Alert archive / Minnesota / Tornado Warnings in 2022

Tornado Warning 50, NWS Twin Cities, MN

July 23, 2022Steele County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 23, 2022, 9:51 PM CDT for Steele County, Minnesota. It was in force for 12 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: Jul 23, 2022, 9:51 PM CDT (02:51 UTC)
Expired: Jul 23, 2022, 10:03 PM CDT
In force: 12 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Steele County, MN

The radar

The Minneapolis radar (KMPX), 109 km from the middle of the area, began a volume at 02:54 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
Jul 23, 8:55 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.9 hours before the alert went out and 110 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: 520 J/kg
Mixed-layer CIN: -321 J/kg
Mixed-layer LCL: 1065 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 234 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

817 
WFUS53 KMPX 240251
TORMPX
MNC147-240315-
/O.NEW.KMPX.TO.W.0050.220724T0251Z-220724T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
951 PM CDT Sat Jul 23 2022

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Southern Steele County in south central Minnesota...

* Until 1015 PM CDT.
    
* At 951 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Ellendale, or 12 miles south of Owatonna, moving
  east at 30 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur. Tree 
           damage is likely.

* Locations impacted include...
  Blooming Prairie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4389 9339 4394 9339 4397 9305 4385 9305
      4384 9317
TIME...MOT...LOC 0251Z 267DEG 28KT 4392 9331 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

JRB

1 follow-up statement

584 
WWUS53 KMPX 240303
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1003 PM CDT Sat Jul 23 2022

MNC147-240312-
/O.CAN.KMPX.TO.W.0050.000000T0000Z-220724T0315Z/
Steele MN-
1003 PM CDT Sat Jul 23 2022

...THE TORNADO WARNING FOR SOUTHERN STEELE COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
south central Minnesota.

Remember, a Severe Thunderstorm Warning still remains in effect 
until 1030 PM.

LAT...LON 4389 9339 4394 9339 4397 9305 4385 9305
      4384 9317
TIME...MOT...LOC 0258Z 267DEG 28KT 4392 9319 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 7:50 PM CDT	Special Weather Statement	MPX	Blue Earth, Waseca	40 min
Jul 23, 8:17 PM CDT	Severe Thunderstorm Warning	MPX	Steele, Waseca	58 min
Jul 23, 8:48 PM CDT	Special Weather Statement	MPX	Blue Earth	27 min
Jul 23, 9:13 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Waseca	47 min
Jul 23, 9:34 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Steele	42 min

Nearby

Tornado Warnings in Minnesota, 2022 Every tornado warning in 2022 Tornadoes 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.