Alert archive / Minnesota / Tornado Warnings in 2022

Tornado Warning 21, NWS La Crosse, WI

July 23, 2022Houston County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jul 23, 2022, 3:02 PM CDT for Houston County, Minnesota. It was in force for 14 min. 2 reports 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: Jul 23, 2022, 3:02 PM CDT (20:02 UTC)
Expired: Jul 23, 2022, 3:16 PM CDT
In force: 14 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Houston County, MN

The radar

The La Crosse radar (KARX), 16 km from the middle of the area, began a volume at 20:03 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
Jul 23, 3:06 PM CDT	TSTM WND DMG	Mound Prairie, MN	TREES BLOWN DOWN
Jul 23, 3:06 PM CDT	TSTM WND DMG	Mound Prairie, MN	TREES BLOWN DOWN.

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
Jul 23, 11:34 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.0 hours before the alert went out and 218 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: 449 J/kg
Mixed-layer CIN: -374 J/kg
Mixed-layer LCL: 1591 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

532 
WFUS53 KARX 232002
TORARX
MNC055-232030-
/O.NEW.KARX.TO.W.0021.220723T2002Z-220723T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
302 PM CDT Sat Jul 23 2022

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Northern Houston County in southeastern Minnesota...

* Until 330 PM CDT.
    
* At 301 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Houston, or 11 miles north of Caledonia, moving
  east at 45 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.

* This dangerous storm will be near...
  La Crescent, Hokah and Brownsville around 320 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Highway 44 And Sanden Road, County 9 And Sather Valley Road, Perkins,
County Roads 3 And 24, Mound Prairie and Money Creek.

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 4383 9164 4383 9127 4379 9126 4377 9124
      4375 9125 4372 9126 4371 9127 4365 9127
      4365 9126 4363 9127 4364 9128 4377 9166
TIME...MOT...LOC 2001Z 281DEG 41KT 4379 9158 

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

$$

Rieck

2 follow-up statements

025 
WWUS53 KARX 232008
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
308 PM CDT Sat Jul 23 2022

MNC055-232030-
/O.CON.KARX.TO.W.0021.000000T0000Z-220723T2030Z/
Houston MN-
308 PM CDT Sat Jul 23 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR NORTHERN
HOUSTON COUNTY...
        
At 308 PM CDT, a confirmed tornado was located near Houston, or 9
miles west of La Crescent, moving east at 45 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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.

This tornado will be near...
  La Crescent, Hokah and Brownsville around 320 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Highway 44 And Sanden Road, County 9 And Sather Valley Road, Perkins,
County Roads 3 And 24, Mound Prairie and Money Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4383 9164 4383 9127 4379 9126 4377 9124
      4375 9125 4372 9126 4371 9127 4365 9127
      4365 9126 4363 9127 4364 9128 4377 9166
TIME...MOT...LOC 2008Z 279DEG 40KT 4378 9149 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

Rieck

032 
WWUS53 KARX 232016
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
316 PM CDT Sat Jul 23 2022

MNC055-232026-
/O.CAN.KARX.TO.W.0021.000000T0000Z-220723T2030Z/
Houston MN-
316 PM CDT Sat Jul 23 2022

...THE TORNADO WARNING FOR NORTHERN HOUSTON COUNTY IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
southeastern Minnesota...and southwestern and west central Wisconsin.

LAT...LON 4383 9164 4383 9127 4379 9126 4377 9124
      4375 9125 4372 9126 4371 9127 4365 9127
      4365 9126 4363 9127 4364 9128 4377 9166
TIME...MOT...LOC 2015Z 281DEG 41KT 4376 9136 

$$

Rieck

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 23, 11:53 AM CDT	Special Weather Statement	ARX	Dodge, Mower, Olmsted, Wabasha	97 min
Jul 23, 12:29 PM CDT	Severe Thunderstorm Warning	ARX	Dodge	61 min
Jul 23, 1:05 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted	55 min
Jul 23, 1:22 PM CDT	Severe Thunderstorm Warning	ARX	Mower	63 min
Jul 23, 1:29 PM CDT	Severe Thunderstorm Warning	ARX	Dodge	28 min
Jul 23, 1:33 PM CDT	Tornado Warning	ARX	Olmsted	27 min
Jul 23, 2:03 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted, Winona	42 min
Jul 23, 2:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Fillmore	69 min
Jul 23, 2:40 PM CDT	Severe Thunderstorm Warning	ARX	Winona	50 min
Jul 23, 2:47 PM CDT	Severe Thunderstorm Warning	ARX	Houston	43 min
Jul 23, 3:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Houston	51 min
Jul 23, 3:23 PM CDT	Severe Thunderstorm Warning	ARX	Winona	37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.