Alert archive / Iowa / River Flood Warnings in 2017
River Flood Warning 9, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at May 17, 2017, 11:16 AM CDT for Clay County, Dickinson County, Iowa. It took effect at May 18, 2017, 10:00 PM CDT. It was in force for 24 hr.
The area
The outline as issued.
The facts
- Issued
- May 17, 2017, 11:16 AM CDT (16:16 UTC)
- In effect from
- May 18, 2017, 10:00 PM CDT
- Expired
- May 19, 2017, 10:00 PM CDT
- In force
- 24 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Clay County, IA, Dickinson County, IA
The radar
The Sioux Falls radar (KFSD), 129 km from the middle of the area, began a volume at 16:17 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 above Spencer (LSSI4).
- Action stage
- 9 ft
- Minor stage
- 10 ft
- Moderate stage
- 13 ft
- Major stage
- 15 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 06604440, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
928
WGUS43 KFSD 171616
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Sioux Falls SD
1116 AM CDT Wed May 17 2017
...The National Weather Service in Sioux Falls has issued a flood
warning for the following rivers in Iowa...South Dakota...
Big Sioux River above Hawarden
Big Sioux River At Akron
Ocheyedan River Near Spencer
Little Sioux River Above Spencer
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest
forecasts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Do not drive cars through flooded areas. the water
depth and road condition may be unsafe.
Additional information is available at
http://water.weather.gov/ahps2/index.php?wfo=fsd
Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.
The next scheduled statement will be issued tomorrow morning.
&&
IAC149-167-SDC127-182016-
/O.NEW.KFSD.FL.W.0006.170519T2040Z-170522T0645Z/
/HWDI4.1.ER.170519T2040Z.170521T0000Z.170522T0045Z.UU/
1116 AM CDT Wed May 17 2017
The National Weather Service in Sioux Falls has issued a
* Flood Warning for
The Big Sioux River above Hawarden.
* from Friday afternoon to late Sunday night.
* At 10AM Wednesday the stage was 15.8 feet.
* Minor flooding is forecast.
* Flood stage is 19.0 feet.
* Forecast...The river will crest near 20.9 feet on Saturday.
&&
LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
4303 9654 4312 9654
$$
IAC149-SDC127-182016-
/O.NEW.KFSD.FL.W.0007.170520T2024Z-170523T0834Z/
/AKRI4.1.ER.170520T2024Z.170521T1200Z.170522T0834Z.NO/
1116 AM CDT Wed May 17 2017
The National Weather Service in Sioux Falls has issued a
* Flood Warning for
The Big Sioux River At Akron.
* from Saturday afternoon to late Monday night.
* At 11AM Wednesday the stage was 10.3 feet.
* Minor flooding is forecast.
* Flood stage is 16.0 feet.
* Forecast...The river will crest near 16.7 feet on Sunday.
* At stages near 17.0 feet...About 6500 acres of farm land are
flooded.
&&
LAT...LON 4296 9657 4296 9645 4286 9652 4273 9648
4273 9669 4277 9667
$$
IAC041-182016-
/O.NEW.KFSD.FL.W.0008.170519T0000Z-170522T0400Z/
/SPOI4.1.ER.170519T0000Z.170519T1800Z.170521T0400Z.NO/
1116 AM CDT Wed May 17 2017
The National Weather Service in Sioux Falls has issued a
* Flood Warning for
The Ocheyedan River Near Spencer.
* from Thursday evening to Sunday evening.
* At 10AM Wednesday the stage was 4.2 feet.
* Minor flooding is forecast.
* Flood stage is 8.0 feet.
* Forecast...The river will crest near 8.9 feet on Friday.
* At stages near 9.5 feet...Significant amounts of pasture and other
farm land begin flooding.
&&
LAT...LON 4318 9540 4318 9533 4315 9520 4313 9513
4312 9524 4315 9540
$$
IAC041-059-182016-
/O.NEW.KFSD.FL.W.0009.170519T0300Z-170520T0300Z/
/LSSI4.1.ER.170519T0300Z.170519T1200Z.170519T2100Z.UU/
1116 AM CDT Wed May 17 2017
The National Weather Service in Sioux Falls has issued a
* Flood Warning for
The Little Sioux River Above Spencer.
* from Thursday evening to Friday evening.
* At 7AM Wednesday the stage was estimated at 6.4 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will crest near 10.2 feet on Friday.
* At stages near 10.0 feet...Minor flooding of agricultural lands
begins.
&&
LAT...LON 4329 9524 4328 9517 4324 9523 4315 9512
4315 9518 4324 9529
$$
IAC041-182016-
/O.NEW.KFSD.FL.W.0010.170518T1400Z-000000T0000Z/
/SPWI4.1.ER.170518T1400Z.170519T1800Z.000000T0000Z.NO/
1116 AM CDT Wed May 17 2017
The National Weather Service in Sioux Falls has issued a
* Flood Warning for
The Little Sioux River At Spencer.
* from Thursday morning until further notice.
* At 09AM Wednesday the stage was 7.2 feet.
* Minor flooding is forecast.
* Flood stage is 10.0 feet.
* Forecast...Rise above flood stage by 9 AM Thursday and crest
near 11.9 feet on Friday.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-182016-
/O.NEW.KFSD.FL.W.0011.170520T0000Z-000000T0000Z/
/LNNI4.1.ER.170520T0000Z.170522T0600Z.000000T0000Z.NO/
1116 AM CDT Wed May 17 2017
The National Weather Service in Sioux Falls has issued a
* Flood Warning for
The Little Sioux River At Linn Grove.
* from Friday evening until further notice.
* At 11AM Wednesday the stage was 16.9 feet.
* Minor flooding is forecast.
* Flood stage is 18.0 feet.
* Forecast...Rise above flood stage by 7 PM Friday and crest
near 19.0 feet on Monday.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
Location Flood Latest Observed Maximum Forecast
Stage Stage Time Stage Time
BIG SIOUX RIVER
HWDI4 19.0 15.76 Wed 10 AM 20.9 Sat 7 PM
AKRI4 16.0 10.27 Wed 11 AM 16.7 Sun 7 AM
OCHEYEDAN RIVER
SPOI4 8.0 4.16 Wed 11 AM 8.9 Fri 1 PM
LITTLE SIOUX RIVER
LSSI4 10.0 E6.40 Wed 7 AM 10.2 Fri 7 AM
SPWI4 10.0 7.16 Wed 9 AM 11.9 Fri 1 PM
LNNI4 18.0 16.94 Wed 11 AM 19.0 Mon 1 AM
MG2 follow-up statements
595
WGUS83 KFSD 180240
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
940 PM CDT Wed May 17 2017
...The Flood Warning continues for the following rivers in Iowa
and South Dakota...
Big Sioux River above Hawarden
Big Sioux River At Akron
Ocheyedan River Near Spencer
Little Sioux River Above Spencer
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest
forecasts.
Heavy rainfall on Wednesday has several area rivers on the rise. River
levels will continue to climb the next couple of days due to continued
runoff along with additional rainfall expected Friday and Saturday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Do not drive cars through flooded areas. the water
depth and road condition may be unsafe.
Additional information is available at
http://water.weather.gov/ahps2/index.php?wfo=fsd
Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.
The next scheduled statement will be issued tomorrow morning.
&&
IAC149-167-SDC127-190640-
/O.CON.KFSD.FL.W.0006.170519T2040Z-170522T0645Z/
/HWDI4.1.ER.170519T2040Z.170521T0000Z.170522T0045Z.UU/
940 PM CDT Wed May 17 2017
The Flood Warning continues for
The Big Sioux River above Hawarden.
* from Friday afternoon to late Sunday night.
* At 8PM Wednesday the stage was 15.8 feet.
* Flood stage is 19.0 feet.
&&
LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
4303 9654 4312 9654
$$
IAC149-SDC127-190640-
/O.CON.KFSD.FL.W.0007.170520T2024Z-170523T0834Z/
/AKRI4.1.ER.170520T2024Z.170521T1200Z.170522T0834Z.NO/
940 PM CDT Wed May 17 2017
The Flood Warning continues for
The Big Sioux River At Akron.
* from Saturday afternoon to late Monday night.
* At 9PM Wednesday the stage was 10.6 feet.
* Flood stage is 16.0 feet.
* At stages near 17.0 feet...About 6500 acres of farm land are
flooded.
&&
LAT...LON 4296 9657 4296 9645 4286 9652 4273 9648
4273 9669 4277 9667
$$
IAC041-190640-
/O.CON.KFSD.FL.W.0008.170519T0000Z-170522T0400Z/
/SPOI4.1.ER.170519T0000Z.170519T1800Z.170521T0400Z.NO/
940 PM CDT Wed May 17 2017
The Flood Warning continues for
The Ocheyedan River Near Spencer.
* from Thursday evening to Sunday evening.
* At 8PM Wednesday the stage was 4.6 feet.
* Flood stage is 8.0 feet.
* At stages near 9.5 feet...Significant amounts of pasture and other
farm land begin flooding.
&&
LAT...LON 4318 9540 4318 9533 4315 9520 4313 9513
4312 9524 4315 9540
$$
IAC041-059-190640-
/O.CON.KFSD.FL.W.0009.170519T0300Z-170520T0300Z/
/LSSI4.1.ER.170519T0300Z.170519T1200Z.170519T2100Z.UU/
940 PM CDT Wed May 17 2017
The Flood Warning continues for
The Little Sioux River Above Spencer.
* from Thursday evening to Friday evening.
* At 9PM the stage was estimated at 7.2 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will crest near 10 feet on Friday.
* At stages near 10.0 feet...Minor flooding of agricultural lands
begins.
&&
LAT...LON 4329 9524 4328 9517 4324 9523 4315 9512
4315 9518 4324 9529
$$
IAC041-190640-
/O.CON.KFSD.FL.W.0010.170518T1400Z-000000T0000Z/
/SPWI4.1.ER.170518T1400Z.170519T1800Z.000000T0000Z.NO/
940 PM CDT Wed May 17 2017
The Flood Warning continues for
The Little Sioux River At Spencer.
* from Thursday morning until further notice.
* At 8PM Wednesday the stage was 7.7 feet.
* Flood stage is 10.0 feet.
* Forecast...Rise above flood stage by Thursday May 18 and continue
to rise to near 11.9 feet by Friday May 19. additional rises are
possible thereafter.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-190639-
/O.CON.KFSD.FL.W.0011.170520T0000Z-000000T0000Z/
/LNNI4.1.ER.170520T0000Z.170522T0600Z.000000T0000Z.NO/
940 PM CDT Wed May 17 2017
The Flood Warning continues for
The Little Sioux River At Linn Grove.
* from Friday evening until further notice.
* At 9PM Wednesday the stage was 17.0 feet.
* Flood stage is 18.0 feet.
* Forecast...Rise above flood stage by Friday May 19 and continue to
rise to near 19.0 feet by Monday May 22. additional rises are
possible thereafter.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
Location Flood Latest Observed Maximum Forecast
Stage Stage Time Stage Time
BIG SIOUX RIVER
HWDI4 19.0 15.79 Wed 8 PM 20.9 Sat 7 PM
AKRI4 16.0 10.56 Wed 9 PM 16.7 Sun 7 AM
OCHEYEDAN RIVER
SPOI4 8.0 4.62 Wed 9 PM 8.9 Fri 1 PM
LITTLE SIOUX RIVER
LSSI4 10.0 E7.20 Wed 9 PM 10.2 Fri 7 AM
SPWI4 10.0 7.66 Wed 8 PM 11.9 Fri 1 PM
LNNI4 18.0 16.99 Wed 9 PM 19.0 Mon 1 AM
BA416
WGUS83 KFSD 181456
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
956 AM CDT Thu May 18 2017
...The Flood Warning is cancelled for the following rivers in Iowa...
South Dakota...
Big Sioux River above Hawarden
Big Sioux River At Akron
Ocheyedan River Near Spencer
Little Sioux River Above Spencer
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest
forecasts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Do not drive cars through flooded areas. the water
depth and road condition may be unsafe.
Additional information is available at
http://water.weather.gov/ahps2/index.php?wfo=fsd
Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.
The next scheduled statement will be issued tomorrow morning.
&&
IAC149-167-SDC127-181526-
/O.CAN.KFSD.FL.W.0006.000000T0000Z-170522T0645Z/
/HWDI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
956 AM CDT Thu May 18 2017
The Flood Warning is cancelled for
The Big Sioux River above Hawarden.
* At 09AM Thursday the stage was 16.2 feet.
* Flood stage is 19.0 feet.
* Forecast...The river will crest below flood stage at 18.9 feet
Saturday May 20.
* At stages near 19.0 feet...Agricultural flooding begins on the
South Dakota side of the river.
&&
LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
4303 9654 4312 9654
$$
IAC149-SDC127-181526-
/O.CAN.KFSD.FL.W.0007.000000T0000Z-170523T0834Z/
/AKRI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
956 AM CDT Thu May 18 2017
The Flood Warning is cancelled for
The Big Sioux River At Akron.
* At 09AM Thursday the stage was 10.6 feet.
* Flood stage is 16.0 feet.
* Forecast...The river will crest below flood stage at 15.1 feet
Sunday May 21.
* At stages near 15.0 feet...Some rural roads on the South Dakota
side of the river begin to flood.
&&
LAT...LON 4296 9657 4296 9645 4286 9652 4273 9648
4273 9669 4277 9667
$$
IAC041-181526-
/O.CAN.KFSD.FL.W.0008.000000T0000Z-170522T0400Z/
/SPOI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
956 AM CDT Thu May 18 2017
The Flood Warning is cancelled for
The Ocheyedan River Near Spencer.
* At 09AM Thursday the stage was 4.9 feet.
* Flood stage is 8.0 feet.
* Forecast...The river will crest below flood stage at 6.5 feet
Friday May 19.
&&
LAT...LON 4318 9540 4318 9533 4315 9520 4313 9513
4312 9524 4315 9540
$$
IAC041-059-181526-
/O.CAN.KFSD.FL.W.0009.000000T0000Z-170520T0300Z/
/LSSI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
956 AM CDT Thu May 18 2017
The Flood Warning is cancelled for
The Little Sioux River Above Spencer.
* At 7AM Thursday the stage was estimated at 7.6 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will crest below flood stage at 8.1 feet
Friday May 19.
&&
LAT...LON 4329 9524 4328 9517 4324 9523 4315 9512
4315 9518 4324 9529
$$
IAC041-181526-
/O.CAN.KFSD.FL.W.0010.000000T0000Z-170518T1456Z/
/SPWI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
956 AM CDT Thu May 18 2017
The Flood Warning is cancelled for
The Little Sioux River At Spencer.
* At 09AM Thursday the stage was 7.9 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will crest below flood stage at 9.3 feet
Friday May 19.
* At stages near 9.5 feet...The lower left bank overflows and very
minor flooding of low lands begins.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-181526-
/O.CAN.KFSD.FL.W.0011.000000T0000Z-170518T1456Z/
/LNNI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
956 AM CDT Thu May 18 2017
The Flood Warning is cancelled for
The Little Sioux River At Linn Grove.
* At 09AM Thursday the stage was 17.1 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will crest below flood stage at 17.7 feet
Saturday May 20.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
Location Flood Latest Observed Maximum Forecast
Stage Stage Time Stage Time
BIG SIOUX RIVER
HWDI4 19.0 16.22 Thu 9 AM 18.9 Sat 7 AM
AKRI4 16.0 10.62 Thu 9 AM 15.1 Sun 7 AM
OCHEYEDAN RIVER
SPOI4 8.0 4.91 Thu 10 AM 6.5 Fri 1 PM
LITTLE SIOUX RIVER
LSSI4 10.0 E7.60 Thu 7 AM 8.1 Thu 7 PM
SPWI4 10.0 7.93 Thu 9 AM 9.3 Fri 1 PM
LNNI4 18.0 17.08 Thu 9 AM 17.7 Sat 7 PM
MGThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 7:43 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 33 min |
| May 16, 8:22 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 23 min |
| May 17, 11:16 AM CDT | River Flood Warning | FSD | Clay | 24 hr |
| May 17, 11:16 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 24 hr |
| May 17, 11:16 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 5 days |
| May 17, 11:16 AM CDT | River Flood Warning | FSD | Plymouth | 6 days |
| May 17, 11:16 AM CDT | River Flood Warning | FSD | Clay | 4 days |
| May 17, 1:33 PM CDT | Tornado Warning | FSD | Sioux | 27 min |
| May 17, 1:56 PM CDT | Tornado Warning | FSD | Sioux | 34 min |
| May 17, 2:03 PM CDT | Tornado Warning | FSD | Sioux | 27 min |
| May 17, 2:28 PM CDT | Tornado Warning | FSD | Lyon, Sioux | 32 min |
| May 17, 2:34 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 26 min |
| May 17, 3:01 PM CDT | Tornado Warning | FSD | Lyon | 29 min |
Nearby
River Flood Warnings in Iowa, 2017Every river flood warning in 2017
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.