Alert archive / Minnesota / Tornado Warnings in 2024

Tornado Warning 20, NWS Twin Cities, MN

August 5, 2024Blue Earth County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 5, 2024, 5:59 PM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 31 min. 3 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, 5:59 PM CDT (22:59 UTC)
Expired
Aug 5, 2024, 6:30 PM CDT
In force
31 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Blue Earth County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 86 km from the middle of the area, began a volume at 23:00 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, 6:07 PM CDTFUNNEL CLOUD1 Nne Mankato, MNTrained spotter report of rapidly rotating funnel cloud.
Aug 5, 6:15 PM CDTTSTM WND DMGEagle Lake, MNSeveral branches down on power lines. Relayed via County Dispatch. Time estimated from radar.
Aug 5, 6:19 PM CDTTORNADO2 Wsw Smiths Mill, MNEF-1 began 2 WSW Smiths Mill and tracked SE 6.25 miles. Garage door blown in, an empty farm trailer was blown onto its side, numerous trees uprooted or snapped, and a couple power poles were 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.

IssuedProductOfficeLasted
Aug 5, 5:24 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.0 hours before the alert went out and 85 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.

149 
WFUS53 KMPX 052259
TORMPX
MNC013-103-052330-
/O.NEW.KMPX.TO.W.0020.240805T2259Z-240805T2330Z/

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

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Northeastern Blue Earth County in south central Minnesota...
  Southeastern Nicollet County in south central Minnesota...

* Until 630 PM CDT.

* At 558 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over North Mankato, or near Mankato, moving east at 25
  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...
  Mankato around 605 PM CDT.
  Eagle Lake and St. Clair around 610 PM CDT.

Other locations impacted by this tornadic thunderstorm include Smiths
Mill, Skyline, and Minneopa State Park.

This includes the following highways...
 U.S. Highway 14 between mile markers 126 and 143.
 U.S. Highway 169 between mile markers 47 and 57.

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 4397 9381 4413 9414 4422 9407 4423 9400
      4419 9377 4409 9376
TIME...MOT...LOC 2258Z 283DEG 23KT 4414 9404 

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

$$

Dye
2 follow-up statements
009 
WWUS53 KMPX 052313
SVSMPX

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

MNC103-052323-
/O.CAN.KMPX.TO.W.0020.000000T0000Z-240805T2330Z/
Nicollet MN-
613 PM CDT Mon Aug 5 2024

...THE TORNADO WARNING FOR SOUTHEASTERN NICOLLET COUNTY IS
CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

&&

LAT...LON 4397 9381 4411 9407 4417 9402 4421 9400
      4419 9377 4408 9377
TIME...MOT...LOC 2313Z 283DEG 23KT 4412 9391 

$$

MNC013-052330-
/O.CON.KMPX.TO.W.0020.000000T0000Z-240805T2330Z/
Blue Earth MN-
613 PM CDT Mon Aug 5 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHEASTERN BLUE EARTH COUNTY...

At 613 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Eagle Lake, or near Mankato, moving east at 25 mph.

HAZARD...Tornado.

SOURCE...Weather spotters reported a funnel cloud.

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...
  St. Clair around 620 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Skyline.

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 4397 9381 4411 9407 4417 9402 4421 9400
      4419 9377 4408 9377
TIME...MOT...LOC 2313Z 283DEG 23KT 4412 9391 

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

$$

Dye
186 
WWUS53 KMPX 052325
SVSMPX

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

MNC013-052334-
/O.EXP.KMPX.TO.W.0020.000000T0000Z-240805T2330Z/
Blue Earth MN-
625 PM CDT Mon Aug 5 2024

...THE TORNADO WARNING FOR NORTHEASTERN BLUE EARTH COUNTY WILL EXPIRE
AT 630 PM CDT...

The Tornado Warning that was previously in effect has been reissued 
for eastern Blue Earth County and is in effect until 645 PM CDT. 
Please refer to that bulletin for the latest severe weather 
information.

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
the Twin Cities.

Remember, a Tornado Warning still remains in effect for eastern Blue 
Earth County.

&&

LAT...LON 4397 9381 4411 9407 4417 9402 4421 9400
      4419 9377 4408 9377
TIME...MOT...LOC 2324Z 283DEG 23KT 4411 9382 

$$

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, 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, 6:39 PM CDTTornado Warning Tornado observedMPXSteele, Waseca36 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.