Alert archive / Minnesota / Tornado Warnings in 2024

Tornado Warning 24, NWS Twin Cities, MN

August 5, 2024Steele County, Waseca County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 5, 2024, 6:39 PM CDT for Steele County, Waseca County, Minnesota. It was in force for 36 min. 4 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
Aug 5, 2024, 6:39 PM CDT (23:39 UTC)
Expired
Aug 5, 2024, 7:15 PM CDT
In force
36 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Steele County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 97 km from the middle of the area, began a volume at 23:40 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.

What was reported inside it

TimeReportWhereRemark
Aug 5, 6:42 PM CDTTORNADO3 Ene Pemberton, MNSeveral downed branches and damage to a structure within Alma City. Time estimated from radar.
Aug 5, 6:45 PM CDTTORNADO3 Se Janesville, MNSeveral large trees snapped. Relayed via Broadcast Media. Time estimated from radar.
Aug 5, 6:47 PM CDTTSTM WND DMG5 Wsw Waseca, MNCorrects previous tstm wnd dmg report from 5 WSW Waseca. Delayed LSR - Photos submitted of damage to destroyed grain bin and crop damage. Time estimated via radar. Estimated wind between 80-85 mph.
Aug 5, 6:58 PM CDTTORNADO5 S Waseca, MNEF-1 began 5 S Waseca and tracked ESE 1.4 miles. Multiple large trees were snapped or uprooted.

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.

IssuedProductOfficeLasted
Aug 5, 5:24 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.7 hours before the alert went out and 97 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 12:00Z on 2024-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2024-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
700 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

757 
WFUS53 KMPX 052339
TORMPX
MNC147-161-060015-
/O.NEW.KMPX.TO.W.0024.240805T2339Z-240806T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
639 PM CDT Mon Aug 5 2024

The National Weather Service in the Twin Cities has issued a

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

* Until 715 PM CDT.

* At 638 PM CDT, a confirmed tornado was located near Janesville, or
  17 miles southeast of Mankato, moving east at 20 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Weather spotters confirmed a large tornado 3 miles south 
           of Janesville.

  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.

* The tornado will be near...
  Waseca around 650 PM CDT.

Other locations impacted by this tornadic thunderstorm include Waseca
Airport, Otisco, Lemond, and Hope.


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 4398 9376 4410 9369 4410 9325 4385 9328
      4385 9330
TIME...MOT...LOC 2338Z 277DEG 19KT 4404 9367 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

Dye
1 follow-up statement
527 
WWUS53 KMPX 052353
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
653 PM CDT Mon Aug 5 2024

MNC147-161-060015-
/O.CON.KMPX.TO.W.0024.000000T0000Z-240806T0015Z/
Steele MN-Waseca MN-
653 PM CDT Mon Aug 5 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
SOUTHWESTERN STEELE AND SOUTHEASTERN WASECA COUNTIES...

At 653 PM CDT, a confirmed large rain wrapped tornado was located 
near Waseca, or 17 miles west of Owatonna, moving east at 20 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Weather spotters 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...
  Waseca around 700 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Otisco, Hope, and Lemond.

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4396 9364 4407 9359 4407 9325 4385 9328
      4385 9330
TIME...MOT...LOC 2353Z 277DEG 19KT 4403 9356 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

Dye

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 3:20 AM CDTFlood WatchMPXDakota, Goodhue, Rice18 hr
Aug 5, 4:53 AM CDTSpecial Weather StatementMPXYellow Medicine37 min
Aug 5, 5:19 PM CDTTornado WarningMPXWatonwan26 min
Aug 5, 5:34 PM CDTTornado WarningMPXWatonwan26 min
Aug 5, 5:53 PM CDTTornado WarningMPXBlue Earth, Watonwan37 min
Aug 5, 5:59 PM CDTTornado WarningMPXBlue Earth, Nicollet31 min
Aug 5, 6:20 PM CDTSpecial Weather StatementMPXWaseca25 min
Aug 5, 6:20 PM CDTTornado WarningMPXBlue Earth, Faribault25 min
Aug 5, 6:22 PM CDTTornado WarningMPXBlue Earth, Waseca23 min
Aug 5, 6:36 PM CDTTornado WarningMPXFaribault24 min
Aug 5, 6:54 PM CDTSpecial Weather StatementMPXDakota36 min
Aug 5, 6:59 PM CDTTornado WarningMPXFaribault, Freeborn31 min

Nearby

Tornado Warnings in Minnesota, 2024Every tornado warning in 2024Tornadoes in 2024

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.