Alert archive / Iowa / River Flood Warnings in 2012

River Flood Warning 37, NWS Sioux Falls, SD

May 29, 2012Clay County, Dickinson County, Iowa

NWS Sioux Falls, SD issued this river flood warning at May 29, 2012, 9:45 AM CDT for Clay County, Dickinson County, Iowa. It was in force for 6 days.

The area

The counties it named.

The facts

Issued
May 29, 2012, 9:45 AM CDT (14:45 UTC)
Expired
Jun 4, 2012, 11:09 AM CDT
In force
6 days
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 14:45 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 near Milford (MIFI4).

Action stage
11 ft
Minor stage
13 ft
Moderate stage
16 ft
Major stage
20 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.

The text

As transmitted, in the capitals the NWS used until 2016.

815 
WGUS43 KFSD 291445
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
945 AM CDT TUE MAY 29 2012

...THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FLOOD 
WARNING FOR THE FOLLOWING RIVERS IN IOWA...

  LITTLE SIOUX RIVER NEAR MILFORD 
   
.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. 

&&

IAC041-059-301845-
/O.NEW.KFSD.FL.W.0037.120529T1445Z-000000T0000Z/
/MIFI4.1.ER.000000T0000Z.120529T1440Z.000000T0000Z.NO/
945 AM CDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A 

* FLOOD WARNING FOR 
  THE LITTLE SIOUX RIVER NEAR MILFORD.
* UNTIL FURTHER NOTICE.
* AT 09AM TUESDAY THE STAGE WAS 12.5 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 12.0 FEET...MINOR FLOODING OF LOW LYING AGRICULTURAL
  LANDS BEGINS. 

$$

&& 
LOCATION FLOOD  LATEST OBSERVED  RECENT OBSERVED
         STAGE  STAGE  TIME      CREST TIME

LITTLE SIOUX RIVER
MIFI4    12.0   12.51 TUE 10 AM  12.5  TUE MAY 29

MG
7 follow-up statements
498 
WGUS83 KFSD 300331
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1031 PM CDT TUE MAY 29 2012

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...MINNESOTA...

  BIG SIOUX RIVER AT HAWARDEN 
  BIG SIOUX RIVER AT AKRON 
  ROCK RIVER AT ROCK RAPIDS 
  OCHEYEDAN RIVER NEAR SPENCER 
  SPLIT ROCK CREEK BELOW JASPER
  LITTLE SIOUX RIVER AT SPENCER 
  LITTLE SIOUX RIVER AT LINN GROVE 
  LITTLE SIOUX RIVER NEAR MILFORD
   
.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. 

&&

IAC167-SDC083-127-310731-
/O.EXT.KFSD.FL.W.0030.000000T0000Z-120602T0400Z/
/HAWI4.1.ER.120528T1200Z.120531T0000Z.120601T0400Z.NO/
1031 PM CDT TUE MAY 29 2012

...FLOOD WARNING EXTENDED UNTIL 11 PM FRIDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE BIG SIOUX RIVER AT HAWARDEN.
* UNTIL FRIDAY EVENING.
* AT 07PM TUESDAY THE STAGE WAS 16.2 FEET.
* FLOOD STAGE IS 15.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON MONDAY MAY 
  28.
* FORECAST...THE RIVER WILL CREST NEAR 16.9 FEET BY WEDNESDAY MAY 30.
  THE RIVER WILL FALL BELOW FLOOD STAGE THURSDAY MAY 31.

$$

IAC149-SDC127-310731-
/O.EXT.KFSD.FL.W.0031.000000T0000Z-120602T1730Z/
/AKRI4.2.ER.120528T2033Z.120531T1200Z.120601T1730Z.NO/
1031 PM CDT TUE MAY 29 2012

...FLOOD WARNING EXTENDED UNTIL 12 PM SATURDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE BIG SIOUX RIVER AT AKRON.
* UNTIL SATURDAY AFTERNOON.
* AT 10PM TUESDAY THE STAGE WAS 17.2 FEET.
* FLOOD STAGE IS 16.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 18.1 FEET BY THURSDAY MAY 31. 
  THE RIVER WILL FALL BELOW FLOOD STAGE FRIDAY JUNE 01.
* AT STAGES NEAR 17.0 FEET...ABOUT 6500 ACRES OF FARM LAND ARE 
  FLOODED. 


$$

MNC133-SDC099-310731-
/O.CON.KFSD.FL.W.0036.000000T0000Z-000000T0000Z/
/JSPM5.1.ER.120528T2139Z.120529T1545Z.000000T0000Z.UU/
1031 PM CDT TUE MAY 29 2012

THE FLOOD WARNING CONTINUES FOR
  THE SPLIT ROCK CREEK BELOW JASPER.
* UNTIL FURTHER NOTICE.
* AT 10PM TUESDAY THE STAGE WAS 91.5 FEET.
* FLOOD STAGE IS 91.0 FEET.
* AT STAGES NEAR 91.0 FEET...THE LOWER BANKS ON THIS STRETCH OF THE 
  CREEK ARE OVERTOPPED. THE LOW WATER CROSSING ON 250TH STREET AT THE 
  MN/SD STATE LINE IS FLOODED. 


$$

IAC119-310600-
/O.EXT.KFSD.FL.W.0032.000000T0000Z-120531T0600Z/
/RAPI4.1.ER.120528T1200Z.120529T0200Z.120530T0600Z.NO/
1031 PM CDT TUE MAY 29 2012

...FLOOD WARNING EXTENDED UNTIL 1 AM THURSDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT ROCK RAPIDS.
* UNTIL LATE WEDNESDAY NIGHT.
* AT 10PM TUESDAY THE STAGE WAS 13.0 FEET.
* FLOOD STAGE IS 13.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  WEDNESDAY MAY 30.
* AT STAGES NEAR 13.0 FEET...THE LOWER BANKS ON THE LEFT SIDE OF THE 
  RIVER WILL BEGIN FLOODING. 


$$

IAC041-310730-
/O.EXT.KFSD.FL.W.0033.000000T0000Z-120601T0712Z/
/SPOI4.1.ER.120529T1000Z.120530T0600Z.120531T0712Z.NO/
1031 PM CDT TUE MAY 29 2012

...FLOOD WARNING EXTENDED UNTIL 2 AM FRIDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE OCHEYEDAN RIVER NEAR SPENCER.
* UNTIL LATE THURSDAY NIGHT.
* AT 09PM TUESDAY THE STAGE WAS 8.6 FEET.
* FLOOD STAGE IS 8.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 8.7 FEET BY WEDNESDAY MAY 30. 
  THE RIVER WILL FALL BELOW FLOOD STAGE THURSDAY MAY 31.
* AT STAGES NEAR 8.0 FEET...MINOR FLOODING OF PASTURE LAND BEGINS. 


$$

IAC041-059-310730-
/O.CON.KFSD.FL.W.0037.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.000000T0000Z.120529T1440Z.000000T0000Z.NO/
1031 PM CDT TUE MAY 29 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER NEAR MILFORD.
* UNTIL FURTHER NOTICE.
* AT 09AM TUESDAY THE STAGE WAS 12.5 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 12.0 FEET...MINOR FLOODING OF LOW LYING AGRICULTURAL
  LANDS BEGINS. 


$$

IAC041-310730-
/O.EXT.KFSD.FL.W.0034.000000T0000Z-120603T0600Z/
/SPWI4.1.ER.120528T2326Z.120530T0600Z.120602T0600Z.NO/
1031 PM CDT TUE MAY 29 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT SPENCER.
* UNTIL LATE SATURDAY NIGHT.
* AT 05PM TUESDAY THE STAGE WAS 11.1 FEET.
* FLOOD STAGE IS 10.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON MONDAY MAY 
  28.
* FORECAST...THE RIVER WILL CREST NEAR 11.2 FEET BY WEDNESDAY MAY 30.
  THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY JUNE 02.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR 
  FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS 
  BEGINS. 


$$

IAC021-041-310730-
/O.EXT.KFSD.FL.W.0035.000000T0000Z-120603T1200Z/
/LNNI4.1.ER.120529T1245Z.120601T0000Z.120602T1200Z.NO/
1031 PM CDT TUE MAY 29 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT LINN GROVE.
* UNTIL SUNDAY MORNING.
* AT 10PM TUESDAY THE STAGE WAS 18.0 FEET.
* FLOOD STAGE IS 18.0 FEET.
* RECENT ACTIVITY...THE RIVER ROSE ABOVE FLOOD STAGE ON TUESDAY MAY 
  29.
* FORECAST...RISE ABOVE FLOOD STAGE BY 1 AM WEDNESDAY AND CREST NEAR 
  18.2 FEET BY THURSDAY MAY 31. THE RIVER WILL FALL BELOW FLOOD STAGE
  BY SATURDAY JUNE 02.
* 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
HAWI4    15.0   16.25   TUE  8 PM  16.9   WED 7 PM 
AKRI4    16.0   17.18   TUE 10 PM  18.1   THU 7 AM 

SPLIT ROCK CREEK
JSPM5    91.0   91.48   TUE 10 PM    

ROCK RIVER
RAPI4    13.0   13.01   TUE 10 PM  13.0   WED 1 AM   15.0   MON MAY 28

OCHEYEDAN RIVER
SPOI4     8.0    8.57   TUE 10 PM   8.7   WED 1 AM    

LITTLE SIOUX RIVER
MIFI4    12.0   12.51   TUE 10 AM   
SPWI4    10.0   11.05   TUE  6 PM   11.2   WED 1 AM    
LNNI4    18.0   17.97   TUE 10 PM   18.2   THU 7 PM
735 
WGUS83 KFSD 301406
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
906 AM CDT WED MAY 30 2012

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
MINNESOTA...SOUTH DAKOTA...IOWA...

  SPLIT ROCK CREEK BELOW JASPER 
  ROCK RIVER AT ROCK RAPIDS 

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...

  BIG SIOUX RIVER AT HAWARDEN 
  BIG SIOUX RIVER AT AKRON 
  OCHEYEDAN RIVER NEAR SPENCER 
  LITTLE SIOUX RIVER NEAR MILFORD
  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. 

&&

IAC167-SDC083-127-311806-
/O.EXT.KFSD.FL.W.0030.000000T0000Z-120602T1400Z/
/HAWI4.1.ER.120528T1200Z.120531T0000Z.120601T1400Z.NO/
906 AM CDT WED MAY 30 2012

...FLOOD WARNING EXTENDED UNTIL 9 AM SATURDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE BIG SIOUX RIVER AT HAWARDEN.
* UNTIL SATURDAY MORNING.
* AT 07AM WEDNESDAY THE STAGE WAS ESTIMATED AT 16.6 FEET.
* FLOOD STAGE IS 15.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 16.9 FEET BY WEDNESDAY MAY 30.
  THE RIVER WILL FALL BELOW FLOOD STAGE FRIDAY JUNE 01.

$$

IAC149-SDC127-311805-
/O.EXT.KFSD.FL.W.0031.000000T0000Z-120603T0600Z/
/AKRI4.2.ER.120528T2033Z.120531T1800Z.120602T0600Z.NO/
906 AM CDT WED MAY 30 2012

...FLOOD WARNING EXTENDED UNTIL 1 AM SUNDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE BIG SIOUX RIVER AT AKRON.
* UNTIL LATE SATURDAY NIGHT.
* AT 08AM WEDNESDAY THE STAGE WAS 17.6 FEET.
* FLOOD STAGE IS 16.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 18.2 FEET BY THURSDAY MAY 31. 
  THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY JUNE 02.
* AT STAGES NEAR 17.0 FEET...ABOUT 6500 ACRES OF FARM LAND ARE 
  FLOODED. 

$$

MNC133-SDC099-301436-
/O.CAN.KFSD.FL.W.0036.000000T0000Z-120530T1406Z/
/JSPM5.1.ER.120528T2139Z.120529T1545Z.000000T0000Z.UU/
906 AM CDT WED MAY 30 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE SPLIT ROCK CREEK BELOW JASPER.
* AT 08AM WEDNESDAY THE STAGE WAS 91.0 FEET.
* FLOOD STAGE IS 91.0 FEET.
* AT STAGES NEAR 91.0 FEET...THE LOWER BANKS ON THIS STRETCH OF THE 
  CREEK ARE OVERTOPPED. THE LOW WATER CROSSING ON 250TH STREET AT THE 
  MN/SD STATE LINE IS FLOODED. 

$$

IAC041-311805-
/O.EXT.KFSD.FL.W.0033.000000T0000Z-120602T0000Z/
/SPOI4.1.ER.120529T1000Z.120530T1800Z.120601T0000Z.NO/
906 AM CDT WED MAY 30 2012

...FLOOD WARNING EXTENDED UNTIL 7 PM FRIDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE OCHEYEDAN RIVER NEAR SPENCER.
* UNTIL FRIDAY EVENING.
* AT 08AM WEDNESDAY THE STAGE WAS 8.8 FEET.
* FLOOD STAGE IS 8.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 8.9 FEET BY WEDNESDAY MAY 30. 
  THE RIVER WILL FALL BELOW FLOOD STAGE THURSDAY MAY 31.
* AT STAGES NEAR 9.5 FEET...SIGNIFICANT AMOUNTS OF PASTURE AND OTHER 
  FARM LAND BEGIN FLOODING. 

$$

IAC041-059-311805-
/O.CON.KFSD.FL.W.0037.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.000000T0000Z.120530T1300Z.000000T0000Z.NO/
906 AM CDT WED MAY 30 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER NEAR MILFORD.
* UNTIL FURTHER NOTICE.
* AT 08AM WEDNESDAY THE STAGE WAS 13.0 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 14.0 FEET...SIGNIFICANT AMOUNTS OF PASTURE AND OTHER
  FARM LANDS BEGIN TO FLOOD. 

$$

IAC041-311805-
/O.EXT.KFSD.FL.W.0034.000000T0000Z-120604T0600Z/
/SPWI4.1.ER.120528T2326Z.120530T1800Z.120603T0600Z.NO/
906 AM CDT WED MAY 30 2012

...FLOOD WARNING EXTENDED UNTIL 1 AM MONDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT SPENCER.
* UNTIL LATE SUNDAY NIGHT.
* AT 07AM WEDNESDAY THE STAGE WAS ESTIMATED AT 11.4 FEET.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...THE RIVER IS NEAR CREST NOW...AND WILL FALL BELOW FLOOD
  STAGE SUNDAY JUNE 03.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR 
  FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS 
  BEGINS. 

$$

IAC021-041-311805-
/O.EXT.KFSD.FL.W.0035.000000T0000Z-120604T1200Z/
/LNNI4.1.ER.120529T1245Z.120601T0000Z.120603T1200Z.NO/
906 AM CDT WED MAY 30 2012

...FLOOD WARNING EXTENDED UNTIL 7 AM MONDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT LINN GROVE.
* UNTIL MONDAY MORNING.
* AT 08AM WEDNESDAY THE STAGE WAS 18.0 FEET.
* FLOOD STAGE IS 18.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 18.3 FEET BY FRIDAY JUNE 01. 
  THE RIVER WILL FALL BELOW FLOOD STAGE SUNDAY JUNE 03.
* AT STAGES NEAR 18.5 FEET...THE CITY PARK IN SIOUX RAPIDS IS 
  FLOODED. 

$$

IAC119-301436-
/O.CAN.KFSD.FL.W.0032.000000T0000Z-120531T0600Z/
/RAPI4.1.ER.120528T1200Z.120529T0200Z.120530T0341Z.NO/
906 AM CDT WED MAY 30 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE ROCK RIVER AT ROCK RAPIDS.
* AT 08AM WEDNESDAY THE STAGE WAS 12.5 FEET.
* FLOOD STAGE IS 13.0 FEET.
* RECENT ACTIVITY...THE RIVER FELL BELOW FLOOD STAGE AT 11 PM 
  TUESDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 10.9 FEET BY 7 AM 
  THURSDAY.
* AT STAGES NEAR 13.0 FEET...THE LOWER BANKS ON THE LEFT SIDE OF THE 
  RIVER WILL BEGIN FLOODING. 

$$

&& 
LOCATION FLOOD  LATEST OBSERVED  MAXIMUM FORECAST  RECENT OBSERVED
         STAGE  STAGE  TIME      STAGE  TIME       CREST TIME

BIG SIOUX RIVER
HAWI4    15.0  E16.60 WED 7 AM    16.9  WED 7 PM 
AKRI4    16.0   17.56 WED 8 AM    18.2  THU 1 PM 

SPLIT ROCK CREEK
JSPM5    91.0   91.02 WED 8 AM                      91.9  TUE MAY 29

OCHEYEDAN RIVER
SPOI4     8.0    8.81 WED 9 AM     8.9  WED 1 PM  

LITTLE SIOUX RIVER
MIFI4    12.0   13.04 WED 8 AM                      13.0  WED MAY 30
SPWI4    10.0  E11.40 WED 7 AM    11.4  WED 1 PM 
LNNI4    18.0   18.03 WED 8 AM    18.3  THU 7 PM 

ROCK RIVER
RAPI4    13.0   12.47 WED 8 AM                      15.0  MON MAY 28

MG
993 
WGUS83 KFSD 311444
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
944 AM CDT THU MAY 31 2012

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...

  BIG SIOUX RIVER AT HAWARDEN 
  BIG SIOUX RIVER AT AKRON 
  LITTLE SIOUX RIVER NEAR MILFORD
  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. 

&&

IAC167-SDC083-127-011844-
/O.EXT.KFSD.FL.W.0030.000000T0000Z-120602T1048Z/
/HAWI4.1.ER.120528T1200Z.120530T1400Z.120601T1048Z.NO/
944 AM CDT THU MAY 31 2012

THE FLOOD WARNING CONTINUES FOR
  THE BIG SIOUX RIVER AT HAWARDEN.
* UNTIL LATE FRIDAY NIGHT.
* AT 08AM THURSDAY THE STAGE WAS 16.3 FEET.
* FLOOD STAGE IS 15.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  FRIDAY JUNE 01.
* AT STAGES NEAR 15.0 FEET...AGRICULTURAL FLOODING BEGINS ON THE 
  SOUTH DAKOTA SIDE OF THE RIVER. 

$$

IAC149-SDC127-011844-
/O.EXT.KFSD.FL.W.0031.000000T0000Z-120603T0320Z/
/AKRI4.2.ER.120528T2033Z.120531T1315Z.120602T0320Z.NO/
944 AM CDT THU MAY 31 2012

THE FLOOD WARNING CONTINUES FOR
  THE BIG SIOUX RIVER AT AKRON.
* UNTIL SATURDAY EVENING.
* AT 09AM THURSDAY THE STAGE WAS 18.2 FEET.
* FLOOD STAGE IS 16.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  FRIDAY JUNE 01.
* AT STAGES NEAR 17.0 FEET...ABOUT 6500 ACRES OF FARM LAND ARE 
  FLOODED. 

$$

IAC041-059-011844-
/O.CON.KFSD.FL.W.0037.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.000000T0000Z.120530T1300Z.000000T0000Z.NO/
944 AM CDT THU MAY 31 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER NEAR MILFORD.
* UNTIL FURTHER NOTICE.
* AT 08AM THURSDAY THE STAGE WAS ESTIMATED AT 12.5 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 14.0 FEET...SIGNIFICANT AMOUNTS OF PASTURE AND OTHER
  FARM LANDS BEGIN TO FLOOD. 

$$

IAC041-011843-
/O.EXT.KFSD.FL.W.0034.000000T0000Z-120605T1800Z/
/SPWI4.1.ER.120528T2326Z.120531T1800Z.120604T1800Z.NO/
944 AM CDT THU MAY 31 2012

...FLOOD WARNING EXTENDED UNTIL 1 PM TUESDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT SPENCER.
* UNTIL TUESDAY AFTERNOON.
* AT 07AM THURSDAY THE STAGE WAS ESTIMATED AT 11.9 FEET.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...THE RIVER IS NEAR CREST NOW. THE RIVER WILL FALL BELOW 
  FLOOD STAGE MONDAY JUNE 04.

$$

IAC021-041-011843-
/O.EXT.KFSD.FL.W.0035.000000T0000Z-120605T1200Z/
/LNNI4.1.ER.120529T1245Z.120601T1200Z.120604T1200Z.NO/
944 AM CDT THU MAY 31 2012

...FLOOD WARNING EXTENDED UNTIL 7 AM TUESDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT LINN GROVE.
* UNTIL TUESDAY MORNING.
* AT 09AM THURSDAY THE STAGE WAS 18.1 FEET.
* FLOOD STAGE IS 18.0 FEET.
* FORECAST...THE RIVER WILL CREST NEAR 18.3 FEET BY FRIDAY JUNE 01. 
  THE RIVER WILL FALL BELOW FLOOD STAGE MONDAY JUNE 04.
* 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
HAWI4    15.0   16.30 THU 9 AM                      17.0  THU MAY 31
AKRI4    16.0   18.25 THU 9 AM                      18.3  THU MAY 31

LITTLE SIOUX RIVER
MIFI4    12.0  E12.50 THU 8 AM                     E13.2  THU MAY 31
SPWI4    10.0  E11.90 THU 7 AM    11.9  THU 1 PM    
LNNI4    18.0   18.09 THU 9 AM    18.3  FRI 7 AM    

MG
766 
WGUS83 KFSD 011409
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
909 AM CDT FRI JUN 1 2012

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...

  BIG SIOUX RIVER AT HAWARDEN 
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
SOUTH DAKOTA...

  BIG SIOUX RIVER AT AKRON 
  LITTLE SIOUX RIVER AT SPENCER 
  LITTLE SIOUX RIVER AT LINN GROVE 
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...
  LITTLE SIOUX RIVER NEAR MILFORD
   
.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. 

&&

IAC167-SDC083-127-011439-
/O.CAN.KFSD.FL.W.0030.000000T0000Z-120602T1048Z/
/HAWI4.1.ER.120528T1200Z.120530T1400Z.120601T0531Z.NO/
909 AM CDT FRI JUN 1 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE BIG SIOUX RIVER AT HAWARDEN.
* AT 08AM FRIDAY THE STAGE WAS 14.3 FEET.
* FLOOD STAGE IS 15.0 FEET.
* RECENT ACTIVITY...THE RIVER FELL BELOW FLOOD STAGE AT 1 AM FRIDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 14.1 FEET BY 7 AM 
  SATURDAY.
* AT STAGES NEAR 15.0 FEET...AGRICULTURAL FLOODING BEGINS ON THE 
SOUTH DAKOTA SIDE OF THE RIVER. 


$$

IAC149-SDC127-021808-
/O.EXT.KFSD.FL.W.0031.000000T0000Z-120603T0400Z/
/AKRI4.2.ER.120528T2033Z.120531T1315Z.120602T0400Z.NO/
909 AM CDT FRI JUN 1 2012

...FLOOD WARNING EXTENDED UNTIL 11 PM SATURDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE BIG SIOUX RIVER AT AKRON.
* UNTIL SATURDAY EVENING.
* AT 08AM FRIDAY THE STAGE WAS 17.5 FEET.
* FLOOD STAGE IS 16.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE  
  FRIDAY EVENING JUNE 01.
* AT STAGES NEAR 17.0 FEET...ABOUT 6500 ACRES OF FARM LAND ARE 
FLOODED. 


$$

IAC041-059-021808-
/O.CON.KFSD.FL.W.0037.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.000000T0000Z.120601T1320Z.000000T0000Z.NO/
909 AM CDT FRI JUN 1 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER NEAR MILFORD.
* UNTIL FURTHER NOTICE.
* AT 08AM FRIDAY THE STAGE WAS 13.7 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 14.0 FEET...SIGNIFICANT AMOUNTS OF PASTURE AND OTHER
FARM LANDS BEGIN TO FLOOD. 


$$

IAC041-021808-
/O.EXT.KFSD.FL.W.0034.000000T0000Z-120604T1200Z/
/SPWI4.1.ER.120528T2326Z.120530T1825Z.120603T1200Z.NO/
909 AM CDT FRI JUN 1 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT SPENCER.
* UNTIL MONDAY MORNING.
* AT 01PM WEDNESDAY THE STAGE WAS 11.6 FEET.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  SUNDAY JUNE 03.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR 
FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS 
BEGINS. 


$$

IAC021-041-021808-
/O.EXT.KFSD.FL.W.0035.000000T0000Z-120604T0000Z/
/LNNI4.1.ER.120529T1245Z.120601T1345Z.120603T0000Z.NO/
909 AM CDT FRI JUN 1 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT LINN GROVE.
* UNTIL SUNDAY EVENING.
* AT 09AM FRIDAY THE STAGE WAS 18.2 FEET.
* FLOOD STAGE IS 18.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  SATURDAY JUNE 02.
* 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
HAWI4    15.0   14.30 FRI 9 AM    14.8  FRI 1 PM    16.8  WED MAY 30
AKRI4    16.0   17.53 FRI 8 AM    17.1  FRI 1 PM    18.3  THU MAY 31

LITTLE SIOUX RIVER
MIFI4    12.0   13.70 FRI 8 AM      M     13.7  FRI JUN 01
SPWI4    10.0   11.60 WED 1 PM    11.1  FRI 1 PM    11.6  WED MAY 30
LNNI4    18.0   18.21 FRI 9 AM    18.2  FRI 1 PM    18.2  FRI JUN 01
242 
WGUS83 KFSD 021507
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1007 AM CDT SAT JUN 2 2012

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
SOUTH DAKOTA...

  BIG SIOUX RIVER AT AKRON 

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...

  LITTLE SIOUX RIVER AT LINN GROVE 
  LITTLE SIOUX RIVER NEAR MILFORD
  LITTLE SIOUX RIVER AT SPENCER
   
.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. 

&&

IAC041-059-031907-
/O.CON.KFSD.FL.W.0037.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.000000T0000Z.120601T1320Z.000000T0000Z.NO/
1007 AM CDT SAT JUN 2 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER NEAR MILFORD.
* UNTIL FURTHER NOTICE.
* AT 08AM FRIDAY THE STAGE WAS 13.7 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 14.0 FEET...SIGNIFICANT AMOUNTS OF PASTURE AND OTHER
  FARM LANDS BEGIN TO FLOOD. 

$$

IAC041-031906-
/O.CON.KFSD.FL.W.0034.000000T0000Z-120604T1200Z/
/SPWI4.1.ER.120528T2326Z.120530T1825Z.120603T1200Z.NO/
1007 AM CDT SAT JUN 2 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT SPENCER.
* UNTIL MONDAY MORNING.
* AT 11AM FRIDAY THE STAGE WAS 11.1 FEET.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...THE RIVER WILL FALL TO BELOW FLOOD STAGE BY 
  SUNDAY JUNE 03.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR 
  FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS 
  BEGINS. 

$$

IAC021-041-031906-
/O.EXT.KFSD.FL.W.0035.000000T0000Z-120605T1800Z/
/LNNI4.1.ER.120529T1245Z.120602T1400Z.120604T1800Z.NO/
1007 AM CDT SAT JUN 2 2012

...FLOOD WARNING EXTENDED UNTIL 1 PM TUESDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT LINN GROVE.
* UNTIL TUESDAY AFTERNOON.
* AT 09AM SATURDAY THE STAGE WAS 18.3 FEET.
* FLOOD STAGE IS 18.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  MONDAY JUNE 04.
* AT STAGES NEAR 18.5 FEET...THE CITY PARK IN SIOUX RAPIDS IS 
  FLOODED. 

$$

IAC149-SDC127-021537-
/O.CAN.KFSD.FL.W.0031.000000T0000Z-120603T0400Z/
/AKRI4.2.ER.120528T2033Z.120531T1315Z.120602T1230Z.NO/
1007 AM CDT SAT JUN 2 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE BIG SIOUX RIVER AT AKRON.
* AT 09AM SATURDAY THE STAGE WAS 15.9 FEET.
* FLOOD STAGE IS 16.0 FEET.
* RECENT ACTIVITY...THE RIVER FELL BELOW FLOOD STAGE AT 7 AM 
  SATURDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL. 
* AT STAGES NEAR 16.0 FEET...SEVERAL FARM LEVEES ARE OVERTOPPED WITH 
  SIGNIFICANT FLOODING OF AGRICULTURAL LANDS. 

$$

&& 
LOCATION FLOOD  LATEST OBSERVED  MAXIMUM FORECAST  RECENT OBSERVED
         STAGE  STAGE  TIME      STAGE   TIME      CREST  TIME

LITTLE SIOUX RIVER
MIFI4    12.0   13.70 FRI 8 AM                      13.7  FRI JUN 01
SPWI4    10.0   11.07 FRI 11 AM                     11.6  WED MAY 30
LNNI4    18.0   18.33 SAT 9 AM    18.3  SAT 1 PM    

BIG SIOUX RIVER
AKRI4    16.0   15.93 SAT 9 AM                      18.3  THU MAY 31
406 
WGUS83 KFSD 031503
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1003 AM CDT SUN JUN 3 2012

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...

  LITTLE SIOUX RIVER AT SPENCER 
  LITTLE SIOUX RIVER AT LINN GROVE 
  LITTLE SIOUX RIVER NEAR MILFORD
   
.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. 

&&

IAC041-059-041903-
/O.CON.KFSD.FL.W.0037.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.000000T0000Z.120601T1320Z.000000T0000Z.NO/
1003 AM CDT SUN JUN 3 2012

THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER NEAR MILFORD.
* UNTIL FURTHER NOTICE.
* AT 10AM SATURDAY THE STAGE WAS 13.0 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 14.0 FEET...SIGNIFICANT AMOUNTS OF PASTURE AND OTHER
  FARM LANDS BEGIN TO FLOOD. 

$$

IAC041-041902-
/O.EXT.KFSD.FL.W.0034.000000T0000Z-120605T0000Z/
/SPWI4.1.ER.120528T2326Z.120530T1825Z.120604T0000Z.NO/
1003 AM CDT SUN JUN 3 2012

...FLOOD WARNING EXTENDED UNTIL 7 PM MONDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT SPENCER.
* UNTIL MONDAY EVENING.
* AT 11AM FRIDAY THE STAGE WAS 11.1 FEET.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE ON 
  SUNDAY JUNE 03.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR 
  FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS 
  BEGINS. 

$$

IAC021-041-041902-
/O.EXT.KFSD.FL.W.0035.000000T0000Z-120606T1200Z/
/LNNI4.1.ER.120529T1245Z.120603T0415Z.120605T1200Z.NO/
1003 AM CDT SUN JUN 3 2012

...FLOOD WARNING EXTENDED UNTIL 7 AM WEDNESDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT LINN GROVE.
* UNTIL WEDNESDAY MORNING.
* AT 09AM SUNDAY THE STAGE WAS 18.3 FEET.
* FLOOD STAGE IS 18.0 FEET.
* FORECAST...THE RIVER WILL SLOWLY FALL THROUGH THE UPCOMING WEEK.
* 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

LITTLE SIOUX RIVER
MIFI4    12.0   13.00 SAT 10 AM                     13.7  FRI JUN 01
SPWI4    10.0   11.07 FRI 11 AM                     11.6  WED MAY 30
LNNI4    18.0   18.28 SUN  9 AM                     18.4  SAT JUN 02
101 
WGUS83 KFSD 041609
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1109 AM CDT MON JUN 4 2012

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN IOWA...

  LITTLE SIOUX RIVER NEAR MILFORD 

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN IOWA...

  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. 

&&

IAC041-059-041639-
/O.CAN.KFSD.FL.W.0037.000000T0000Z-120604T1609Z/
/MIFI4.1.ER.000000T0000Z.120601T1320Z.000000T0000Z.NO/
1109 AM CDT MON JUN 4 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE LITTLE SIOUX RIVER NEAR MILFORD.
* AT 11AM MONDAY THE STAGE WAS 11.5 FEET.
* FLOOD STAGE IS 12.0 FEET.
* AT STAGES NEAR 12.0 FEET...MINOR FLOODING OF LOW LYING AGRICULTURAL
  LANDS BEGINS. 

$$

IAC041-052008-
/O.EXT.KFSD.FL.W.0034.000000T0000Z-120606T1014Z/
/SPWI4.1.ER.120528T2326Z.120530T1825Z.120605T1014Z.NO/
1109 AM CDT MON JUN 4 2012

...FLOOD WARNING EXTENDED UNTIL 5 AM WEDNESDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT SPENCER.
* UNTIL LATE TUESDAY NIGHT.
* AT 10AM MONDAY THE STAGE WAS 10.4 FEET.
* FLOOD STAGE IS 10.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  TUESDAY JUNE 05.
* AT STAGES NEAR 10.0 FEET...THE RIGHT BANK OVERFLOWS...AND MINOR 
  FLOODING OF THE SPENCER CITY PARK AND SOME RURAL AGRICULTURAL AREAS 
  BEGINS. 

$$

IAC021-041-052008-
/O.EXT.KFSD.FL.W.0035.000000T0000Z-120607T1800Z/
/LNNI4.1.ER.120529T1245Z.120603T0415Z.120606T1800Z.NO/
1109 AM CDT MON JUN 4 2012

...FLOOD WARNING EXTENDED UNTIL 1 PM THURSDAY... 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE SIOUX RIVER AT LINN GROVE.
* UNTIL THURSDAY AFTERNOON.
* AT 11AM MONDAY THE STAGE WAS 18.2 FEET.
* FLOOD STAGE IS 18.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  WEDNESDAY JUNE 06.
* AT STAGES NEAR 18.5 FEET...THE CITY PARK IN SIOUX RAPIDS IS 
  FLOODED. 

$$

&& 
LOCATION FLOOD  LATEST OBSERVED  RECENT OBSERVED
         STAGE  STAGE  TIME      CREST TIME

LITTLE SIOUX RIVER
MIFI4    12.0   11.50 MON 11 AM  13.7  FRI JUN 01
SPWI4    10.0   10.44 MON 11 AM  11.9  THU MAY 31
LNNI4    18.0   18.20 MON 11 AM  18.4  SAT JUN 02

MG

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 May 29, 6:22 AM CDT, 3 hours 23 minutes earlier.

Area forecast discussion, May 29, 6:22 AM CDT, 3 hours 23 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
622 AM CDT TUE MAY 29 2012

.DISCUSSION.../ISSUED AT 320 AM CDT/
WELL DEFINED UPPER LEVEL LOW OVER NORTHERN MINNESOTA SEEN ON WATER
VAPOR IMAGE EARLY THIS MORNING...AND WILL PUSH INTO THE GREAT LAKES
REGION BY AFTERNOON WITH THERMAL PROFILES COOLING BEHIND THE
FEATURE. RH TIME SECTIONS/SOUNDINGS STILL INDICATING THE DEVELOPMENT
OF CUMULUS ACROSS OUR NORTHERN AREAS THIS AFTERNOON WITH COOLING
ALOFT...AND THIS SHOULD KEEP TEMPERATURES IN THE UPPER 50S/LOWER 60S
OVER THAT AREA. FARTHER TO THE SOUTH WHERE MORE SUN IS
EXPECTED...GOOD MIXING WILL YIELD HIGHS IN THE UPPER 60S TO LOWER
70S. WILL BE A BREEZY DAY WITH COLD AIR ADVECTION/STEEP LOW LEVEL
LAPSE RATES AND WINDS AT THE TOP OF THE MIXED LAYER CLOSE TO 25 KTS.

SURFACE RIDGE AXIS SLIDES SOUTHWARD ACROSS THE REGION TONIGHT...AND
WITH THAT WILL SEE WINDS DIE OFF ALLOWING TEMPERATURES TO DROP INTO
THE UPPER 30S/LOWER 40S ACROSS MUCH OF THE AREA. WILL HAVE
INCREASING CLOUDS IN OUR SOUTHWEST LATER IN THE NIGHT...THOUGH THINK
ANY PRECIPITATION WITH NEXT SYSTEM WILL NOT MAKE IT INTO OUR CWA
BEFORE 12Z ON WEDNESDAY WITH MODELS CONTINUING TO SLOW THE SYSTEM
JUST A BIT.

WELL ADVERTISED SHORTWAVE STILL ON TRACK TO PUSH ACROSS THE REGION
ON WEDNESDAY INTO EARLY THURSDAY. GOOD DYNAMICS WITH THE
SYSTEM...WITH STRONG UPPER LEVEL DIVERGENCE/DIV Q AND INCREASING MID
LEVEL FRONTOGENESIS OVER THE AREA LATER ON WEDNESDAY AND WEDNESDAY
NIGHT...AND CATEGORICAL POPS REMAIN IN ORDER. BETTER INSTABILITY
LOOKS TO REMAIN TO OUR SOUTH...OVER NEBRASKA...SO KEPT WITH ONLY
ISOLATED THUNDERSTORMS ALONG THE MISSOURI RIVER CORRIDOR DURING
THE PERIOD. QPF AMOUNTS ARE PRETTY DECENT WITH THE SYSTEM...TOTALING
AROUND 1 INCH THROUGH THE MISSOURI RIVER CORRIDOR...WITH LESSER
AMOUNTS BACK TO THE NORTH AND EAST FOR THE ENTIRE EVENT. WITH THE
CLOUDS/SHOWERS AND A NORTHEASTERLY LOW LEVEL FLOW HIGHS WILL BE MUCH
BELOW NORMAL FOR WEDNESDAY AND THURSDAY...AVERAGING MID 50S TO LOWER
60S BOTH DAYS.  /JM

THE EXTENDED RANGE IS CHARACTERIZED BY AN EXITING UPPER LEVEL LOW
FRIDAY...FOLLOWED BY A BUILDING RIDGE ALOFT...AND THEN A POSSIBLE
COOL FRONTAL PASSAGE BY THE END OF THE WEEKEND.

THINKING FRIDAY WILL SEE HIGHS IN THE 60S EAST AND 70S WEST...AS THE
UPPER LEVEL LOW PUSHES AWAY. SHOULD BE A MAINLY DRY DAY AND NIGHT.
THE EC HAS A WEAK WAVE DROPPING IN FRIDAY EVENING...WHICH IF TRUE
WOULD LEAD TO THE CHANCE OF A FEW SHOWERS...BUT KEPT THE FORECAST
DRY FOR NOW UNTIL BETTER MODEL AGREEMENT. BY SATURDAY INTO SUNDAY
THE RIDGE BUILDS IN...BRINGING WARMER TEMPERATURES...WITH HIGHS
LIKELY IN THE 70S SATURDAY AND 80S ON SUNDAY. WILL ALSO INCREASING
LOW LEVEL HUMIDITY THROUGH THE WEEKEND.

SHOULD ALSO SEE SOME STEEP MID LEVEL LAPSE RATES ADVECT IN...LEADING
TO INCREASING INSTABILITY LATER SATURDAY INTO SUNDAY. HOWEVER
WARMING TEMPERATURES IN THE MID LEVELS WILL HELP CAP US FROM MUCH IN
THE WAY OF THUNDERSTORM DEVELOPMENT. DID INTRODUCE SLIGHT CHANCE OF
THUNDERSTORMS INTO THE FORECAST FOR SATURDAY AND SUNDAY NIGHTS
THOUGH...MAINLY NORTH OF INTERSTATE 90...WHERE THE CAP SHOULD BE
WEAKEST. EC/GFS BOTH SHOW SOME ELEVATED THUNDERSTORM DEVELOPMENT
ACROSS EASTERN MONTANA INTO PARTS OF NORTH DAKOTA SATURDAY AFTERNOON
ASSOCIATED WITH THE COOL FRONT AND UPPER LEVEL JET. GIVEN THE UPPER
LEVEL FLOW...THESE ARE THE STORMS THAT COULD MOVE SOUTHEAST AND
IMPACT OUR NORTHERN AREAS SATURDAY NIGHT WITH SOME WEAK ELEVATED
INSTABILITY EXPECTED. THE FRONT SHOULD PASS THROUGH SOMETIME SUNDAY
INTO SUNDAY NIGHT. AGAIN ATMOSPHERE LOOKS CAPPED...BUT IF WE CAN GET
ENOUGH MOISTURE ADVECTED IN...COULD SEE A COUPLE ELEVATED STORMS
NEAR THE FRONTAL ZONE. MONDAY SHOULD BE DRY ON THE COOL SIDE OF THE
FRONT...THOUGH NOT MUCH COLD AIR...SO ONLY EXPECTING HIGHS A COUPLE
DEGREES COOLER THAN SUNDAY. /CHENARD

&&

.AVIATION.../FOR THE 12Z TAF ISSUANCE/
VFR CONDITIONS ARE EXPECTED TO PERSIST THROUGH THE PERIOD. WILL SEE
NUMEROUS CU FORM THIS MORNING AND AFTERNOON...ESPECIALLY FROM
INTERSTATE 90 AND NORTH. COULD BRIEFLY GO MVFR AT KHON THIS MORNING
WITH CU AROUND 2500 FT...BUT BASES SHOULD GENERALLY BE BETWEEN 3 AND
5 THOUSAND FEET FOR MUCH OF THE DAY. WINDS WILL BE BLUSTERY OUT OF
THE NORTHWEST UNTIL SUNSET...WITH GUSTS AROUND 25 KTS. WILL SEE
INCREASING MID LEVEL CLOUDS TOWARDS MORNING ACROSS THE WEST AS OUR
NEXT SYSTEM APPROACHES. /CHENARD

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
MN...NONE.
IA...NONE.
NE...NONE.

&&
Hazardous weather outlook, May 29, 5:22 AM CDT, 4 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
522 AM CDT TUE MAY 29 2012

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-301200-
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-
522 AM CDT TUE MAY 29 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

FLOODING...
DUE TO RECENT HEAVY RAINS...THE OCHEYEDEN RIVER AT SPENCER...THE
ROCK RIVER AT ROCK RAPIDS AND ROCK VALLEY...THE LITTLE SIOUX
RIVER AT SPENCER AND LINN GROVE...AND THE BIG SIOUX RIVER AT
HAWARDEN AND AKRON WILL CREST ABOVE FLOOD STAGE AT VARIOUS TIMES
THROUGH THURSDAY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.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.

Nearby

River Flood Warnings in Iowa, 2012Every river flood warning in 2012

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.