329  
WGUS45 KPIH 221844  
FLWPIH  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
FLOOD WARNING  
NATIONAL WEATHER SERVICE POCATELLO ID  
1244 PM MDT MON APR 22 2024  
 
...THE NATIONAL WEATHER SERVICE IN POCATELLO ID HAS ISSUED A FLOOD  
WARNING FOR THE FOLLOWING RIVERS IN IDAHO...  
 
PORTNEUF RIVER AT TOPAZ AFFECTING BANNOCK COUNTY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
CAUTION IS URGED WHEN WALKING NEAR RIVERBANKS.  
 
MOTORISTS SHOULD NOT ATTEMPT TO DRIVE AROUND BARRICADES OR DRIVE  
CARS THROUGH FLOODED AREAS.  
 
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV/POCATELLO.  
 

 
 
IDC005-231900-  
/O.NEW.KPIH.FL.W.0002.240422T1844Z-000000T0000Z/  
/TOPI1.N.SM.000000T0000Z.000000T0000Z.000000T0000Z.NR/  
1244 PM MDT MON APR 22 2024  
 
...FLOOD WARNING FOR SNOWMELT IN EFFECT FROM THIS AFTERNOON UNTIL  
FURTHER NOTICE...   
..REPLACES RIVER FLOOD ADVISORY
 
 
* WHAT...MINOR FLOODING IS FORECAST. THIS APPROACHES THE FLOOD OF  
RECORD.  
 
* WHERE...PORTNEUF RIVER AT TOPAZ.  
 
* WHEN...FROM THIS AFTERNOON UNTIL FURTHER NOTICE.  
 
* IMPACTS...AT 4.0 FEET, LOWLAND AND CROP FIELD FLOODING POSSIBLE  
FROM PEBBLE CREEK TO INKOM.  
 
* ADDITIONAL DETAILS...  
- AT 12:15 PM MDT MONDAY THE STAGE WAS 3.9 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 4.1  
FEET EARLY FRIDAY AFTERNOON. IT WILL THEN RISE TO 4.1 FEET  
EARLY FRIDAY AFTERNOON. ADDITIONAL RISES ARE POSSIBLE  
THEREAFTER.  
- FLOOD STAGE IS 4.0 FEET.  
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF  
4.0 FEET ON 02/11/2007.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 

 
 
FLD OBSERVED FORECASTS (12 PM MDT)  
LOCATION STG STG DAY/TIME TUE WED THU  
 
PORTNEUF RIVER  
TOPAZ 4.0 3.9 MON 12 PM MD 3.9 4.0 4.0  
 

 
 
LAT...LON 4275 11232 4281 11223 4265 11206 4287 11202  
4287 11185 4248 11203  
 

 
 
TW  
 
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