826  
NGAK88 PAFC 032005  
HCMAFC  
 
HYDROMETEOROLOGICAL COORDINATION MESSAGE  
ALASKA-PACIFIC RIVER FORECAST CENTER  
NATIONAL WEATHER SERVICE ANCHORAGE AK  
1153 AM AKDT MON AUG 3 2020  
 
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CONTACT:  
CRANE JOHNSON 266-5161 350-9219 (CELL PHONE AFTER 5 PM)  
HAS DESK 266-5164 HAS CELL PHONE 350-9221  
 
LOCATION:  
 
PRODUCT TYPE: WATCH  
 
EXPIRATION TIME: 24 HRS FROM NOW  
 
PRIMARY CAUSE: HEAVY RAINFALL  
 
REASON FOR WARNING/ADVISORY:  
 
HEAVY PRECIPITATION WITHIN THE HEADWATERS OF THE YENTAN RIVER RESULTED  
IN RAPID RISE OVERNIGHT. AS OF 10AM THIS MORNING THE RIVER HAS  
RISEN APPROXIMATELY 2-3 FEET AND CONTINUES TO RISE. THE RIVER IS  
EXPECTED TO CREST THIS AFTERNOON OR OVERNIGHT AT OR NEAR FLOOD STAGE.  
 
PEOPLE LIVING ON OR CLOSE TO THE YENTNA RIVER SHOULD MONITOR LOCAL  
RIVER CONDITIONS AND PREPARE FOR HIGHER WATER THIS AFTERNOON AND  
POSSIBLY OVERNIGHT.  
 
EXPECTED IMPACTS:  
 
MINOR FLOODING AND INCREASED DEBRIS IN THE RIVER.  
 
COMMENTS:  
 
I WILL UPDATE THE AHPS FORECAST SHORTLY AND SHOW IT CRESTING NEAR  
FLOOD STAGE THIS EVENING. WE PLAN TO CALL OUR OBSERVER AT 3:30 FOR AN  
UPDATE. ESTIMATE THAT REACHING FLOOD STAGE IS UNLIKELY BUT POSSIBLE.  
 

 
 
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