Alert archive / Minnesota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 13, NWS Twin Cities, MN

April 12, 2022Martin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 12, 2022, 8:39 PM CDT for Martin County, Minnesota. It was in force for 34 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 12, 2022, 8:39 PM CDT (01:39 UTC)
Expired: Apr 12, 2022, 9:13 PM CDT
In force: 34 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Martin County, MN

The radar

The Minneapolis radar (KMPX), 154 km from the middle of the area, began a volume at 01:40 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 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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.7 hours before the alert went out and 153 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.

287 
WUUS53 KMPX 130139
SVRMPX
MNC091-130230-
/O.NEW.KMPX.SV.W.0013.220413T0139Z-220413T0230Z/

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

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Martin County in south central Minnesota...

* Until 930 PM CDT.

* At 839 PM CDT, a severe thunderstorm was located 6 miles northeast
  of Estherville, moving northeast 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...
  Ceylon and Okamanpedan Lake around 850 PM CDT.

Other locations in the path of this severe thunderstorm include
Fairmont, Welcome and Truman.

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 4350 9477 4385 9459 4385 9425 4364 9425
      4350 9441
TIME...MOT...LOC 0139Z 216DEG 39KT 4345 9472 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Borghoff

2 follow-up statements

251 
WWUS53 KMPX 130158
SVSMPX

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

MNC091-130230-
/O.CON.KMPX.SV.W.0013.000000T0000Z-220413T0230Z/
Martin MN-
858 PM CDT Tue Apr 12 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR SOUTHEASTERN MARTIN COUNTY...

At 858 PM CDT, a severe thunderstorm was located near Iowa Lake, or 6
miles south of Fairmont, moving northeast at 50 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.

This severe thunderstorm will remain over mainly rural areas of
southeastern Martin County, including the following locations...
Fairmont Airport, Imogene, Granada and Wilbert.

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 4350 9464 4385 9425 4364 9425 4350 9441
TIME...MOT...LOC 0158Z 238DEG 43KT 4354 9443 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Borghoff

300 
WWUS53 KMPX 130213
SVSMPX

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

MNC091-130223-
/O.CAN.KMPX.SV.W.0013.000000T0000Z-220413T0230Z/
Martin MN-
913 PM CDT Tue Apr 12 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARTIN COUNTY IS
CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

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

LAT...LON 4350 9464 4385 9425 4364 9425 4350 9441
TIME...MOT...LOC 0212Z 216DEG 39KT 4368 9429 

$$

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, 7:44 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Rice, Steele	30 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, 8:58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.