Alert archive / Minnesota / Flash Flood Warnings in 2025
Flash Flood Warning 13, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 15, 2025, 4:21 PM CDT for Hennepin County, Ramsey County, Minnesota. It was in force for 108 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
- Aug 15, 2025, 4:21 PM CDT (21:21 UTC)
- Expired
- Aug 15, 2025, 6:09 PM CDT
- In force
- 108 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hennepin County, MN, Ramsey County, MN
The radar
The Minneapolis radar (KMPX), 31 km from the middle of the area, began a volume at 21:24 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 12:00Z, 9.4 hours before the alert went out and 34 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
- 1154 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 349 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.4
The text
As transmitted.
077
WGUS53 KMPX 152121
FFWMPX
MNC053-123-152315-
/O.NEW.KMPX.FF.W.0013.250815T2121Z-250815T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
421 PM CDT Fri Aug 15 2025
The National Weather Service in the Twin Cities has issued a
* Flash Flood Warning for...
East Hennepin County in east central Minnesota...
Southern Ramsey County in east central Minnesota...
* Until 615 PM CDT.
* At 421 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. The expected rainfall rate is 1 to 2.5 inches in 1
hour. Additional rainfall amounts up to 2.5 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...
Minneapolis, St. Paul, Edina, St. Louis Park, Maplewood,
Richfield, Roseville, West St. Paul, MSP International Airport,
North St. Paul, Falcon Heights, Newport, Highland Park, Mn State
Fair, Como Park, Univ Of Mn Minneapolis Campus, Fort Snelling
State Park, St Paul Airport, Lake Phalen and South Minneapolis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be aware of your surroundings and do not drive on flooded roads.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 4496 9333 4499 9327 4501 9299 4489 9299
4490 9303 4492 9305 4492 9313 4490 9315
4489 9332 4491 9332 4491 9333
PARTITION...627053
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2.5 INCHES IN 1 HOUR
$$
NDC1 follow-up statement
675
WGUS73 KMPX 152309
FFSMPX
Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
609 PM CDT Fri Aug 15 2025
MNC053-123-152319-
/O.CAN.KMPX.FF.W.0013.000000T0000Z-250815T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hennepin MN-Ramsey MN-
609 PM CDT Fri Aug 15 2025
...FLASH FLOOD WARNING IS CANCELLED FOR EAST HENNEPIN AND RAMSEY
COUNTIES...
The heavy rain has ended. Flash Flooding is no longer expected to
pose a threat. Please continue to any heed remaining road closures.
&&
LAT...LON 4496 9333 4499 9327 4501 9299 4489 9299
4490 9303 4492 9305 4492 9313 4490 9315
4489 9332 4491 9332 4491 9333
PARTITION...627053
$$
NDCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 3:42 PM CDT | Special Weather Statement | MPX | Ramsey | 33 min |
| Aug 15, 4:12 PM CDT | Special Weather Statement | MPX | Carver | 33 min |
| Aug 15, 4:37 PM CDT | Special Weather Statement | MPX | Dakota | 23 min |
| Aug 15, 4:44 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Dakota, Hennepin, Scott | 46 min |
| Aug 15, 4:50 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Washington | 55 min |
| Aug 15, 5:00 PM CDT | Special Weather Statement | MPX | Meeker | 30 min |
| Aug 15, 5:04 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin | 56 min |
| Aug 15, 5:29 PM CDT | Flash Flood Warning | MPX | Dakota, Hennepin, Washington | 107 min |
| Aug 15, 5:35 PM CDT | Special Weather Statement | MPX | Meeker | 25 min |
| Aug 15, 5:40 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 50 min |
| Aug 15, 5:47 PM CDT | Special Weather Statement | MPX | Dakota | 28 min |
| Aug 15, 5:58 PM CDT | Special Weather Statement | MPX | Washington | 32 min |
| Aug 15, 6:04 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 32 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.