Alert archive / Minnesota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 271, NWS Twin Cities, MN

October 23, 2022Brown County, Redwood County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 23, 2022, 8:46 PM CDT for Brown County, Redwood County, Minnesota. It was in force for 29 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
Oct 23, 2022, 8:46 PM CDT (01:46 UTC)
Expired
Oct 23, 2022, 9:15 PM CDT
In force
29 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Brown County, MN, Redwood County, MN

The radar

The Minneapolis radar (KMPX), 122 km from the middle of the area, began a volume at 01:47 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.8 hours before the alert went out and 120 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2022-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 164 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2022-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
164 J/kg
Mixed-layer CIN
-462 J/kg
Mixed-layer LCL
1469 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
389 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

009 
WUUS53 KMPX 240146
SVRMPX
MNC015-127-240215-
/O.NEW.KMPX.SV.W.0271.221024T0146Z-221024T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
846 PM CDT Sun Oct 23 2022

The National Weather Service in the Twin Cities has issued a

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

* Until 915 PM CDT.

* At 846 PM CDT, a severe thunderstorm was located near Lamberton, or
  22 miles north of Windom, moving northeast at 75 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Springfield around 855 PM CDT.
  Morgan around 905 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4420 9510 4419 9540 4421 9549 4455 9502
      4452 9488 4450 9488 4445 9478 4443 9470
      4439 9467 4438 9457 4434 9448 4411 9481
      4411 9509
TIME...MOT...LOC 0146Z 225DEG 67KT 4419 9523 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

TDH
2 follow-up statements
908 
WWUS53 KMPX 240206
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
906 PM CDT Sun Oct 23 2022

MNC015-127-240215-
/O.CON.KMPX.SV.W.0271.000000T0000Z-221024T0215Z/
Redwood MN-Brown MN-
906 PM CDT Sun Oct 23 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR SOUTHEASTERN REDWOOD AND BROWN COUNTIES...

At 906 PM CDT, a severe thunderstorm was located 8 miles northwest of
Springfield, or 15 miles south of Redwood Falls, moving northeast at
50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Morgan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4420 9510 4419 9540 4421 9549 4455 9502
      4452 9488 4450 9488 4445 9478 4443 9470
      4439 9467 4438 9457 4434 9448 4411 9481
      4411 9509
TIME...MOT...LOC 0206Z 218DEG 44KT 4432 9509 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

TDH
771 
WWUS53 KMPX 240213
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
913 PM CDT Sun Oct 23 2022

MNC015-127-240221-
/O.EXP.KMPX.SV.W.0271.000000T0000Z-221024T0215Z/
Redwood MN-Brown MN-
913 PM CDT Sun Oct 23 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN REDWOOD AND BROWN
COUNTIES WILL EXPIRE AT 915 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 are still possible with this thunderstorm.

LAT...LON 4420 9510 4419 9540 4421 9549 4455 9502
      4452 9488 4450 9488 4445 9478 4443 9470
      4439 9467 4438 9457 4434 9448 4411 9481
      4411 9509
TIME...MOT...LOC 0211Z 225DEG 67KT 4437 9502 

$$

TDH

Nearby

Severe Thunderstorm Warnings in Minnesota, 2022Every 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.