Alert archive / Minnesota / Flash Flood Warnings in 2025
Flash Flood Warning 16, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 17, 2025, 1:15 AM CDT for Redwood County, Minnesota. It was in force for 6 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
- Aug 17, 2025, 1:15 AM CDT (06:15 UTC)
- Expired
- Aug 17, 2025, 7:15 AM CDT
- In force
- 6 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
County Redwood County, MN
The radar
The Sioux Falls radar (KFSD), 137 km from the middle of the area, began a volume at 06:18 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, 6.3 hours before the alert went out and 155 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
- 756 J/kg
- Mixed-layer CIN
- -229 J/kg
- Mixed-layer LCL
- 1115 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
022
WGUS53 KMPX 170615
FFWMPX
MNC127-171215-
/O.NEW.KMPX.FF.W.0016.250817T0615Z-250817T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
115 AM CDT Sun Aug 17 2025
The National Weather Service in the Twin Cities has issued a
* Flash Flood Warning for...
Southwestern Redwood County in southwestern Minnesota...
* Until 715 AM CDT.
* At 115 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. Additional rainfall amounts of 2 to 4 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
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...
Wabasso, Milroy, Lucan and Seaforth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4453 9558 4447 9524 4433 9526 4426 9540
4427 9559 4453 9559
FLASH FLOOD...RADAR INDICATED
$$
TDH1 follow-up statement
965
WGUS73 KMPX 170902
FFSMPX
Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
402 AM CDT Sun Aug 17 2025
MNC127-171215-
/O.CON.KMPX.FF.W.0016.000000T0000Z-250817T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Redwood MN-
402 AM CDT Sun Aug 17 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM CDT THIS
MORNING FOR SOUTHWESTERN REDWOOD COUNTY...
At 402 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1.5 and 2 inches of rain have
fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Wabasso, Lucan and Seaforth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4448 9544 4447 9524 4433 9526 4426 9540
4427 9559 4435 9559 4441 9546
FLASH FLOOD...RADAR INDICATED
$$
TDHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 9:30 PM CDT | River Flood Warning | MPX | Chippewa, Renville, Yellow Medicine | 15 days |
| Aug 17, 1:52 AM CDT | Flash Flood Warning | MPX | Steele, Waseca | 6 hr |
| Aug 17, 2:12 AM CDT | Flash Flood Warning | MPX | Redwood | 5 hr |
| Aug 17, 4:54 AM CDT | Special Weather Statement | MPX | Faribault, Waseca | 66 min |
| Aug 17, 6:22 AM CDT | Flash Flood Warning | MPX | Blue Earth, Watonwan | 3 hr |
| Aug 17, 8:14 AM CDT | Flash Flood Warning | MPX | Redwood | 3 hr |
| Aug 17, 8:17 AM CDT | Special Weather Statement | MPX | Brown, Redwood, Watonwan, Yellow Medicine | 6 hr |
| Aug 17, 8:24 AM CDT | Special Weather Statement | MPX | Blue Earth, Faribault, Freeborn, Waseca | 5 hr |
| Aug 17, 10:06 AM CDT | River Flood Warning | MPX | Brown | 6 days |
| Aug 17, 10:06 AM CDT | River Flood Warning | MPX | Brown | 6 days |
| Aug 17, 10:06 AM CDT | River Flood Warning | MPX | Redwood | 59 hr |
| Aug 17, 2:17 PM CDT | Flood Watch | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 20 hr |
| Aug 17, 6:59 PM CDT | Tornado Warning | MPX | Faribault | 31 min |
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.