407  
WGUS83 KFSD 161918  
FLSFSD  
FLOOD STATEMENT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
218 PM CDT MON SEP 16 2019  
 
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN SOUTH  
DAKOTA...IOWA...  
 
SPLIT ROCK CREEK NEAR CORSON  
ROCK RIVER AT ROCK 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://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.  
 

 
 
SDC099-161948-  
/O.CAN.KFSD.FL.W.0304.000000T0000Z-190917T1800Z/  
/COSS2.3.ER.190912T1030Z.190913T0430Z.190916T1500Z.NR/  
218 PM CDT MON SEP 16 2019  
 
THE FLOOD WARNING IS CANCELLED FOR  
THE SPLIT ROCK CREEK NEAR CORSON.  
* AT 01PM MONDAY THE STAGE WAS 8.26 FEET.  
* FLOOD STAGE IS 8.50 FEET.  
* RECENT ACTIVITY...THE RIVER FELL BELOW FLOOD STAGE ON MONDAY  
SEPTEMBER 16.  
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 7.3 FEET BY 7 AM  
TUESDAY.  
* AT STAGES NEAR 8.5 FEET...FLOODING OF THE LOWER LYING AGRICULTURAL  
LAND BEGINS.  
 

 
 
LAT...LON 4372 9654 4372 9648 4362 9654 4358 9654  
4358 9661 4365 9661  
 

 
 
IAC119-161948-  
/O.CAN.KFSD.FL.W.0306.000000T0000Z-190917T1800Z/  
/RAPI4.3.ER.190912T2002Z.190914T0645Z.190916T1615Z.NO/  
218 PM CDT MON SEP 16 2019  
 
THE FLOOD WARNING IS CANCELLED FOR  
THE ROCK RIVER AT ROCK RAPIDS.  
* AT 01PM MONDAY THE STAGE WAS 12.84 FEET.  
* FLOOD STAGE IS 13.00 FEET.  
* RECENT ACTIVITY...THE RIVER FELL BELOW FLOOD STAGE ON MONDAY  
SEPTEMBER 16.  
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 11.7 FEET BY 7 AM  
TUESDAY.  
* AT STAGES NEAR 13.0 FEET...THE LOWER BANKS ON THE LEFT SIDE OF THE  
RIVER WILL BEGIN FLOODING.  
 

 
 
LAT...LON 4350 9625 4350 9614 4338 9611 4331 9618  
4334 9625 4341 9619  
 

 
 

 
LOCATION FLOOD LATEST OBSERVED RECENT OBSERVED  
STAGE STAGE TIME CREST TIME  
 
SPLIT ROCK CREEK  
COSS2 8.5 8.26 MON 2 PM 18.7 THU SEP 12  
 
ROCK RIVER  
RAPI4 13.0 12.84 MON 1 PM 21.5 SAT SEP 14  
 
MG  
 
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