980  
FGAK78 PAFC 272326  
ESFAFC  
AKZ712-745>748-290015-  
 
HYDROLOGIC OUTLOOK  
NATIONAL WEATHER SERVICE ANCHORAGE AK  
326 PM AKDT THU AUG 27 2026  
 
...ANOTHER ROUND OF SIGNIFICANT RAINFALL THROUGH SATURDAY WILL BRING  
RIVER RISES AND LOCALIZED FLOOD POTENTIAL TO SUSITNA VALLEY...  
 
LOCATIONS:  
 
* YENTNA AND SKWENTNA RIVER BASINS  
* RIVERS, CREEKS, AND STREAMS WITH HEADWATERS ALONG THE WESTERN  
TALKEETNA MOUNTAINS, INCLUDING MOOSE CREEK NEAR OILWELL ROAD  
 
TIMING:  
 
* TONIGHT THROUGH SATURDAY EVENING. HEAVIEST RAIN TONIGHT THROUGH  
FRIDAY MORNING.  
 
RAINFALL:  
 
* WIDESPREAD RAINFALL OF 0.5 TO 1.5 INCHES OF RAIN IS LIKELY (60-70%)  
ACROSS THE SUSITNA VALLEY LATE TONIGHT THROUGH SATURDAY EVENING.  
HIGHEST RAIN AMOUNTS WILL LIKELY BE IN SUSITNA VALLEY NORTH OF  
TALKEETNA (INCLUDING PETERSVILLE), AND IN HATCHER PASS.  
 
HYDROLOGIC CONCERNS:  
 
* EXPECT SHARP RISES ON MANY SMALL STREAMS AND RIVERS, INCLUDING THE  
YENTNA AT LAKE CREEK. RIVER RISES FROM THIS STORM WILL LIKELY BE  
LESS THAN WAS OBSERVED FOLLOWING THE TUESDAY STORM.  
 
* MANY LOWER LOCATIONS ALONG RIVERS SUCH AS GRAVEL BARS AND OTHER  
SPOTS POPULAR FOR CAMPING AND RECREATING MAY BECOME INUNDATED WITH  
WATER WITH RIVERS REACHING BANKFULL CONDITIONS.  
 
* HEAVY RAIN MAY RESULT IN LOCALIZED PONDING IN LOW-LYING AREAS AND  
LOCATIONS WITH POOR DRAINAGE.  
 
NEXT STEPS:  
 
* RESIDENTS ALONG AREA STREAMS AS WELL AS RIVER USERS AND RECREATORS  
SHOULD ANTICIPATE HIGHER THAN NORMAL WATER LEVELS AND ARE ADVISED  
TO MONITOR WEATHER AND RIVER FORECASTS.  
 
* SEND WEATHER OR FLOODING REPORTS TO INWS.NCEP.NOAA.GOV/REPORT/ OR  
BY CALLING 1-907-266-5127.  
 
* REPORTS ON RIVER CONDITIONS MAY BE SENT TO THE RIVER FORECAST  
CENTER BY CALLING 1-907-266-5160.  
 

 
 
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