM CDT	Tornado Warning Tornado observed	MPX	Blue Earth, Waseca	51 min
Jun 2, 5:42 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	48 min
Jun 2, 6:19 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	56 min
Jun 2, 6:32 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn	58 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2020 Every severe thunderstorm warning in 2020

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.