Alert archive / Minnesota / Tornado Warnings in 2025

Tornado Warning 78, NWS Twin Cities, MN

August 17, 2025Faribault County, Martin County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 17, 2025, 7:08 PM CDT for Faribault County, Martin County, Minnesota. It was in force for 38 min. 1 report 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 17, 2025, 7:08 PM CDT (00:08 UTC)
Expired
Aug 17, 2025, 7:46 PM CDT
In force
38 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Faribault County, MN, Martin County, MN

The radar

The Minneapolis radar (KMPX), 136 km from the middle of the area, began a volume at 00:08 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 17, 7:25 PM CDTFUNNEL CLOUDDelavan, MNTrained spotter reports several brief funnel clouds with thunderstorm just west of Delavan.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.1 hours before the alert went out and 135 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 2025-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 225 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 2025-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.1939Sfc1 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
225 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

162 
WFUS53 KMPX 180008
TORMPX
MNC043-091-180100-
/O.NEW.KMPX.TO.W.0078.250818T0008Z-250818T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
708 PM CDT Sun Aug 17 2025

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Northwestern Faribault County in south central Minnesota...
  East Central Martin County in south central Minnesota...

* Until 800 PM CDT.

* At 708 PM CDT, a line of severe thunderstorms capable of producing 
  a tornado was located 7 miles south of Winnebago, or 14 miles east 
  of Fairmont, moving northeast at 15 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Blue Earth, Winnebago, Delavan, Huntley and Guckeen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from 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 4373 9425 4384 9413 4381 9386 4357 9422
      4360 9439
TIME...MOT...LOC 0008Z 226DEG 13KT 4367 9420

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

BED
2 follow-up statements
089 
WWUS53 KMPX 180035
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
735 PM CDT Sun Aug 17 2025

MNC091-180045-
/O.CAN.KMPX.TO.W.0078.000000T0000Z-250818T0100Z/
Martin MN-
735 PM CDT Sun Aug 17 2025

...TORNADO WARNING IS CANCELLED FOR EAST CENTRAL MARTIN COUNTY...

The storm which prompted the warning has moved out of the area. 
Therefore, the warning has been cancelled. However, gusty winds are 
still possible with this thunderstorm.

&&

LAT...LON 4381 9386 4374 9397 4376 9409 4383 9402
TIME...MOT...LOC 0008Z 226DEG 13KT 4367 9420

$$


MNC043-180100-
/O.CON.KMPX.TO.W.0078.000000T0000Z-250818T0100Z/
Faribault MN-
735 PM CDT Sun Aug 17 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 8 PM CDT FOR NORTH 
CENTRAL FARIBAULT COUNTY...

At 735 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Easton, or 24 miles south of Mankato, moving 
northeast 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...
  Delavan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from 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 4381 9386 4374 9397 4376 9409 4383 9402
TIME...MOT...LOC 0008Z 224DEG 27KT 4367 9412

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN

$$

BED
815 
WWUS53 KMPX 180046
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
746 PM CDT Sun Aug 17 2025

MNC043-180056-
/O.CAN.KMPX.TO.W.0078.000000T0000Z-250818T0100Z/
Faribault MN-
746 PM CDT Sun Aug 17 2025

...TORNADO WARNING IS CANCELLED FOR NORTH CENTRAL FARIBAULT COUNTY...

The storm which prompted the warning has moved out of the area. 
Therefore, the warning has been cancelled. However, gusty winds are 
still possible with this thunderstorm.

&&

LAT...LON 4381 9386 4374 9397 4376 9409 4383 9402
TIME...MOT...LOC 0035Z 224DEG 27KT 4382 9392

$$

BED

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 7:26 PM CDTSevere Thunderstorm WarningMPXBrown, Watonwan49 min
Aug 17, 7:32 PM CDTTornado WarningMPXBlue Earth, Faribault, Waseca28 min
Aug 17, 7:55 PM CDTTornado WarningMPXWaseca21 min
Aug 17, 8:09 PM CDTSpecial Weather StatementMPXBlue Earth, Watonwan36 min
Aug 17, 8:21 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Le Sueur, Nicollet, Sibley, Watonwan39 min
Aug 17, 8:57 PM CDTSevere Thunderstorm WarningMPXCarver, Le Sueur, Nicollet, Scott, Sibley48 min
Aug 17, 9:28 PM CDTFlash Flood WarningMPXBlue Earth, Faribault, Steele, Waseca5 hr
Aug 17, 9:44 PM CDTSpecial Weather StatementMPXHennepin31 min
Aug 17, 10:02 PM CDTSpecial Weather StatementMPXDakota, Hennepin, Ramsey, Washington118 min
Aug 17, 10:32 PM CDTFlash Flood WarningMPXGoodhue, Rice4 hr
Aug 18, 7:08 AM CDTSpecial Weather StatementMPXWaseca82 min

Nearby

Tornado Warnings in Minnesota, 2025Every tornado warning in 2025Tornadoes in 2025

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.