Alert archive / Iowa / River Flood Warnings in 2024

River Flood Warning 28, NWS Sioux Falls, SD

June 17, 2024Clay County, Iowa

NWS Sioux Falls, SD issued this river flood warning at Jun 17, 2024, 8:28 AM CDT for Clay County, Iowa. It took effect at Jun 17, 2024, 8:27 PM CDT. It was in force for 15 days.

The area

The counties it named.

The facts

Issued
Jun 17, 2024, 8:28 AM CDT (13:28 UTC)
In effect from
Jun 17, 2024, 8:27 PM CDT
Expired
Jul 2, 2024, 10:55 AM CDT
In force
15 days
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Flood severity
Minor

County Clay County, IA

The radar

The Sioux Falls radar (KFSD), 139 km from the middle of the area, began a volume at 13:29 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 Ocheyedan River near Spencer (SPOI4).

Action stage
7 ft
Minor stage
8 ft
Moderate stage
9.5 ft
Major stage
10.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06605000, 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, 6:22 AM CDT, 2 hours 6 minutes earlier.

Area forecast discussion, Jun 17, 6:22 AM CDT, 2 hours 6 minutes before
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Hazardous weather outlook, Jun 17, 4:52 AM CDT, 3 hours 36 minutes before
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
452 AM CDT Mon Jun 17 2024

MNZ071-072-080-081-097-SDZ038>040-052>059-181000-
Lincoln-Lyon-Murray-Cottonwood-Pipestone-Beadle-Kingsbury-
Brookings-Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-
452 AM CDT Mon Jun 17 2024

This Hazardous Weather Outlook is for portions of southwest
Minnesota, central South Dakota, east central South Dakota, south
central South Dakota, and southeast South Dakota.

.DAY ONE...Today and Tonight

Showers and thunderstorms will continue through at least the early
afternoon hours of Monday. Severe storms are not anticipated.

A very conditional and uncertain risk for thunderstorms will
develop early this evening and continue through midnight. If
thunderstorms could develop, there may be a risk for ping pong
ball 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 through the next week,
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 activity may be needed Monday evening.

IAZ001>003-012>014-022-MNZ089-090-098-SDZ060>062-066-067-070-
181000-
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Buena Vista-Nobles-
Jackson-Rock-Hanson-McCook-Minnehaha-Turner-Lincoln-
452 AM CDT Mon Jun 17 2024

This Hazardous Weather Outlook is for portions of northwest Iowa,
southwest Minnesota, and southeast South Dakota.

.DAY ONE...Today and Tonight

Thunderstorms will continue through mid-day Monday, with some
continued potential for brief wind gusts to 40 to 60 mph focused
along the Missouri River and areas of Northwest Iowa. The risk
for these strong wind gusts will diminish by sunrise.

However, heavy rain will continue to fall, with total potential
rain totals of 1 to 3 inches by early afternoon. This rainfall
may lead to rises on area streams and rivers, as well as ponding
water in fields.

A very uncertain risk for thunderstorms returns late Monday
afternoon and Monday evening, though development may be rather
isolated. If storms form, the primary risk will be ping pong ball
size hail and brief strong wind gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

A very active weather pattern is likely through the next week,
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. A line of storms may form bringing a risk
for localized damaging wind gusts and ping pong ball size hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today, however rainfall
totals are appreciated.

SDZ050-063>065-068-069-181000-
Gregory-Charles Mix-Douglas-Hutchinson-Bon Homme-Yankton-
452 AM CDT Mon Jun 17 2024

This Hazardous Weather Outlook is for portions of south central
South Dakota and southeast South Dakota.

.DAY ONE...Today and Tonight

Thunderstorms will continue through late Monday morning, bringing
additional rainfall. This rainfall, on top of the 1 to 3 inches of
rainfall overnight may lead to rises on area streams, rivers, and
pond of water in flatland areas.

Isolated thunderstorms may develop late Monday afternoon and
evening, bringing a risk for large hail and damaging winds. This
risk will diminish late Monday evening.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

A very active weather pattern is likely through the next week,
with several chances for thunderstorms capable of marginal severe
weather and locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected today, however rainfall reports
are appreciated.

IAZ020-021-031-032-NEZ013-014-SDZ071-181000-
Plymouth-Cherokee-Woodbury-Ida-Dixon-Dakota-Union-
452 AM CDT Mon Jun 17 2024

This Hazardous Weather Outlook is for portions of northwest Iowa,
west central Iowa, northeast Nebraska, and southeast South
Dakota.

.DAY ONE...Today and Tonight

Thunderstorms will continue through mid-day Monday, with some
continued potential for brief wind gusts to 40 to 60 mph focused
along the Missouri River and areas of Northwest Iowa. The risk
for these strong wind gusts will diminish by sunrise.

However, heavy rain will continue to fall, with total potential
rain totals of 1 to 4 inches by early afternoon. This rainfall
may lead to rises on area streams and rivers, as well as ponding
water in fields. Localized flash flooding may also be possible in
and around the Sioux City area.

A very uncertain risk for thunderstorms returns late Monday
afternoon and Monday evening, though development may be rather
isolated. If storms form, the primary risk will be ping pong ball
size hail and brief strong wind gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

A very active weather pattern is likely through the next week,
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. A line of storms may form bringing a risk
for localized damaging wind gusts and ping pong ball size hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today, however rainfall
totals are appreciated.

In the hours before

Local storm report, Jun 17, 3:25 AM CDT, 5 hours 3 minutes before
Preliminary Local Storm Report
National Weather Service Sioux Falls SD
325 AM CDT Mon Jun 17 2024

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

0317 AM     Tstm Wnd Gst     2 S Windom              43.85N 95.12W
06/17/2024  M54 MPH          Jackson            MN   Mesonet

            Personal Weather Station.

&&

Dux
Local storm report, Jun 17, 3:55 AM CDT, 4 hours 33 minutes before
Preliminary Local Storm Report
National Weather Service Sioux Falls SD
355 AM CDT Mon Jun 17 2024

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

0335 AM     Tstm Wnd Gst     1 ENE Jackson           43.63N 94.97W
06/17/2024  M53 MPH          Jackson            MN   AWOS

            AWOS station KMJQ Jackson Airport.

&&

Dux
Local storm report, Jun 17, 7:28 AM CDT, 1 hour before
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Local storm report, Jun 17, 7:39 AM CDT, 49 minutes before
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Local storm report, Jun 17, 7:41 AM CDT, 47 minutes before
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Local storm report, Jun 17, 7:44 AM CDT, 44 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 10:13 PM CDTSevere Thunderstorm WarningFSDCharles Mix, Gregory47 min
Jun 16, 11:48 PM CDTFlash Flood WarningFSDCharles Mix, Gregory6 hr
Jun 17, 4:54 AM CDTFlash Flood WarningFSDClay, Union6 hr
Jun 16, 7:58 PM CDTRiver Flood WarningFSDClay31 days
Jun 16, 7:58 PM CDTRiver Flood WarningFSDDickinson22 days
Jun 16, 7:58 PM CDTRiver Flood WarningFSDClay32 days
Jun 17, 2:30 AM CDTSevere Thunderstorm Warning Considerable damage threatFSDDickinson, Osceola45 min
Jun 17, 2:58 AM CDTSevere Thunderstorm WarningFSDDickinson, Osceola47 min
Jun 17, 4:13 PM CDTSevere Thunderstorm WarningFSDClay32 min
Jun 17, 4:41 PM CDTSevere Thunderstorm WarningFSDClay34 min
Jun 17, 5:10 PM CDTSevere Thunderstorm Warning Considerable damage threatFSDClay, Dickinson35 min

Nearby

River Flood Warnings in Iowa, 2024Every 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.