Flash Flood Warning 21, NWS Sioux Falls, SD

524 
WGUS73 KFSD 220208
FFSFSD

Flash Flood Statement
National Weather Service Sioux Falls SD
908 PM CDT Fri Jun 21 2024

IAC119-167-MNC133-SDC009-027-067-083-087-099-125-135-220430-
/O.CON.KFSD.FF.W.0021.000000T0000Z-240622T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lyon IA-Sioux IA-Rock MN-Bon Homme SD-Clay SD-Hutchinson SD-
Lincoln SD-McCook SD-Minnehaha SD-Turner SD-Yankton SD-
908 PM CDT Fri Jun 21 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT THIS 
EVENING FOR WESTERN LYON, WESTERN SIOUX, SOUTHWESTERN ROCK, EASTERN 
BON HOMME, NORTHWESTERN CLAY, SOUTHEASTERN HUTCHINSON, LINCOLN, 
SOUTHEASTERN MCCOOK, SOUTHERN MINNEHAHA, TURNER AND YANKTON 
COUNTIES...

At 908 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 0.5 and 2 inches of rain have 
fallen so far this evening. The expected rainfall rate is 1 to 3 
inches in 1 hour through about midnight. 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...
  Sioux Falls, Yankton, Canton, Tyndall, Parker, Lewis And Clark 
  State Recreation Area, Brandon, Harrisburg, Tea, Hartford, Lennox, 
  Springfield, Freeman, Crooks, Garretson, Wall Lake, Centerville, 
  Worthing and Larchwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 4346 9736 4378 9645 4327 9644 4286 9737
      4287 9741 4285 9744 4286 9761 4284 9769
      4287 9783 4286 9788 4283 9788 4317 9794

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

$$

Weisser

912 
WGUS73 KFSD 220425
FFSFSD

Flash Flood Statement
National Weather Service Sioux Falls SD
1125 PM CDT Fri Jun 21 2024

IAC119-167-MNC133-SDC009-027-067-083-087-099-125-135-220435-
/O.EXP.KFSD.FF.W.0021.000000T0000Z-240622T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lyon IA-Sioux IA-Rock MN-Bon Homme SD-Clay SD-Hutchinson SD-
Lincoln SD-McCook SD-Minnehaha SD-Turner SD-Yankton SD-
1125 PM CDT Fri Jun 21 2024

...FLASH FLOOD WARNING WILL EXPIRE AT 1130 PM CDT THIS EVENING FOR 
WESTERN LYON, WESTERN SIOUX, SOUTHWESTERN ROCK, EASTERN BON HOMME, 
NORTHWESTERN CLAY, SOUTHEASTERN HUTCHINSON, LINCOLN, SOUTHEASTERN 
MCCOOK, SOUTHERN MINNEHAHA, TURNER AND YANKTON COUNTIES...

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

A Flood Watch remains in effect until 700 AM CDT Saturday for 
portions of northwest Iowa, southwest Minnesota, northeast Nebraska, 
and South Dakota.

&&

LAT...LON 4346 9736 4378 9645 4327 9644 4286 9737
      4287 9741 4285 9744 4286 9761 4284 9769
      4287 9783 4286 9788 4283 9788 4317 9794

$$

IG