Alert archive / Iowa / River Flood Warnings in 2024

River Flood Warning 30, NWS Sioux Falls, SD

June 17, 2024Dickinson County, Iowa

NWS Sioux Falls, SD issued this river flood warning at Jun 17, 2024, 11:20 PM CDT for Dickinson County, Iowa. It was in force for 21 days.

The area

The counties it named.

The facts

Issued: Jun 17, 2024, 11:20 PM CDT (04:20 UTC)
Expired: Jul 8, 2024, 11:20 PM CDT
In force: 21 days
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Minor

County Dickinson County, IA

The radar

The Sioux Falls radar (KFSD), 129 km from the middle of the area, began a volume at 04:22 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 West Fork Little Sioux River near Lake Park (LPRI4).

Action stage: 1395 ft
Minor stage: 1396 ft
Moderate stage: 1398 ft
Major stage: 1404 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 Jun 17, 10:56 PM CDT, 24 minutes earlier.

Area forecast discussion, Jun 17, 10:56 PM CDT, 24 minutes before

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Hazardous weather outlook, Jun 17, 3:58 PM CDT, 7 hours 22 minutes before

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
358 PM CDT Mon Jun 17 2024

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-182100-
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
358 PM CDT Mon Jun 17 2024

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.

.DAY ONE...This afternoon and tonight.

A very conditional and uncertain risk for additional thunderstorms
late this afternoon through midnight. If thunderstorms develop, there
is a risk for half dollar size hail and strong winds to 60 mph into
the early overnight hours.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

A very active weather pattern is likely into the weekend, with
several chances for thunderstorms capable of marginal severe weather
and locally heavy rainfall. One slightly higher risk for severe
storms may develop Tuesday afternoon and evening along and east of
Interstate 29.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

In the hours before

Local storm report, Jun 17, 9:04 PM CDT, 2 hours 16 minutes before

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
904 PM CDT Mon Jun 17 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0442 PM     Hail             Spencer                 43.15N 95.15W
06/17/2024  M1.00 Inch       Clay               IA   Public

&&

Local storm report, Jun 17, 9:07 PM CDT, 2 hours 13 minutes before

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
907 PM CDT Mon Jun 17 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0500 PM     Hail             2 W Dickens             43.14N 95.06W
06/17/2024  E0.70 Inch       Clay               IA   Emergency Mngr

&&

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 6:16 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Lincoln, Union	16 min
Jun 17, 8:27 PM CDT	River Flood Warning	FSD	O'Brien	21 days
Jun 18, 8:53 AM CDT	River Flood Warning	FSD	Cherokee	42 hr
Jun 17, 10:53 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	20 min

Nearby

River Flood Warnings in Iowa, 2024 Every river flood warning in 2024

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.