Alert archive / South Dakota / River Flood Warnings in 2011
River Flood Warning 76, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at May 22, 2011, 10:52 AM CDT for Minnehaha County, Moody County, South Dakota. It took effect at May 23, 2011, 1:00 PM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- May 22, 2011, 10:52 AM CDT (15:52 UTC)
- In effect from
- May 23, 2011, 1:00 PM CDT
- Expired
- May 23, 2011, 9:06 AM CDT
- In force
- Issued by
- NWS Sioux Falls, SD
- Flood severity
- Minor
Counties Minnehaha County, SD, Moody County, SD
The radar
The Sioux Falls radar (KFSD), 29 km from the middle of the area, began a volume at 15:55 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 Big Sioux River near Dell Rapids (DERS2). The gauge peaked at 11.96 ft at May 24, 2011, 9:00 AM CDT.
- Action stage
- 10 ft
- Minor stage
- 12 ft
- Moderate stage
- 14 ft
- Major stage
- 15 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 06481000, 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, in the capitals the NWS used until 2016.
225
WGUS43 KFSD 221552
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1052 AM CDT SUN MAY 22 2011
...THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN SOUTH DAKOTA...
BIG SIOUX RIVER NEAR DELL RAPIDS
.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://WWW.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.
&&
SDC099-101-231952-
/O.NEW.KFSD.FL.W.0076.110523T1800Z-110525T1800Z/
/DERS2.1.ER.110523T1800Z.110524T0000Z.110524T1800Z.NO/
1052 AM CDT SUN MAY 22 2011
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLOOD WARNING FOR
THE BIG SIOUX RIVER NEAR DELL RAPIDS.
* FROM MONDAY AFTERNOON TO WEDNESDAY AFTERNOON.
* AT 10AM SUNDAY THE STAGE WAS 11.0 FEET.
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 12.0 FEET...AGRICULTURAL LANDS ALONG THE LOWER BANKS
OF THE RIVER BEGIN TO FLOOD.
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
BIG SIOUX RIVER
DERS2 12.0 11.01 SUN 10 AM 12.1 MON 7 PM1 follow-up statement
207
WGUS83 KFSD 231406
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
906 AM CDT MON MAY 23 2011
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN SOUTH
DAKOTA...
BIG SIOUX RIVER NEAR DELL RAPIDS
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN SOUTH
DAKOTA...IOWA...
BIG SIOUX RIVER NEAR BRUCE
BIG SIOUX RIVER NEAR BROOKINGS
BIG SIOUX RIVER AT HAWARDEN
BIG SIOUX RIVER AT AKRON
LITTLE SIOUX RIVER AT SPENCER
LITTLE SIOUX RIVER AT LINN GROVE
.THE FOLLOWING RIVER FORECASTS INCLUDE FORECAST PRECIPITATION THROUGH
TONIGHT. ANY ADDITIONAL FUTURE RAINS COULD AFFECT THE CREST
FORECASTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT DRIVE CARS THROUGH FLOODED AREAS. THE WATER
DEPTH AND ROAD CONDITION MAY BE UNSAFE.
ADDITIONAL INFORMATION IS AVAILABLE AT
HTTP://WWW.WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=FSD
STAY TUNED FOR FURTHER UPDATES BY LISTENING TO NOAA WEATHER RADIO...
OR YOUR LOCAL RADIO AND TV STATIONS.
THE NEXT SCHEDULED STATEMENT WILL BE ISSUED TOMORROW MORNING.
&&
SDC011-241806-
/O.CON.KFSD.FL.W.0044.000000T0000Z-000000T0000Z/
/BRCS2.3.ER.110320T0515Z.110328T1430Z.000000T0000Z.NR/
906 AM CDT MON MAY 23 2011
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER NEAR BRUCE.
* UNTIL FURTHER NOTICE.
* AT 08AM MONDAY THE STAGE WAS 9.1 FEET.
* FLOOD STAGE IS 8.0 FEET.
* AT STAGES NEAR 9.5 FEET...THE RIGHT BANK OVERFLOWS FLOODING
AGRICULTURAL LANDS FOR AS MUCH AS 1/4 MILE.
$$
SDC011-101-241805-
/O.EXT.KFSD.FL.W.0020.000000T0000Z-110529T0600Z/
/BRKS2.3.SM.110319T1930Z.110325T0146Z.110528T0600Z.NO/
906 AM CDT MON MAY 23 2011
...FLOOD WARNING EXTENDED UNTIL 1 AM SUNDAY...
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER NEAR BROOKINGS.
* UNTIL LATE SATURDAY NIGHT.
* AT 08AM MONDAY THE STAGE WAS 9.9 FEET.
* FLOOD STAGE IS 9.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 10.3 FEET BY TUESDAY MAY 24.
THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY MAY 28.
* AT STAGES NEAR 10.3 FEET...473RD AVENUE NORTH OF THE GAGE BEGINS TO
FLOOD.
$$
SDC099-101-231436-
/O.CAN.KFSD.FL.W.0076.000000T0000Z-110525T1800Z/
/DERS2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
906 AM CDT MON MAY 23 2011
THE FLOOD WARNING IS CANCELLED FOR
THE BIG SIOUX RIVER NEAR DELL RAPIDS.
* AT 08AM MONDAY THE STAGE WAS 11.6 FEET.
* FLOOD STAGE IS 12.0 FEET.
* FORECAST...THE RIVER WILL CREST BELOW FLOOD STAGE AT 11.9 FEET.
* AT STAGES NEAR 12.0 FEET...AGRICULTURAL LANDS ALONG THE LOWER BANKS
OF THE RIVER BEGIN TO FLOOD.
$$
IAC167-SDC083-127-241805-
/O.EXT.KFSD.FL.W.0072.000000T0000Z-110529T0600Z/
/HAWI4.1.ER.110522T1500Z.110525T0600Z.110528T0600Z.NO/
906 AM CDT MON MAY 23 2011
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER AT HAWARDEN.
* UNTIL LATE SATURDAY NIGHT.
* AT 07AM MONDAY THE STAGE WAS 15.7 (ESTIMATED) FEET.
* FLOOD STAGE IS 15.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON SUNDAY MAY
22.
* FORECAST...THE RIVER WILL CREST NEAR 17.1 FEET BY WEDNESDAY MAY 25.
THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY MAY 28.
$$
IAC149-SDC127-241805-
/O.EXT.KFSD.FL.W.0073.000000T0000Z-110529T0300Z/
/AKRI4.1.ER.000000T0000Z.110525T1800Z.110528T0300Z.NO/
906 AM CDT MON MAY 23 2011
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER AT AKRON.
* UNTIL SATURDAY EVENING.
* AT 08AM MONDAY THE STAGE WAS 16.6 FEET.
* FLOOD STAGE IS 16.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 17.5 FEET BY WEDNESDAY MAY 25.
THE RIVER WILL FALL BELOW FLOOD STAGE FRIDAY MAY 27.
* AT STAGES NEAR 17.0 FEET...ABOUT 6500 ACRES OF FARM LAND ARE
FLOODED.
$$
IAC041-241805-
/O.EXT.KFSD.FL.W.0074.000000T0000Z-110527T1600Z/
/SPWI4.1.ER.000000T0000Z.110523T1800Z.110526T1600Z.NO/
906 AM CDT MON MAY 23 2011
...FLOOD WARNING EXTENDED UNTIL 11 AM FRIDAY...
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER AT SPENCER.
* UNTIL FRIDAY MORNING.
* AT 07AM MONDAY THE STAGE WAS 11.6 (ESTIMATED) FEET.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 11.7 FEET THIS AFTERNOON AND
FALL BELOW FLOOD STAGE BY THURSDAY MAY 26.
$$
IAC021-041-241805-
/O.CON.KFSD.FL.W.0075.000000T0000Z-110528T0000Z/
/LNNI4.1.ER.110523T0501Z.000000T0000Z.110527T0000Z.NO/
906 AM CDT MON MAY 23 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER AT LINN GROVE.
* UNTIL FRIDAY EVENING.
* AT 08AM MONDAY THE STAGE WAS 18.1 FEET.
* FLOOD STAGE IS 18.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON MONDAY MAY
23.
* FORECAST...THE RIVER WILL CREST NEAR 18.3 FEET BY WEDNESDAY MAY 25.
THE RIVER WILL FALL BELOW FLOOD STAGE THURSDAY MAY 26.
* AT STAGES NEAR 18.5 FEET...THE CITY PARK IN SIOUX RAPIDS IS
FLOODED.
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
BIG SIOUX RIVER
BRCS2 8.0 9.14 MON 9 AM 9.4 FRI MAY 13
BRKS2 9.0 9.88 MON 9 AM 10.3 TUE 7 AM
DERS2 12.0 11.63 MON 8 AM 11.9 TUE 7 AM
HAWI4 15.0 E15.70 MON 7 AM 17.1 WED 1 AM
AKRI4 16.0 16.59 MON 8 AM 17.5 WED 1 PM
LITTLE SIOUX RIVER
SPWI4 10.0 E11.60 MON 7 AM 11.7 MON 1 PM
LNNI4 18.0 18.10 MON 8 AM 18.3 TUE 7 AM
MGThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:05 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Turner | 25 min |
| May 21, 7:28 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner | 32 min |
| May 21, 7:38 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 37 min |
| May 21, 7:49 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 26 min |
| May 21, 8:16 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 29 min |
| May 21, 8:39 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 36 min |
Nearby
River Flood Warnings in South Dakota, 2011Every river flood warning in 2011
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.