Alert archive / Minnesota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 9, NWS Twin Cities, MN

April 12, 20224 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 12, 2022, 7:44 PM CDT for 4 counties in Minnesota. It was in force for 30 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: Apr 12, 2022, 7:44 PM CDT (00:44 UTC)
Expired: Apr 12, 2022, 8:14 PM CDT
In force: 30 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Dakota County, MN, Goodhue County, MN, Rice County, MN, Steele County, MN

The radar

The Minneapolis radar (KMPX), 79 km from the middle of the area, began a volume at 00:43 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
Apr 12, 8:00 PM CDT	HAIL 1	Owatonna, MN	TIME ESTIMATED VIA RADAR.

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
Apr 12, 5:11 PM CDT	Tornado Watch	SPC	7 hr
Apr 12, 6:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.7 hours before the alert went out and 80 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 992 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 710 m²/s²
0-3 km storm-relative helicity: 827 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

723 
WUUS53 KMPX 130044
SVRMPX
MNC037-049-131-147-130130-
/O.NEW.KMPX.SV.W.0009.220413T0044Z-220413T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
744 PM CDT Tue Apr 12 2022

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  South central Dakota County in east central Minnesota...
  Northern Steele County in south central Minnesota...
  Southwestern Goodhue County in southeastern Minnesota...
  Rice County in south central Minnesota...

* Until 830 PM CDT.

* At 744 PM CDT, severe thunderstorms were located along a line
  extending from near Owatonna to Morristown, moving northeast at 60
  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.

* Severe thunderstorms will be near...
  Faribault around 755 PM CDT.
  Kenyon around 800 PM CDT.

Other locations in the path of these severe thunderstorms include
Dundas, Wanamingo, Nerstrand, Northfield, Zumbrota, Stanton, Cannon
Falls and Goodhue.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for south central
Minnesota.

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

&&

LAT...LON 4413 9341 4420 9341 4420 9351 4461 9314
      4442 9250 4420 9281 4419 9305 4403 9305
      4401 9307
TIME...MOT...LOC 0044Z 225DEG 51KT 4411 9316 4420 9345 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Borghoff

2 follow-up statements

145 
WWUS53 KMPX 130057
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
757 PM CDT Tue Apr 12 2022

MNC147-130106-
/O.CAN.KMPX.SV.W.0009.000000T0000Z-220413T0130Z/
Steele MN-
757 PM CDT Tue Apr 12 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN STEELE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
south central, southeastern and east central Minnesota.

LAT...LON 4420 9351 4461 9314 4442 9250 4420 9281
TIME...MOT...LOC 0056Z 221DEG 53KT 4414 9306 4427 9303 4429 9324 

$$

MNC037-049-131-130130-
/O.CON.KMPX.SV.W.0009.000000T0000Z-220413T0130Z/
Dakota MN-Goodhue MN-Rice MN-
757 PM CDT Tue Apr 12 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTH CENTRAL DAKOTA...SOUTHWESTERN GOODHUE AND RICE COUNTIES...

At 756 PM CDT, severe thunderstorms were located along a line
extending from 7 miles northwest of Claremont to near Kenyon to near
Faribault, moving northeast at 60 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.

These severe storms will be near...
  Kenyon and Nerstrand around 800 PM CDT.

Other locations in the path of these severe thunderstorms include
Dundas, Northfield, Stanton, Wanamingo, Cannon Falls, Zumbrota and
Goodhue.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4420 9351 4461 9314 4442 9250 4420 9281
TIME...MOT...LOC 0056Z 221DEG 53KT 4414 9306 4427 9303 4429 9324 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Borghoff

546 
WWUS53 KMPX 130114
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
814 PM CDT Tue Apr 12 2022

MNC037-049-131-130124-
/O.CAN.KMPX.SV.W.0009.000000T0000Z-220413T0130Z/
Dakota MN-Goodhue MN-Rice MN-
814 PM CDT Tue Apr 12 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL DAKOTA...
SOUTHWESTERN GOODHUE AND RICE COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
south central, southeastern and east central Minnesota.

LAT...LON 4420 9351 4461 9314 4442 9250 4420 9281
TIME...MOT...LOC 0113Z 225DEG 51KT 4431 9282 4444 9279 4446 9300 

$$

Borghoff

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 7:14 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	46 min
Apr 12, 7:22 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Renville, Sibley	38 min
Apr 12, 7:39 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Yellow Medicine	31 min
Apr 12, 7:42 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet	48 min
Apr 12, 7:48 PM CDT	Special Weather Statement	MPX	McLeod	27 min
Apr 12, 7:50 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	25 min
Apr 12, 7:54 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Waseca	36 min
Apr 12, 8:30 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	20 min
Apr 12, 8:39 PM CDT	Severe Thunderstorm Warning	MPX	Martin	34 min
Apr 12, 8:58 PM CDT	Special Weather Statement	MPX	McLeod	32 min
Apr 12, 9:06 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	54 min
Apr 12, 9:14 PM CDT	Special Weather Statement	MPX	Sibley	31 min
Apr 12, 9:23 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Sibley	37 min
Apr 12, 9:35 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin, Scott	25 min
Apr 12, 9:42 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn, Steele, Waseca	63 min
Apr 12, 9:53 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Ramsey	37 min
Apr 12, 10:37 PM CDT	Special Weather Statement	MPX	Wright	38 min
Apr 13, 4:01 AM CDT	Wind Advisory	MPX	Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 32 more	39 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2022 Every severe thunderstorm warning in 2022

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.