Alert archive / Minnesota / Flash Flood Warnings in 2025
Flash Flood Warning 7, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Jul 23, 2025, 9:43 PM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 5 hr. 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 23, 2025, 9:43 PM CDT (02:43 UTC)
- Expired
- Jul 24, 2025, 2:45 AM CDT
- In force
- 5 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Blue Earth County, MN, Nicollet County, MN
The radar
The Minneapolis radar (KMPX), 89 km from the middle of the area, began a volume at 02:44 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.7 hours before the alert went out and 88 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.
- Mixed-layer CAPE
- 436 J/kg
- Mixed-layer CIN
- -269 J/kg
- Mixed-layer LCL
- 1246 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
013
WGUS53 KMPX 240243
FFWMPX
MNC013-103-240745-
/O.NEW.KMPX.FF.W.0007.250724T0243Z-250724T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
943 PM CDT Wed Jul 23 2025
The National Weather Service in the Twin Cities has issued a
* Flash Flood Warning for...
Central Blue Earth County in south central Minnesota...
Southeastern Nicollet County in south central Minnesota...
* Until 245 AM CDT.
* At 943 PM CDT, local law enforcement reported thunderstorms
producing heavy rain with some street and basement flooding
starting to occur in the city of Mankato. Between 3 and 5 inches
of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch
are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Mankato, North Mankato, Lake Crystal, Eagle Lake, Mapleton, St.
Clair, Good Thunder, Skyline and Minneopa State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4419 9414 4420 9413 4422 9398 4421 9391
4412 9380 4411 9379 4393 9396 4400 9409
4406 9417 4412 9421
FLASH FLOOD...OBSERVED
$$
MPG1 follow-up statement
180
WGUS73 KMPX 240746
FFSMPX
Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
246 AM CDT Thu Jul 24 2025
MNC013-103-240756-
/O.EXP.KMPX.FF.W.0007.000000T0000Z-250724T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Blue Earth MN-Nicollet MN-
246 AM CDT Thu Jul 24 2025
...FLASH FLOOD WARNING HAS EXPIRED FOR CENTRAL BLUE EARTH AND
SOUTHEASTERN NICOLLET COUNTIES...
The heavy rain has ended. Flash Flooding is no longer expected to
pose a threat. Please continue to heed remaining road closures.
&&
LAT...LON 4419 9414 4420 9413 4422 9398 4421 9391
4412 9380 4411 9379 4393 9396 4400 9409
4406 9417 4412 9421
$$
JPCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 7:10 PM CDT | Special Weather Statement | MPX | Blue Earth | 3 hr |
| Jul 23, 7:27 PM CDT | Tornado Warning | MPX | Blue Earth, Waseca | 33 min |
| Jul 23, 8:21 PM CDT | Special Weather Statement | MPX | Faribault, Freeborn, Martin, Steele, Waseca | 54 min |
| Jul 23, 9:28 PM CDT | Special Weather Statement | MPX | Blue Earth, Faribault, Freeborn, Rice, Steele, Waseca | 6 hr |
Nearby
Flash Flood Warnings in Minnesota, 2025Every flash flood warning 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.