355  
AGAK78 PACR 202304  
HMDACR  
 
HYDROMETEOROLOGICAL DISCUSSION  
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK  
300 PM AKDT SUN AUG 20 2017  
   
..FLOOD POTENTIAL
 
 
 
FLOODING FOR THE TETLIN ROAD AT MILE 5.3 CONTINUES. TANANA RIVER IS  
RECEDING... BUT IT WILL TAKE A FEW MORE DAYS FOR THE WATER TO CLEAR  
THE ROAD.  
 
HEAVY RAIN EXPECTED OVER PORTIONS OF THE PANHANDLE ON MONDAY... WILL  
RESULT IN HIGH WATER FOR RIVERS AND STREAMS. THE POTENTIAL FOR MUD  
SLIDES WILL ALSO INCREASE.  
 
THE FLOOD POTENTIAL IS CURRENTLY LOW FOR THE REST OF THE STATE.  
   
..HYDROMETEOROLOGICAL DISCUSSION.
 
 
 
AN UPPER LEVEL LOW OVER SOUTHWEST MAINLAND ALASKA... WILL ENTER THE  
WESTERN GULF ON MONDAY... THEN BECOME STATIONARY OVER THE CENTRAL  
GULF BY TUESDAY. AN ATMOSPHERIC RIVER ON THE SOUTHERN FLANK OF THIS  
LOW... WILL FLOW OVER THE SOUTHERN PANHANDLE DURING THE DAY MONDAY.  
ANOTHER LOW WILL APPROACH NORTHWEST ALASKA BY MONDAY NIGHT.  
 
IT IS GOING TO BE A RAINY PATTERN FOR THE GULF COAST THROUGH MONDAY.  
FROM THE AKPEN THROUGH THE SOUTHERN PANHANDLE... PERIODIC RAIN...  
SOMETIMES HEAVY... WILL FALL IN THE REGION. THE MOST RAIN EXPECTED  
DURING THE NEXT COUPLE DAYS WILL BE OVER THE SOUTHERN PANHANDLE WITH  
UP TO 5 INCHES POSSIBLE. AN AREA OF RAIN WILL ENTER THE NORTH SLOPE  
MONDAY AND BEGIN TO MOVE EAST. UP TO 0.75 INCHES OF RAIN CAN BE  
EXPECTED WITH THIS SYSTEM.  
   
..PRECIPITATION
 
 
 
SELECTED 24 HOUR PRECIPITATION AMOUNTS ENDING AT 4 AM AKDT TODAY:  
 
LOCATION NAME PE TS 24 HR  
======== ==== == == =====  
SRYA2 SITUK RIVER NR YAKUT PP RG : 3.06  
ECBA2 EAGLECREST BASE PP RZ : 1.89  
AUKA2 AUKE BAY PP RZ : 1.63  
YUTA2 YAKUTAT 3 SSE CRN PC R2 : 1.58  
DBWA2 DRY BAY GLACIER BAY PC RG : 1.50  
MPSA2 MOOSE PASS RR PP RG : 1.49  
HYDA2 HYDER PP RZ : 1.48  
YUTA2 YAKUTAT 3 SSE CRN PP RG : 1.42  
PAYA YAKUTAT AIRPORT PP RZ : 1.40  
JNAA2 JUNEAU DOWNTOWN PP RZ : 1.23  
GGLA2 GATES GLACIER PP RG : 1.13  
ANXA2 ANNEX CREEK PP RZ : 0.97  
SPPA2 SNETTISHAM POWER PLA PP RZ : 0.94  
LLKA2 LONG LAKE SNOTEL PC RM : 0.90  
ZMBA2 ZAREMBO ISLAND SOUTH PC RG : 0.86  
PAMK SAINT MICHAEL PP RZ : 0.83  
   
..LONG RANGE
 
 
THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF  
BELOW NORMAL TEMPERATURES OVER THE AKPEN AND GULF COAST. INCREASED  
PROBABILITIES OF ABOVE NORMAL TEMPERATURES OVER THE SOUTHERN  
PANHANDLE.  
 
THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF  
ABOVE NORMAL PRECIPITATION OVER THE GULF COAST REGION... ALONG THE  
ALCAN BORDER AND THE PANHANDLE.  
 
PLEASE REFER TO THE CLIMATE PREDICTION CENTER HOME PAGE FOR FURTHER  
INFORMATION.  
   
................................................................
 
 
THIS TEXT PRODUCT WILL BE ISSUED DAILY UNTIL FREEZEUP IN THE FALL. A  
GRAPHICAL VERSION OF THE HYDROMET DISCUSSION IS AVAILABLE AT  
HTTP://WWW.WEATHER.GOV/APRFC/GRAPHICALHMD  
 

 
KFM  
 
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