Alert archive / Iowa / River Flood Warnings in 2019
River Flood Warning 186, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at May 27, 2019, 6:05 AM CDT for Cherokee County, Iowa. It took effect at May 27, 2019, 3:24 PM CDT. It was in force for 21 days.
The area
The counties it named.
The facts
- Issued
- May 27, 2019, 6:05 AM CDT (11:05 UTC)
- In effect from
- May 27, 2019, 3:24 PM CDT
- Expired
- Jun 17, 2019, 6:05 AM CDT
- In force
- 21 days
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- Minor
County Cherokee County, IA
The radar
The Sioux Falls radar (KFSD), 130 km from the middle of the area, began a volume at 11:04 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 river
Written for the forecast point Little Sioux River at Cherokee (CHKI4).
- Action stage
- 15 ft
- Minor stage
- 17 ft
- Moderate stage
- 21 ft
- Major stage
- 24 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
What forecasters said that day
The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this river flood warning went out at May 27, 4:24 AM CDT, 1 hour 41 minutes earlier.
Area forecast discussion, May 27, 4:24 AM CDT, 1 hour 41 minutes before
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</html>Hazardous weather outlook, May 27, 5:47 AM CDT, 18 minutes before
Hazardous Weather Outlook National Weather Service Sioux Falls SD 547 AM CDT Mon May 27 2019 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ013-014-SDZ040-055-056-062-066-067-069>071-281100- Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Dixon-Dakota-Brookings-Lake-Moody-Minnehaha-Turner- Yankton-Union- 547 AM CDT Mon May 27 2019 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska, east central South Dakota and southeast South Dakota. .DAY ONE...Today and tonight. Showers and thunderstorms will move across the area through early this afternoon. There will be the potential for heavy rainfall with localized flash flooding, mainly from Interstate 90 and northward. While the afternoon will be primarily dry, if storms do develop, there is a potential for them to become strong to severe this evening south of Interstate 90, with hail to the size of quarters and winds to 60 mph. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Thunderstorms may develop again on Tuesday afternoon and evening. Some of these storms could become severe, mainly south of Interstate 90, with large hail and damaging winds. In addition, heavy rain will be a possibility with these storms. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. SDZ038-039-050-052>054-057>061-063>065-068-281100- Beadle-Kingsbury-Gregory-Jerauld-Sanborn-Miner-Brule-Aurora-Davison- Hanson-McCook-Charles Mix-Douglas-Hutchinson-Bon Homme- 547 AM CDT Mon May 27 2019 This Hazardous Weather Outlook is for central South Dakota, east central South Dakota, south central South Dakota and southeast South Dakota. .DAY ONE...Today and tonight. Showers and thunderstorms will be possible across the area this morning. These storms are not expected to be severe. While the afternoon will be primarily dry, if storms do develop, there is a potential for them to become strong to severe this evening along the lower Missouri River Valley, with hail to the size of quarters and winds to 60 mph. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Thunderstorms may develop again on Tuesday afternoon and evening. Some of these storms could become severe through the lower Missouri River corridor, with large hail and damaging winds. In addition, heavy rain will be a possibility with these storms. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 8:27 AM CDT | River Flood Warning | FSD | Lyon | 5 days |
| May 27, 11:21 AM CDT | River Flood Warning | FSD | O'Brien | 21 days |
| May 27, 2:47 PM CDT | River Flood Warning | FSD | Sioux | 21 days |
| May 27, 2:58 PM CDT | River Flood Warning | FSD | Lyon, Sioux | 68 hr |
| May 27, 10:15 AM CDT | River Flood Warning | FSD | Lyon | 5 days |
Nearby
River Flood Warnings in Iowa, 2019Every river flood warning in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.