Alert archive / Minnesota / Tornado Warnings in 2025

Tornado Warning 70, NWS Twin Cities, MN

July 18, 2025Redwood County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 18, 2025, 10:34 PM CDT for Redwood County, Minnesota. It was in force for 11 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 18, 2025, 10:34 PM CDT (03:34 UTC)
Expired
Jul 18, 2025, 10:45 PM CDT
In force
11 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Redwood County, MN

The radar

The Sioux Falls radar (KFSD), 129 km from the middle of the area, began a volume at 03:38 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.

IssuedProductOfficeLasted
Jul 18, 8:06 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.6 hours before the alert went out and 158 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 2025-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 2025-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 square meters per square second.19395878Sfc1 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
12 J/kg
Mixed-layer CIN
-337 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

526 
WFUS53 KMPX 190334
TORMPX
MNC127-190345-
/O.NEW.KMPX.TO.W.0070.250719T0334Z-250719T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
1034 PM CDT Fri Jul 18 2025

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  South Central Redwood County in southwestern Minnesota...

* Until 1045 PM CDT.

* At 1034 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located near Walnut Grove, or 27 miles southwest of 
  Redwood Falls, moving southeast at 20 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...
  Walnut Grove, Lamberton and Revere.

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 4422 9551 4431 9530 4420 9517 4420 9548
TIME...MOT...LOC 0334Z 310DEG 19KT 4420 9538

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

$$

Strus
1 follow-up statement
905 
WWUS53 KMPX 190344
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1044 PM CDT Fri Jul 18 2025

MNC127-190354-
/O.EXP.KMPX.TO.W.0070.000000T0000Z-250719T0345Z/
Redwood MN-
1044 PM CDT Fri Jul 18 2025

...TORNADO WARNING WILL EXPIRE AT 1045 PM CDT FOR SOUTH CENTRAL 
REDWOOD COUNTY...

The storm which prompted the warning has moved out of the area. 
Therefore, the warning will be allowed to expire. However, small 
hail, gusty winds, and heavy rain are still possible with this 
thunderstorm.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT 
Saturday for a portion of southwest Minnesota.

&&

LAT...LON 4422 9551 4431 9530 4420 9517 4420 9548
TIME...MOT...LOC 0334Z 310DEG 19KT 4420 9538

$$

Strus

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:28 PM CDTSevere Thunderstorm WarningMPXChippewa, Renville, Yellow Medicine30 min
Jul 18, 7:43 PM CDTTornado WarningMPXRedwood, Renville, Yellow Medicine35 min
Jul 18, 7:51 PM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi25 min
Jul 18, 8:12 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville33 min
Jul 18, 9:01 PM CDTSevere Thunderstorm WarningMPXSherburne, Stearns10 min
Jul 18, 9:11 PM CDTSevere Thunderstorm WarningMPXBenton, Sherburne, Stearns, Wright34 min
Jul 18, 9:50 PM CDTSpecial Weather StatementMPXRedwood55 min
Jul 18, 10:03 PM CDTSevere Thunderstorm WarningMPXRedwood42 min
Jul 18, 10:48 PM CDTFlash Flood WarningMPXRedwood87 min
Jul 18, 11:55 PM CDTSpecial Weather StatementMPXMartin, Watonwan65 min
Jul 19, 12:18 AM CDTSpecial Weather StatementMPXBlue Earth57 min
Jul 19, 1:00 AM CDTSpecial Weather StatementMPXWatonwan60 min
Jul 19, 1:25 AM CDTSevere Thunderstorm WarningMPXFaribault, Martin35 min
Jul 19, 2:00 AM CDTSpecial Weather StatementMPXFaribault30 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.