Alert archive / Minnesota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 128, NWS Twin Cities, MN

May 12, 2022Brown County, Redwood County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 12, 2022, 9:03 PM CDT for Brown County, Redwood County, Minnesota. It was in force for 27 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: May 12, 2022, 9:03 PM CDT (02:03 UTC)
Expired: May 12, 2022, 9:30 PM CDT
In force: 27 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Brown County, MN, Redwood County, MN

The radar

The Minneapolis radar (KMPX), 126 km from the middle of the area, began a volume at 02:05 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
May 12, 5:35 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.1 hours before the alert went out and 124 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: 1318 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 2443 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 152 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

As transmitted.

520 
WUUS53 KMPX 130203
SVRMPX
MNC015-127-130230-
/O.NEW.KMPX.SV.W.0128.220513T0203Z-220513T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
903 PM CDT Thu May 12 2022

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Redwood County in southwestern Minnesota...
  Brown County in south central Minnesota...

* Until 930 PM CDT.

* At 903 PM CDT, a severe thunderstorm was located near Lamberton, or
  20 miles north of Windom, moving northeast at 65 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...
  Springfield around 915 PM CDT.

Other locations in the path of this severe thunderstorm include
Morgan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

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

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

&&

LAT...LON 4438 9559 4455 9501 4449 9482 4445 9478
      4443 9469 4439 9467 4440 9464 4436 9453
      4411 9483 4411 9509 4420 9510 4420 9560
TIME...MOT...LOC 0203Z 219DEG 54KT 4415 9523 

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

$$

Dye

1 follow-up statement

923 
WWUS53 KMPX 130226
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
926 PM CDT Thu May 12 2022

MNC015-127-130235-
/O.EXP.KMPX.SV.W.0128.000000T0000Z-220513T0230Z/
Redwood MN-Brown MN-
926 PM CDT Thu May 12 2022

...THE SEVERE THUNDERSTORM WARNING FOR REDWOOD AND BROWN COUNTIES
WILL EXPIRE AT 930 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.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

LAT...LON 4438 9559 4455 9501 4449 9482 4445 9478
      4443 9469 4439 9467 4440 9464 4436 9453
      4411 9483 4411 9509 4420 9510 4420 9560
TIME...MOT...LOC 0225Z 219DEG 54KT 4441 9494 

$$

Dye

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 7:00 PM CDT	Severe Thunderstorm Warning Destructive damage threat	MPX	Chippewa, Douglas, Kandiyohi, Pope, Stevens, Swift	45 min
May 12, 7:02 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	58 min
May 12, 7:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Benton, Meeker, Morrison, Sherburne, Stearns, Todd and 1 more	67 min
May 12, 7:09 PM CDT	Tornado Warning	MPX	Douglas	21 min
May 12, 7:14 PM CDT	Tornado Warning	MPX	Kandiyohi, Stearns	16 min
May 12, 7:31 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Morrison, Todd	44 min
May 12, 7:32 PM CDT	Tornado Warning	MPX	Todd	13 min
May 12, 7:36 PM CDT	Tornado Warning	MPX	Morrison, Stearns	9 min
May 12, 7:44 PM CDT	Tornado Warning	MPX	Benton, Morrison, Stearns	16 min
May 12, 7:45 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Carver, Hennepin, McLeod, Meeker, Scott and 3 more	60 min
May 12, 7:48 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Isanti, Mille Lacs, Sherburne	57 min
May 12, 7:55 PM CDT	Tornado Warning	MPX	Benton, Morrison	20 min
May 12, 7:56 PM CDT	Tornado Warning	MPX	Morrison	19 min
May 12, 8:03 PM CDT	Tornado Warning	MPX	Morrison	12 min
May 12, 8:06 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs, Morrison	54 min
May 12, 8:25 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Dakota, Ramsey, Washington	39 min
May 12, 8:35 PM CDT	Special Weather Statement	MPX	Morrison	85 min
May 12, 8:54 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Yellow Medicine	36 min
May 12, 9:17 PM CDT	Special Weather Statement	MPX	Chippewa	28 min
May 12, 10:17 PM CDT	Special Weather Statement	MPX	Benton	28 min
May 13, 3:07 AM CDT	River Flood Warning	MPX	Mille Lacs	11 hr
May 13, 9:11 AM CDT	River Flood Warning	MPX	Sherburne, Stearns, Wright	21 days
May 13, 9:13 AM CDT	River Flood Warning	MPX	Stearns	21 days
May 13, 9:18 AM CDT	River Flood Warning	MPX	Todd	67 hr
May 13, 1:53 PM CDT	River Flood Warning	MPX	Kanabec	58 hr
May 13, 2:50 PM CDT	River Flood Warning	MPX	Anoka, Hennepin	21 days

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.