Alert archive / Iowa / River Flood Warnings in 2011
River Flood Warning 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at Feb 18, 2011, 2:02 AM CST for Clay County, Dickinson County, Iowa. It was in force for 33 hr.
The area
The counties it named.
The facts
- Issued
- Feb 18, 2011, 2:02 AM CST (08:02 UTC)
- Expired
- Feb 19, 2011, 10:47 AM CST
- In force
- 33 hr
- Issued by
- NWS Sioux Falls, SD
- Flood severity
- Minor
Counties Clay County, IA, Dickinson County, IA
The radar
The Sioux Falls radar (KFSD), 134 km from the middle of the area, began a volume at 08:02 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). The gauge peaked at 10.56 ft at Feb 18, 2011, 4:00 AM CST.
- 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, in the capitals the NWS used until 2016.
228
WGUS43 KFSD 180802
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
202 AM CST FRI FEB 18 2011
...THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN IOWA...
LITTLE SIOUX RIVER ABOVE SPENCER
.THE FOLLOWING RIVER FORECASTS INCLUDE FORECAST PRECIPITATION THROUGH
THIS AFTERNOON. ANY ADDITIONAL FUTURE RAINS COULD AFFECT THE CREST
FORECASTS.
due to recent warm weather and rapid melting of snow area creeks...streams
and rivers are rising.
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.
&&
IAC041-059-191202-
/O.NEW.KFSD.FL.W.0001.110218T0802Z-000000T0000Z/
/LSSI4.1.ER.110218T0240Z.110218T0715Z.000000T0000Z.UU/
202 AM CST FRI FEB 18 2011
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLOOD WARNING FOR
THE LITTLE SIOUX RIVER ABOVE SPENCER.
* UNTIL FURTHER NOTICE.
* AT 01AM FRIDAY THE STAGE WAS 10.5 FEET.
* FLOOD STAGE IS 10.0 FEET.
* AT STAGES NEAR 10.0 FEET...MINOR FLOODING OF AGRICULTURAL LANDS
BEGINS.
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
LITTLE SIOUX RIVER
LSSI4 10.0 10.50 FRI 1 AM M 10.5 FRI FEB 184 follow-up statements
646
WGUS43 KFSD 181459
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
858 AM CST FRI FEB 18 2011
...THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN SOUTH DAKOTA...IOWA...
WILLOW CREEK NEAR CROOKS
FLOYD RIVER AT ALTON
LITTLE SIOUX RIVER NEAR MILFORD
LITTLE SIOUX RIVER AT SPENCER
LITTLE SIOUX RIVER ABOVE SPENCER
.THE FOLLOWING RIVER FORECASTS INCLUDE FORECAST PRECIPITATION THROUGH
THIS AFTERNOON. ANY ADDITIONAL FUTURE RAINS COULD AFFECT THE CREST
FORECASTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT DRIVE CARS THROUGH FLOODED AREAS. THE WATER
DEPTH AND ROAD CONDITION MAY BE UNSAFE.
ADDITIONAL INFORMATION IS AVAILABLE AT
HTTP://WWW.WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=FSD
STAY TUNED FOR FURTHER UPDATES BY LISTENING TO NOAA WEATHER RADIO...
OR YOUR LOCAL RADIO AND TV STATIONS.
THE NEXT SCHEDULED STATEMENT WILL BE ISSUED TOMORROW MORNING.
&&
SDC099-191858-
/O.NEW.KFSD.FL.W.0002.110218T1458Z-000000T0000Z/
/WCCS2.1.SM.000000T0000Z.110218T0930Z.000000T0000Z.NO/
858 AM CST FRI FEB 18 2011
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLOOD WARNING FOR
THE WILLOW CREEK NEAR CROOKS.
* UNTIL FURTHER NOTICE.
* AT 08AM FRIDAY THE STAGE WAS 9.6 FEET.
* FLOOD STAGE IS 9.0 FEET.
* AT STAGES NEAR 9.0 FEET...THE LOWER LEFT BANKS OVERFLOW FLOODING
SOME PASTURE AND HAY LAND.
$$
IAC167-191857-
/O.NEW.KFSD.FL.W.0003.110218T1458Z-110220T0045Z/
/ALTI4.1.SM.110218T1205Z.110218T1445Z.110219T0045Z.NO/
858 AM CST FRI FEB 18 2011
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLOOD WARNING FOR
THE FLOYD RIVER AT ALTON.
* UNTIL SATURDAY EVENING.
* AT 08AM FRIDAY THE STAGE WAS 12.4 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 12.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
LATE THIS AFTERNOON.
* AT STAGES NEAR 12.0 FEET...FLOODING BEGINS TO AFFECT THE LOWER
LYING AGRICULTURAL LANDS ALONG THE RIVER.
$$
IAC041-059-191857-
/O.NEW.KFSD.FL.W.0004.110218T1458Z-000000T0000Z/
/MIFI4.1.SM.000000T0000Z.110218T1400Z.000000T0000Z.NO/
858 AM CST FRI FEB 18 2011
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLOOD WARNING FOR
THE LITTLE SIOUX RIVER NEAR MILFORD.
* UNTIL FURTHER NOTICE.
* AT 08AM FRIDAY THE STAGE WAS 12.6 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 12.0 FEET...MINOR FLOODING OF LOW LYING AGRICULTURAL
LANDS BEGINS.
$$
IAC041-059-191857-
/O.CON.KFSD.FL.W.0001.000000T0000Z-000000T0000Z/
/LSSI4.1.SM.110218T0240Z.110218T1000Z.000000T0000Z.UU/
858 AM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER ABOVE SPENCER.
* UNTIL FURTHER NOTICE.
* AT 08AM FRIDAY THE STAGE WAS 10.4 FEET.
* FLOOD STAGE IS 10.0 FEET.
* AT STAGES NEAR 10.0 FEET...MINOR FLOODING OF AGRICULTURAL LANDS
BEGINS.
$$
IAC041-191857-
/O.NEW.KFSD.FL.W.0005.110218T1458Z-110221T2000Z/
/SPWI4.1.SM.110218T1108Z.110219T1200Z.110220T2000Z.NO/
858 AM CST FRI FEB 18 2011
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLOOD WARNING FOR
THE LITTLE SIOUX RIVER AT SPENCER.
* UNTIL MONDAY AFTERNOON.
* AT 06AM FRIDAY THE STAGE WAS 10.2 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 11.3 FEET BY SATURDAY FEBRUARY
19. THE RIVER WILL FALL BELOW FLOOD STAGE SUNDAY FEBRUARY 20.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR
FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS
BEGINS.
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
SKUNK CREEK
WCCS2 9.0 9.57 FRI 8 AM 9.8 FRI FEB 18
FLOYD RIVER
ALTI4 12.0 12.42 FRI 9 AM 12.4 FRI FEB 18
LITTLE SIOUX RIVER
MIFI4 12.0 12.60 FRI 8 AM 12.6 FRI FEB 18
LSSI4 10.0 10.45 FRI 8 AM 10.6 FRI FEB 18
SPWI4 10.0 E10.22 FRI 7 AM 11.3 SAT 6 AM
MG435
WGUS83 KFSD 190325
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
925 PM CST FRI FEB 18 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...
BIG SIOUX RIVER AT AKRON
FLOYD RIVER AT ALTON
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...
BIG SIOUX RIVER AT HAWARDEN
WILLOW CREEK NEAR CROOKS
OCHEYEDAN RIVER NEAR SPENCER
LITTLE SIOUX RIVER NEAR MILFORD
LITTLE SIOUX RIVER ABOVE SPENCER
LITTLE SIOUX RIVER AT SPENCER
LITTLE SIOUX RIVER AT CHEROKEE
.THE FOLLOWING RIVER FORECASTS INCLUDE FORECAST PRECIPITATION THROUGH
THIS AFTERNOON. 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.
&&
IAC167-SDC083-127-210600-
/O.CON.KFSD.FL.W.0006.110219T0600Z-110221T0600Z/
/HAWI4.1.SM.110219T0600Z.110219T1200Z.110220T0600Z.NO/
925 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER AT HAWARDEN.
* UNTIL LATE SUNDAY NIGHT.
* AT 08PM FRIDAY THE STAGE WAS ESTIMATED AT 14.8 FEET.
* FLOOD STAGE IS 15.0 FEET.
* FORECAST...RISE ABOVE FLOOD STAGE BY 12 AM SATURDAY AND CREST NEAR
15.1 FEET BY SATURDAY FEBRUARY 19. THE RIVER WILL FALL BELOW FLOOD
STAGE BY SUNDAY FEBRUARY 20.
* AT STAGES NEAR 15.0 FEET...AGRICULTURAL FLOODING BEGINS ON THE
SOUTH DAKOTA SIDE OF THE RIVER.
$$
IAC149-SDC127-210000-
/O.EXT.KFSD.FL.W.0007.110219T1048Z-110221T0000Z/
/AKRI4.1.SM.110219T1048Z.110219T1200Z.110220T0000Z.NO/
925 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER AT AKRON.
* FROM LATE TONIGHT TO SUNDAY EVENING.
* AT 09PM FRIDAY THE STAGE WAS 15.3 FEET.
* FLOOD STAGE IS 16.0 FEET.
* FORECAST...RISE ABOVE FLOOD STAGE BY 5 AM SATURDAY AND CREST NEAR
16.1 FEET BY SATURDAY FEBRUARY 19. THE RIVER WILL FALL BELOW FLOOD
STAGE BY SATURDAY FEBRUARY 19.
* AT STAGES NEAR 16.0 FEET...SEVERAL FARM LEVEES ARE OVERTOPPED WITH
SIGNIFICANT FLOODING OF AGRICULTURAL LANDS.
$$
SDC099-260724-
/O.CON.KFSD.FL.W.0002.000000T0000Z-000000T0000Z/
/WCCS2.1.SM.000000T0000Z.110218T2245Z.000000T0000Z.NO/
925 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE WILLOW CREEK NEAR CROOKS.
* AT 08PM FRIDAY THE STAGE WAS 10.5 FEET.
* FLOOD STAGE IS 9.0 FEET.
* AT STAGES NEAR 11.0 FEET...THE HIGHER BANKS OVERFLOW FLOODING
SIGNIFICANT AMOUNTS OF PASTURE LAND AND SOME CROP LAND.
$$
IAC167-200515-
/O.EXT.KFSD.FL.W.0003.000000T0000Z-110220T0515Z/
/ALTI4.1.SM.110218T1205Z.110219T0300Z.110219T0515Z.NO/
925 PM CST FRI FEB 18 2011
...FLOOD WARNING EXTENDED UNTIL 11 PM SATURDAY...
THE FLOOD WARNING CONTINUES FOR
THE FLOYD RIVER AT ALTON.
* AT 09PM FRIDAY THE STAGE WAS 12.9 FEET.
* FLOOD STAGE IS 12.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON FRIDAY
FEBRUARY 18.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
FRIDAY FEBRUARY 18.
* AT STAGES NEAR 12.0 FEET...FLOODING BEGINS TO AFFECT THE LOWER
LYING AGRICULTURAL LANDS ALONG THE RIVER.
$$
IAC041-201800-
/O.CON.KFSD.FL.W.0008.000000T0000Z-110220T1800Z/
/SPOI4.1.SM.110218T2022Z.110219T0600Z.110219T1800Z.NO/
925 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE OCHEYEDAN RIVER NEAR SPENCER.
* AT 08PM FRIDAY THE STAGE WAS 8.4 FEET.
* FLOOD STAGE IS 8.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON FRIDAY
FEBRUARY 18.
* FORECAST...THE RIVER WILL CREST NEAR 8.6 FEET BY SATURDAY FEBRUARY
19. THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY FEBRUARY 19.
* AT STAGES NEAR 8.0 FEET...MINOR FLOODING OF PASTURE LAND BEGINS.
$$
IAC041-059-260724-
/O.CON.KFSD.FL.W.0004.000000T0000Z-000000T0000Z/
/MIFI4.1.SM.000000T0000Z.110218T1400Z.000000T0000Z.NO/
925 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER NEAR MILFORD.
* AT 08AM FRIDAY THE STAGE WAS 12.6 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 12.0 FEET...MINOR FLOODING OF LOW LYING AGRICULTURAL
LANDS BEGINS.
$$
IAC041-059-260724-
/O.CON.KFSD.FL.W.0001.000000T0000Z-000000T0000Z/
/LSSI4.1.SM.110218T0240Z.110218T1000Z.000000T0000Z.UU/
925 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER ABOVE SPENCER.
* AT 08PM FRIDAY THE STAGE WAS 10.1 FEET.
* FLOOD STAGE IS 10.0 FEET.
* AT STAGES NEAR 10.0 FEET...MINOR FLOODING OF AGRICULTURAL LANDS
BEGINS.
$$
IAC041-212000-
/O.CON.KFSD.FL.W.0005.000000T0000Z-110221T2000Z/
/SPWI4.1.SM.110218T1108Z.110219T1200Z.110220T2000Z.NO/
925 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER AT SPENCER.
* AT 08PM FRIDAY THE STAGE WAS ESTIMATED AT 11.0 FEET.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...CREST NEAR 11.3 FEET BY SATURDAY FEBRUARY 19. THE RIVER
WILL FALL BELOW FLOOD STAGE BY SUNDAY FEBRUARY 20.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR
FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS
BEGINS.
$$
IAC035-201100-
/O.CON.KFSD.FL.W.0009.000000T0000Z-110220T1100Z/
/CHKI4.1.ER.000000T0000Z.110218T2030Z.110219T1100Z.NO/
925 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER AT CHEROKEE.
* AT 08PM FRIDAY THE STAGE WAS 18.3 FEET.
* FLOOD STAGE IS 17.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
SATURDAY FEBRUARY 19.
* AT STAGES NEAR 18.0 FEET...CHEROKEE CITY PARK BEGINS TO FLOOD ON
THE SOUTH BANK OF THE RIVER.
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
BIG SIOUX RIVER
HAWI4 15.0 14.8 FRI 1 PM 15.1 SAT 6 AM 14.8 FRI FEB 18
AKRI4 16.0 15.31 FRI 9 PM 16.1 SAT 6 AM 15.3 FRI FEB 18
SKUNK CREEK
WCCS2 9.0 10.50 FRI 8 PM M 10.9 FRI FEB 18
FLOYD RIVER
ALTI4 12.0 12.90 FRI 9 PM 11.7 SAT 12 AM 12.9 FRI FEB 18
OCHEYEDAN RIVER
SPOI4 8.0 8.41 FRI 9 PM 8.6 SAT 12 AM 8.4 FRI FEB 18
LITTLE SIOUX RIVER
MIFI4 12.0 12.60 FRI 8 AM M 12.6 FRI FEB 18
LSSI4 10.0 10.09 FRI 8 PM M 10.6 FRI FEB 18
SPWI4 10.0 11.00 FRI 8 PM 11.3 SAT 6 AM 9.9 FRI FEB 18
CHKI4 17.0 18.30 FRI 2 PM 18.0 SAT 12 AM 18.3 FRI FEB 18375
WGUS83 KFSD 190432
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1032 PM CST FRI FEB 18 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
FLOYD RIVER AT ALTON
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...
BIG SIOUX RIVER AT HAWARDEN
BIG SIOUX RIVER AT AKRON
WILLOW CREEK NEAR CROOKS
OCHEYEDAN RIVER NEAR SPENCER
LITTLE SIOUX RIVER NEAR MILFORD
LITTLE SIOUX RIVER ABOVE SPENCER
LITTLE SIOUX RIVER AT SPENCER
LITTLE SIOUX RIVER AT CHEROKEE
.THE FOLLOWING RIVER FORECASTS INCLUDE FORECAST PRECIPITATION THROUGH
THIS AFTERNOON. 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.
&&
SDC099-260832-
/O.CON.KFSD.FL.W.0002.000000T0000Z-000000T0000Z/
/WCCS2.1.SM.000000T0000Z.110218T2245Z.000000T0000Z.NO/
1032 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE WILLOW CREEK NEAR CROOKS.
* AT 09PM FRIDAY THE STAGE WAS 10.4 FEET.
* FLOOD STAGE IS 9.0 FEET.
* AT STAGES NEAR 11.0 FEET...THE HIGHER BANKS OVERFLOW FLOODING
SIGNIFICANT AMOUNTS OF PASTURE LAND AND SOME CROP LAND.
$$
IAC167-SDC083-127-210600-
/O.CON.KFSD.FL.W.0006.110219T0600Z-110221T0600Z/
/HAWI4.1.SM.110219T0600Z.110219T1200Z.110220T0600Z.NO/
1032 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER AT HAWARDEN.
* UNTIL LATE SUNDAY NIGHT.
* AT 08PM FRIDAY THE STAGE WAS ESTIMATED AT 14.8 FEET.
* FLOOD STAGE IS 15.0 FEET.
* FORECAST...RISE ABOVE FLOOD STAGE BY 12 AM SATURDAY AND CREST NEAR
15.1 FEET BY SATURDAY FEBRUARY 19. THE RIVER WILL FALL BELOW FLOOD
STAGE BY SUNDAY FEBRUARY 20.
* AT STAGES NEAR 15.0 FEET...AGRICULTURAL FLOODING BEGINS ON THE
SOUTH DAKOTA SIDE OF THE RIVER.
$$
IAC149-SDC127-210000-
/O.CON.KFSD.FL.W.0007.110219T1048Z-110221T0000Z/
/AKRI4.1.SM.110219T1048Z.110219T1200Z.110220T0000Z.NO/
1032 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER AT AKRON.
* FROM LATE TONIGHT TO SUNDAY EVENING.
* AT 10PM FRIDAY THE STAGE WAS 15.4 FEET.
* FLOOD STAGE IS 16.0 FEET.
* FORECAST...RISE ABOVE FLOOD STAGE BY 5 AM SATURDAY AND CREST NEAR
16.1 FEET BY SATURDAY FEBRUARY 19. THE RIVER WILL FALL BELOW FLOOD
STAGE BY SATURDAY FEBRUARY 19.
* AT STAGES NEAR 16.0 FEET...SEVERAL FARM LEVEES ARE OVERTOPPED WITH
SIGNIFICANT FLOODING OF AGRICULTURAL LANDS.
$$
IAC167-201513-
/O.EXT.KFSD.FL.W.0003.000000T0000Z-110220T1513Z/
/ALTI4.1.SM.110218T1205Z.110219T0415Z.110219T1513Z.NO/
1032 PM CST FRI FEB 18 2011
...FLOOD WARNING EXTENDED UNTIL 9 AM SUNDAY...
THE FLOOD WARNING CONTINUES FOR
THE FLOYD RIVER AT ALTON.
* AT 10PM FRIDAY THE STAGE WAS 13.2 FEET.
* FLOOD STAGE IS 12.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON FRIDAY
FEBRUARY 18.
* FORECAST...THE RIVER WILL FALL TO BELOW FLOOD STAGE BY
SATURDAY FEBRUARY 19.
* AT STAGES NEAR 12.0 FEET...FLOODING BEGINS TO AFFECT THE LOWER
LYING AGRICULTURAL LANDS ALONG THE RIVER.
$$
IAC041-201800-
/O.CON.KFSD.FL.W.0008.000000T0000Z-110220T1800Z/
/SPOI4.1.SM.110218T2022Z.110219T0600Z.110219T1800Z.NO/
1032 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE OCHEYEDAN RIVER NEAR SPENCER.
* AT 09PM FRIDAY THE STAGE WAS 8.4 FEET.
* FLOOD STAGE IS 8.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON FRIDAY
FEBRUARY 18.
* FORECAST...THE RIVER WILL CREST NEAR 8.6 FEET BY SATURDAY FEBRUARY
19. THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY FEBRUARY 19.
* AT STAGES NEAR 8.0 FEET...MINOR FLOODING OF PASTURE LAND BEGINS.
$$
IAC041-059-260831-
/O.CON.KFSD.FL.W.0004.000000T0000Z-000000T0000Z/
/MIFI4.1.SM.000000T0000Z.110218T1400Z.000000T0000Z.NO/
1032 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER NEAR MILFORD.
* AT 08AM FRIDAY THE STAGE WAS 12.6 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 12.0 FEET...MINOR FLOODING OF LOW LYING AGRICULTURAL
LANDS BEGINS.
$$
IAC041-059-260831-
/O.CON.KFSD.FL.W.0001.000000T0000Z-000000T0000Z/
/LSSI4.1.SM.110218T0240Z.110218T1000Z.000000T0000Z.UU/
1032 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER ABOVE SPENCER.
* AT 10PM FRIDAY THE STAGE WAS 10.0 FEET.
* FLOOD STAGE IS 10.0 FEET.
* AT STAGES NEAR 10.0 FEET...MINOR FLOODING OF AGRICULTURAL LANDS
BEGINS.
$$
IAC041-212000-
/O.CON.KFSD.FL.W.0005.000000T0000Z-110221T2000Z/
/SPWI4.1.SM.110218T1108Z.110219T1200Z.110220T2000Z.NO/
1032 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER AT SPENCER.
* AT 08PM FRIDAY THE STAGE WAS ESTIMATED AT 11.0 FEET.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...CREST NEAR 11.3 FEET BY SATURDAY FEBRUARY 19. THE RIVER
WILL FALL BELOW FLOOD STAGE BY SUNDAY FEBRUARY 20.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR
FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS
BEGINS.
$$
IAC035-201100-
/O.CON.KFSD.FL.W.0009.000000T0000Z-110220T1100Z/
/CHKI4.1.ER.000000T0000Z.110218T2030Z.110219T1100Z.NO/
1032 PM CST FRI FEB 18 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER AT CHEROKEE.
* AT 02PM FRIDAY THE STAGE WAS 18.3 FEET.
* FLOOD STAGE IS 17.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
SATURDAY FEBRUARY 19.
* AT STAGES NEAR 18.0 FEET...CHEROKEE CITY PARK BEGINS TO FLOOD ON
THE SOUTH BANK OF THE RIVER.
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
SKUNK CREEK
WCCS2 9.0 10.40 FRI 10 PM M 10.9 FRI FEB 18
BIG SIOUX RIVER
HAWI4 15.0 14.30 FRI 1 PM 15.1 SAT 6 AM 14.3 FRI FEB 18
AKRI4 16.0 15.37 FRI 10 PM 16.1 SAT 6 AM 15.4 FRI FEB 18
FLOYD RIVER
ALTI4 12.0 13.18 FRI 10 PM 13.1 SAT 12 AM 13.2 FRI FEB 18
OCHEYEDAN RIVER
SPOI4 8.0 8.44 FRI 10 PM 8.6 SAT 12 AM 8.4 FRI FEB 18
LITTLE SIOUX RIVER
MIFI4 12.0 12.60 FRI 8 AM M 12.6 FRI FEB 18
LSSI4 10.0 10.01 FRI 10 PM M 10.6 FRI FEB 18
SPWI4 10.0 9.91 FRI 7 AM 11.3 SAT 6 AM 9.9 FRI FEB 18
CHKI4 17.0 18.30 FRI 2 PM 18.0 SAT 12 AM 18.3 FRI FEB 18570
WGUS83 KFSD 191648
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1047 AM CST SAT FEB 19 2011
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN IOWA...
FLOYD RIVER AT ALTON
LITTLE SIOUX RIVER ABOVE SPENCER
LITTLE SIOUX RIVER AT CHEROKEE
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...
BIG SIOUX RIVER AT AKRON
OCHEYEDAN RIVER NEAR SPENCER
LITTLE SIOUX RIVER AT SPENCER
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...
BIG SIOUX RIVER AT HAWARDEN
WILLOW CREEK NEAR CROOKS
LITTLE SIOUX RIVER NEAR MILFORD
.THE FOLLOWING RIVER FORECASTS INCLUDE FORECAST PRECIPITATION THROUGH
THIS AFTERNOON. 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.
&&
IAC167-SDC083-127-210600-
/O.CON.KFSD.FL.W.0006.000000T0000Z-110221T0600Z/
/HAWI4.1.SM.110219T1507Z.110219T1800Z.110220T0600Z.NO/
1047 AM CST SAT FEB 19 2011
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER AT HAWARDEN.
* AT 09AM SATURDAY THE STAGE WAS ESTIMATED AT 15.1 FEET.
* FLOOD STAGE IS 15.0 FEET.
* AT STAGES NEAR 15.0 FEET...AGRICULTURAL FLOODING BEGINS ON THE
SOUTH DAKOTA SIDE OF THE RIVER.
$$
IAC149-SDC127-211900-
/O.EXT.KFSD.FL.W.0007.000000T0000Z-110221T1900Z/
/AKRI4.1.SM.110219T1352Z.110220T0600Z.110220T1900Z.NO/
1047 AM CST SAT FEB 19 2011
...FLOOD WARNING EXTENDED UNTIL 1 PM MONDAY...
THE FLOOD WARNING CONTINUES FOR
THE BIG SIOUX RIVER AT AKRON.
* AT 10AM SATURDAY THE STAGE WAS 16.1 FEET.
* FLOOD STAGE IS 16.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON SATURDAY
FEBRUARY 19.
* FORECAST...THE RIVER WILL CREST NEAR 16.5 FEET BY SUNDAY FEBRUARY
20. THE RIVER WILL FALL BELOW FLOOD STAGE SUNDAY FEBRUARY 20.
* AT STAGES NEAR 17.0 FEET...ABOUT 6500 ACRES OF FARM LAND ARE
FLOODED.
$$
SDC099-262046-
/O.CON.KFSD.FL.W.0002.000000T0000Z-000000T0000Z/
/WCCS2.1.SM.000000T0000Z.110218T2245Z.000000T0000Z.NO/
1047 AM CST SAT FEB 19 2011
THE FLOOD WARNING CONTINUES FOR
THE WILLOW CREEK NEAR CROOKS.
* AT 10AM SATURDAY THE STAGE WAS 9.9 FEET.
* FLOOD STAGE IS 9.0 FEET.
* AT STAGES NEAR 9.0 FEET...THE LOWER LEFT BANKS OVERFLOW FLOODING
SOME PASTURE AND HAY LAND.
$$
IAC041-210730-
/O.EXT.KFSD.FL.W.0008.000000T0000Z-110221T0730Z/
/SPOI4.1.SM.110218T2022Z.110219T1545Z.110220T0730Z.NO/
1047 AM CST SAT FEB 19 2011
...FLOOD WARNING EXTENDED UNTIL 1 AM MONDAY...
THE FLOOD WARNING CONTINUES FOR
THE OCHEYEDAN RIVER NEAR SPENCER.
* AT 09AM SATURDAY THE STAGE WAS 8.6 FEET.
* FLOOD STAGE IS 8.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY
SUNDAY FEBRUARY 20.
* AT STAGES NEAR 8.0 FEET...MINOR FLOODING OF PASTURE LAND BEGINS.
$$
IAC041-059-262046-
/O.CON.KFSD.FL.W.0004.000000T0000Z-000000T0000Z/
/MIFI4.1.SM.000000T0000Z.110218T1400Z.000000T0000Z.NO/
1047 AM CST SAT FEB 19 2011
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER NEAR MILFORD.
* AT 08AM FRIDAY THE STAGE WAS 12.6 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 12.0 FEET...MINOR FLOODING OF LOW LYING AGRICULTURAL
LANDS BEGINS.
$$
IAC041-059-191717-
/O.CAN.KFSD.FL.W.0001.000000T0000Z-110219T1647Z/
/LSSI4.1.SM.110218T0240Z.110218T1000Z.110219T0503Z.UU/
1047 AM CST SAT FEB 19 2011
THE FLOOD WARNING IS CANCELLED FOR
THE LITTLE SIOUX RIVER ABOVE SPENCER.
* AT 10AM SATURDAY THE STAGE WAS 9.9 FEET.
* FLOOD STAGE IS 10.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON FRIDAY
FEBRUARY 18.
* AT STAGES NEAR 10.0 FEET...MINOR FLOODING OF AGRICULTURAL LANDS
BEGINS.
$$
IAC041-220000-
/O.EXT.KFSD.FL.W.0005.000000T0000Z-110222T0000Z/
/SPWI4.1.SM.110218T1108Z.110219T1800Z.110221T0000Z.NO/
1047 AM CST SAT FEB 19 2011
...FLOOD WARNING EXTENDED UNTIL 6 PM MONDAY...
THE FLOOD WARNING CONTINUES FOR
THE LITTLE SIOUX RIVER AT SPENCER.
* AT 06AM FRIDAY THE STAGE WAS 9.9 FEET.
* FLOOD STAGE IS 10.0 FEET.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR
FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS
BEGINS.
$$
IAC035-191717-
/O.CAN.KFSD.FL.W.0009.000000T0000Z-110220T1100Z/
/CHKI4.1.ER.000000T0000Z.110218T2030Z.110219T1332Z.NO/
1047 AM CST SAT FEB 19 2011
THE FLOOD WARNING IS CANCELLED FOR
THE LITTLE SIOUX RIVER AT CHEROKEE.
* AT 09AM SATURDAY THE STAGE WAS 16.9 FEET.
* FLOOD STAGE IS 17.0 FEET.
* RECENT ACTIVITY...THE RIVER FELL BELOW FLOOD STAGE AT 8 AM
SATURDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 13.3 FEET BY 6 AM
SUNDAY.
$$
IAC167-191717-
/O.CAN.KFSD.FL.W.0003.000000T0000Z-110220T1513Z/
/ALTI4.1.SM.110218T1205Z.110219T0800Z.110219T1541Z.NO/
1047 AM CST SAT FEB 19 2011
THE FLOOD WARNING IS CANCELLED FOR
THE FLOYD RIVER AT ALTON.
* AT 10AM SATURDAY THE STAGE WAS 11.9 FEET.
* FLOOD STAGE IS 12.0 FEET.
* RECENT ACTIVITY...THE RIVER FELL BELOW FLOOD STAGE AT 10 AM
SATURDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 8.6 FEET BY 6 AM
SUNDAY.
* AT STAGES NEAR 12.0 FEET...FLOODING BEGINS TO AFFECT THE LOWER
LYING AGRICULTURAL LANDS ALONG THE RIVER.
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
BIG SIOUX RIVER
HAWI4 15.0 15.10 SAT 9 AM 15.1 SAT 12 PM
AKRI4 16.0 16.13 SAT 10 AM 16.5 SUN 12 AM 16.1 SAT FEB 19
SKUNK CREEK
WCCS2 9.0 9.88 SAT 10 AM M 10.9 FRI FEB 18
OCHEYEDAN RIVER
SPOI4 8.0 8.64 SAT 10 AM 8.6 SAT 12 PM 8.6 SAT FEB 19
LITTLE SIOUX RIVER
MIFI4 12.0 12.60 FRI 8 AM M 12.6 FRI FEB 18
LSSI4 10.0 9.85 SAT 10 AM M 10.6 FRI FEB 18
SPWI4 10.0 9.91 FRI 7 AM 11.3 SAT 12 PM 9.9 FRI FEB 18
CHKI4 17.0 16.85 SAT 9 AM 15.8 SAT 12 PM 18.3 FRI FEB 18
FLOYD RIVER
ALTI4 12.0 11.87 SAT 10 AM 11.5 SAT 12 PM 13.5 SAT FEB 19What 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 Feb 17, 8:20 PM CST, 5 hours 42 minutes earlier.
Area forecast discussion, Feb 17, 8:20 PM CST, 5 hours 42 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
820 PM CST THU FEB 17 2011
.DISCUSSION...
THE COLD FRONT IS WELL TO OUR EAST LATE THIS EVENING...AND AS
EXPECTED ARE BEGINNING TO SEE WINDS SLOWLY DROP OFF FROM WEST TO
EAST...AND WILL LET WIND ADVISORY EXPIRE ON SCHEDULE AT 09Z.
OTHERWISE COLDER AIR IS TRICKLING IN A LITTLE FASTER THAN
ANTICIPATED...SO LOWERED MINS A COUPLE OF DEGREES OVER PORTIONS OF
OUR NORTH. SKIES HAVE CLEARED OUT SO ALSO LOWERED SKY COVER ACROSS
THE AREA. MINOR UPDATES OUT. /JM
&&
.AVIATION...
VFR CONDITIONS EXPECTED THROUGH TONIGHT WITH WINDS SLOWLY
DIMINISHING FROM WEST TO EAST.
&&
.PREV DISCUSSION...
STRONG WEST/NORTHWEST WINDS HAVE SEEMINGLY MARGINALLY REACHED
ADVISORY CRITERIA...ALLOWING A COUPLE POINTS FOR THE WIDE OPEN
SPACES. IT SEEMS THAT WINDS HAVE BEEN TRYING TO START A
DECREASE...BUT WITH RECENT BIG SURGE AT PIR WILL LET ADVY RIDE TO
6PM EXPIRATION. THE OTHER QUESTION IS IN SOUTHWEST MN WHERE WINDS
HAVE BEEN TRYING TO COME UP. ANOTHER MARGINAL ISSUANCE BUT THAT
SURGE OUT WEST MAY GIVE A BOOST FURTHER E...SO WILL GO WITH ONE TIL
03Z.
WITH MOST OF THE SC MISSING FORECAST AREA TO THE NORTH...JUST A FEW
LITTLE AREAS IN THAT NORTHEAST CORNER...SKIES SHOULD BE CLEAR TO
PARTLY CLOUDY TONIGHT AS SOME SCATTERED MID CLOUDS ALSO BLOW BY.
COOLING WILL CONTINUE WITH GUIDANCE LOWS LOOKING FAIRLY CLOSE...THE
DROP OFF IN WINDS SHOULD ALLOW FOR THE SURFACE COOLING. / WILLIAMS
TRANSITION DAYS EXPECTED ON FRIDAY AND SATURDAY WITH A RIDGE
BUILDING INTO THE AREA BY SATURDAY. TEMPERATURES WILL WARM INTO THE
LOW 30S NORTH TO THE UPPER 40S SOUTH BY SATURDAY AFTER OVERNIGHT
LOWS IN THE TEENS TO MID 20S. THE MAIN FOCUS HOWEVER WILL BE THE
DEVELOPMENT OF A POTENT WINTER STORM SYSTEM EMERGING FROM A BROAD
TROUGH ACROSS THE SOUTHWEST US. A VIGOROUS SHORTWAVE EJECTS FROM
THE TROUGH INTO THE CENTRAL PLAINS EARLY SUNDAY AND IS EXPECTED TO
TRACK NORTHEASTWARD ACROSS NEBRASKA...EASTERN SD...AND MN THROUGH
MONDAY.
MODELS STILL SHOWING CONSIDERABLE DISAGREEMENT REGARDING THE
TIMING...TEMPERATURE PROFILES...AND BEST DYNAMICS FOR THE DURATION
OF THIS EVENT. THE GFS REMAINS THE FASTEST AND WARMEST SOLUTION...
AND BRINGS THE BEST QG FORCING AND FRONTOGENESIS NORTHEAST OF THE
CWA INTO CENTRAL MN AND NORTHERN SD. AS A RESULT...THE BEST
POTENTIAL FOR PRECIPITATION REMAINS EAST OF THE CWA.
ADDITIONALLY...THE GFS BRINGS MUCH WARMER 850MB TEMPERATURES AS HIGH
AS +8C ACROSS SW MN AND NW IA...WITH ABOVE FREEZING FOR ALL AREAS
EAST OF I29. WITH SURFACE TEMPS BELOW FREEZING DURING THIS
TIME...THIS SCENARIO COULD SPELL A FZRA EVENT FOR THE EAST ON SUNDAY
AND POSSIBLY INTO SUNDAY EVENING BEFORE TURNING TO SNOW.
MEANWHILE THE ECMWF...WHICH HAS BEEN MORE CONSISTENT IN HANDLING
THIS STORM...IS FAR COLDER IN THE LOW LEVELS AND KEEPS THE MAJORITY
OF THE CWA BELOW FREEZING THROUGH ALL LEVELS. THE BEST DYNAMICS ARE
DEPICTED LIFTING NORTHWARD ACROSS THE CWA WITH THE BEST POTENTIAL
SNOW ACROSS THE I90 CORRIDOR WITH ABOUT 6 TO 9 INCHES EXPECTED FOR
THE STORM. FREEZING RAIN POTENTIAL EXISTS IN THE FAR SOUTHEAST
CORNER ON SUNDAY ALTHOUGH TO A MUCH LESSER EXTENT THAN THE GFS.
SNOW WILL BEGIN TO TAPER OFF EARLY MONDAY HOWEVER SOME PERSIST LIGHT
SNOW WILL LINGER AS A SECONDARY TRACKS THROUGH THE REGION. ARCTIC
HIGH PRESSURE DROPS INTO THE NORTHERN PLAINS MONDAY NIGHT BUT IS
QUICKLY SHUNTED EASTWARD AS A TROUGH DIGGING INTO THE PACIFIC
NORTHWEST BUILDS A RIDGE INTO THE CENTRAL US. PROGRESSIVE LONG
RANGE PATTERN RESULTING IN PLENTY OF MODEL DISCREPANCIES FOR THE
LATER HALF OF THE WEEK SO CONFIDENCE IS LOW ON ANY SOLUTION AND
THEREFORE MADE LITTLE CHANGE. /42
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
IA...NONE.
MN...WIND ADVISORY UNTIL 9 PM CST THIS EVENING FOR
MNZ071-072-080-081-097.
NE...NONE.
SD...WIND ADVISORY UNTIL 9 PM CST THIS EVENING FOR
SDZ039-040-054>056.
&&Hazardous weather outlook, Feb 17, 11:06 AM CST, 14 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 1106 AM CST THU FEB 17 2011 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-181200- AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA- CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE- DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON- IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN- LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN- OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN- SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON- 1106 AM CST THU FEB 17 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT WIND AND FOG... WEST TO NORTHWEST WINDS WILL REACH SUSTAINED SPEEDS OF 30 MPH OR A LITTLE MORE FOR SEVERAL HOURS DURING THE AFTERNOON NEAR AND WEST OF A HURON TO MITCHELL TO PICKSTOWN LINE.GUSTS AROUND 40 MPH ARE LIKELY. SLIGHTLY LESSER WINDS WITH GUSTS OF 30 TO 35 MPH CAN BE EXPECTED FURTHER EAST IN THE AREA. FIRE DANGER... AREAS WITHOUT SNOWCOVER THROUGH THE MISSOURI RIVER CORRIDOR WILL FIND THE MILD TEMPERATURES...INCREASING AFTERNOON WINDS...AND FALLING HUMIDITY LEVELS LIKELY TO BRING THE RANGELAND FIRE DANGER INTO THE VERY HIGH CATEGORY THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY PRECIPITATION IS EXPECTED TO RAPIDLY DEVELOP ACROSS THE AREA LATER SATURDAY NIGHT...CONTINUING THROUGH SUNDAY NIGHT AND INTO MONDAY. WHILE THE TRACK FOR THE MOST SIGNIFICANT PRECIPITATION IS DIFFICULT TO DETERMINE AT THIS TIME...THERE WILL BE POTENTIAL FOR A BAND OF 5 TO 10 INCHES OF SNOWFALL NEAR AND SOUTH OF INTERSTATE 90. ALSO...AT THE ONSET OF PRECIPITATION ON SATURDAY NIGHT AND EARLY SUNDAY MORNING... SOME LIGHT ICE ACCUMULATIONS WILL BE POSSIBLE FROM EXTREME SOUTHEAST SOUTH DAKOTA AND NORTHEAST NEBRASKA INTO NORTHWEST IOWA...GENERALLY SOUTH OF HIGHWAY 18. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK. WILLIAMS
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 4:18 AM CST | Winter Storm Watch | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 35 hr |
| Feb 18, 8:58 AM CST | River Flood Warning | FSD | Sioux | 26 hr |
| Feb 18, 8:58 AM CST | River Flood Warning | FSD | Clay, Dickinson | 49 hr |
| Feb 18, 8:58 AM CST | River Flood Warning | FSD | Clay | 6 days |
| Feb 18, 9:26 AM CST | Areal Flood Warning | FSD | Buena Vista | 12 hr |
| Feb 18, 1:31 PM CST | River Flood Warning | FSD | Sioux | 45 hr |
| Feb 18, 1:31 PM CST | River Flood Warning | FSD | Plymouth | 4 days |
| Feb 18, 1:31 PM CST | River Flood Warning | FSD | Clay | 4 days |
| Feb 18, 3:38 PM CST | River Flood Warning | FSD | Cherokee | 19 hr |
Nearby
River Flood Warnings in Iowa, 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.