533  
WGUS43 KDMX 191450  
FLWDMX  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
FLOOD WARNING  
NATIONAL WEATHER SERVICE DES MOINES IA  
950 AM CDT TUE AUG 19 2025  
 
...THE NATIONAL WEATHER SERVICE IN DES MOINES IA HAS ISSUED A FLOOD  
WARNING FOR THE FOLLOWING RIVERS IN IOWA...  
 
CEDAR RIVER AT CEDAR FALLS AFFECTING BLACK HAWK COUNTY.  
 
SHELL ROCK RIVER AT SHELL ROCK AFFECTING BREMER, BUTLER AND BLACK  
HAWK COUNTIES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR THE LATEST STREAM OBSERVATIONS AND FORECASTS REFER TO  
WEATHER.GOV/DESMOINES/WATER.  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
RIVER FORECASTS INCLUDE OBSERVED PRECIPITATION PLUS FORECAST  
PRECIPITATION OVER THE NEXT 24 HOURS.  
 

 
 
IAC013-017-023-201100-  
/O.NEW.KDMX.FL.W.0019.250819T2248Z-250823T0000Z/  
/SHRI4.1.ER.250819T2248Z.250820T1800Z.250822T1800Z.NO/  
950 AM CDT TUE AUG 19 2025  
   
..FLOOD WARNING IN EFFECT FROM THIS AFTERNOON TO FRIDAY EVENING
 
 
* WHAT...MINOR FLOODING IS FORECAST.  
 
* WHERE...THE SHELL ROCK RIVER AT SHELL ROCK, OR FROM FLOOD CREEK  
NEAR CLARKSVILLE TO THE CEDAR RIVER.  
 
* WHEN...FROM THIS AFTERNOON TO FRIDAY EVENING.  
 
* IMPACTS...AT 12.5 FEET, SEEPAGE OCCURS IN SEVERAL BASEMENTS CLOSE  
TO THE RIVER.  
 
* ADDITIONAL DETAILS...  
- AT 8:45 AM CDT TUESDAY THE STAGE WAS 11.3 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE  
LATE THIS AFTERNOON TO A CREST OF 12.7 FEET EARLY TOMORROW  
AFTERNOON. IT WILL THEN FALL BELOW FLOOD STAGE EARLY FRIDAY  
AFTERNOON.  
- FLOOD STAGE IS 12.0 FEET.  
 

 
 
LAT...LON 4261 9249 4265 9255 4282 9280 4286 9268  
4269 9249  
 

 
 
IAC013-201100-  
/O.NEW.KDMX.FL.W.0020.250820T1342Z-250823T1618Z/  
/CEDI4.1.ER.250820T1342Z.250822T0000Z.250823T1017Z.NO/  
950 AM CDT TUE AUG 19 2025  
 
...FLOOD WARNING IN EFFECT FROM WEDNESDAY MORNING TO LATE SATURDAY  
MORNING...  
 
* WHAT...MINOR FLOODING IS FORECAST.  
 
* WHERE...THE CEDAR RIVER AT CEDAR FALLS, OR FROM THE WEST FORK  
CEDAR RIVER TO THE CEDAR FALLS-WATERLOO CITY LIMITS.  
 
* WHEN...FROM WEDNESDAY MORNING TO LATE SATURDAY MORNING.  
 
* IMPACTS...AT 91.0 FEET, WATER AFFECTS BIG WOODS RD SOUTH OF  
DUNKERTON RD AS WELL AS THE NORTH PARKING LOT OF ISLAND PARK.  
 
* ADDITIONAL DETAILS...  
- AT 8:45 AM CDT TUESDAY THE STAGE WAS 83.5 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE  
TOMORROW MORNING TO A CREST OF 91.1 FEET THURSDAY EVENING. IT  
WILL THEN FALL BELOW FLOOD STAGE EARLY SATURDAY MORNING.  
- FLOOD STAGE IS 89.0 FEET.  
 

 
 
LAT...LON 4256 9238 4249 9247 4258 9255 4262 9255  
4262 9241  
 

 
 
JIMENEZ  
 
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