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Flash Flood Warning 0008
Issued by the Sioux Falls Forecast Office

Action Issued Starts Expiration
New 2025-07-24 00:48:53 2025-07-24 00:48:00 2025-07-24 04:00:00
Continued 2025-07-24 02:05:25 2025-07-24 04:00:00
Expired 2025-07-24 03:50:58 2025-07-24 04:00:00


Action: New
Issued At: 2025-07-24 00:48:53

424 
WGUS53 KFSD 240548
FFWFSD
IAC149-167-NEC051-SDC027-083-125-127-240900-
/O.NEW.KFSD.FF.W.0008.250724T0548Z-250724T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Sioux Falls SD
1248 AM CDT Thu Jul 24 2025

The National Weather Service in Sioux Falls has issued a

* Flash Flood Warning for...
  Northwestern Plymouth County in northwestern Iowa...
  Western Sioux County in northwestern Iowa...
  North Central Dixon County in northeastern Nebraska...
  Eastern Clay County in southeastern South Dakota...
  Southern Lincoln County in southeastern South Dakota...
  Southeastern Turner County in southeastern South Dakota...
  Union County in southeastern South Dakota...

* Until 400 AM CDT.

* At 1248 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Estimated 2 and 4 inches of 
  rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 
  hour. Additional rainfall amounts of 1 to 3 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  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...
  Vermillion, Hawarden, Beresford, Elk Point, Akron, Alcester, 
  Merrill, Ireton, Hudson, Craig, Union Grove State Park, 
  Brunsville, Westfield and Chatsworth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4322 9692 4320 9647 4319 9624 4270 9621
      4269 9660 4269 9691 4323 9695

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR

$$

Meyers


Action: Continued
Issued At: 2025-07-24 02:05:25

580 
WGUS73 KFSD 240704
FFSFSD

Flash Flood Statement
National Weather Service Sioux Falls SD
204 AM CDT Thu Jul 24 2025

IAC149-167-NEC051-SDC027-083-125-127-240900-
/O.CON.KFSD.FF.W.0008.000000T0000Z-250724T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Plymouth IA-Sioux IA-Dixon NE-Clay SD-Lincoln SD-Turner SD-Union
SD-
204 AM CDT Thu Jul 24 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM CDT EARLY THIS 
MORNING FOR NORTHWESTERN PLYMOUTH, WESTERN SIOUX, NORTH CENTRAL 
DIXON, EASTERN CLAY, SOUTHERN LINCOLN, SOUTHEASTERN TURNER AND UNION 
COUNTIES...

At 204 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Estimated 2 and 4 inches of rain have 
fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. 
Additional rainfall amounts of 0.2 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.

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...
  Vermillion, Hawarden, Beresford, Elk Point, Akron, Alcester, 
  Merrill, Ireton, Hudson, Craig, Union Grove State Park, 
  Brunsville, Westfield and Chatsworth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4322 9692 4320 9647 4319 9624 4270 9621
      4269 9660 4269 9691 4323 9695

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR

$$

Meyers


Action: Expired
Issued At: 2025-07-24 03:50:58

669 
WGUS73 KFSD 240850
FFSFSD

Flash Flood Statement
National Weather Service Sioux Falls SD
350 AM CDT Thu Jul 24 2025

IAC149-167-NEC051-SDC027-083-125-127-240900-
/O.EXP.KFSD.FF.W.0008.000000T0000Z-250724T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Plymouth IA-Sioux IA-Dixon NE-Clay SD-Lincoln SD-Turner SD-Union
SD-
350 AM CDT Thu Jul 24 2025

...FLASH FLOOD WARNING WILL EXPIRE AT 4 AM CDT EARLY THIS MORNING 
FOR NORTHWESTERN PLYMOUTH, WESTERN SIOUX, NORTH CENTRAL DIXON, 
EASTERN CLAY, SOUTHERN LINCOLN, SOUTHEASTERN TURNER AND UNION 
COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

&&

LAT...LON 4322 9692 4320 9647 4319 9624 4270 9621
      4269 9660 4269 9691 4323 9695

$$

Meyers



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