458  
AGAK78 PACR 042253  
HMDACR  
 
HYDROMETEOROLOGICAL DISCUSSION  
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK  
300 PM AKDT WED MAY 4 2016  
   
..FLOOD POTENTIAL
 
 
ON THE YUKON RIVER...THE RIVER CONTINUES TO DEVELOP OPEN AREAS ALONG  
THE ENTIRE LENGTH. WHERE THE KOYUKUK AND TANANA RIVERS EMPTY INTO  
THE YUKON... LONG STRETCHES OF OPEN WATER HAVE DEVELOPED. GOING BY  
SATELLITE IMAGERY...THE LOWER YUKON BELOW HOLY CROSS IS NEARLY ALL  
OPEN TO JUST SHY OF THE BERING SEA.  
 
THE KOYUKUK RIVER IS MOSTLY OPEN ALONG ALMOST ITS ENTIRE LENGTH.  
SOME OPEN AREAS ARE NOW VISIBLE ON SATELLITE ALONG THE PORCUPINE  
RIVER... ESPECIALLY NEAR WHERE IT EMPTIES INTO THE YUKON.  
 
FOR BREAKUP REPORTS AND FLOOD POTENTIAL... SEE THE BREAKUP SUMMARY  
AT HTTP://APRFC.ARH.NOAA.GOV/DATA/MAPS/BRKUP_MAP.PHP (ALL LOWER CASE)  
   
..HYDROMETEOROLOGICAL DISCUSSION
 
 
 
THE UPPER LEVEL PATTERN TODAY HAS AN UPPER LOW MOVING FROM SOUTH OF  
THE EASTERN ALEUTIAN CHAIN TO THE WESTERN GULF BY THURSDAY NIGHT.  
THIS LOW WILL CONTINUE MOVING EASTWARD AND WEAKENING... BY SATURDAY  
NIGHT IT WILL BE A TROUGH OVER SOUTHEAST ALASKA. THIS LOW WILL  
BRING MODERATE TO HEAVY PRECIPITATION INTO THE PANHANDLE BEGINNING  
LATE THURSDAY INTO SATURDAY... WITH RAIN SPREADING FROM NORTH TO  
SOUTH OVER THE PANHANDLE. UP TO 4 INCHES EXPECTED DURING THIS TIME  
PERIOD.  
   
..PRECIPITATION
 
 
PRECIPITATION TOTALS OVER THE PAST 24 HOURS ENDING AT 4 AM TODAY:  
 
LOCATION NAME PE TS 24 HR  
======== ==== == == =====  
PATO PORTAGE GLACIER PP RZ : 0.74  
SRFA2 STRAWBERRY REEF PC R2 : 0.66  
PANN NENANA PP RZ : 0.65  
PAOU NELSON LAGOON PP RZ : 0.59  
CFCA2 COFFMAN COVE PP RZ : 0.59  
FOJA2 FOURTH OF JULY CREEK PC RP : 0.57  
PAKT KETCHIKAN PP RZ : 0.55  
SALA2 SALCHA RIVER PC RG : 0.51  
EXGA2 EXIT GLACIER PC R2 : 0.51  
TKLA2 TOKLAT RAWS PC RG : 0.46  
SHLA2 SHELTER COVE RAWS PC RG : 0.45  
MANA2 MANCHU PC RG : 0.45  
AMCA2 AMERICAN CREEK PC R2 : 0.42  
TRSA2 TWO RIVERS PC RG : 0.41  
THOA2 THORNE BAY RAWS PC RG : 0.40  
PSJA2 PORT SAN JUAN PC R2 : 0.40  
GDPA2 GOODPASTER RAWS PC RG : 0.40  
MCDA2 CHENA RIVER PC RG : 0.39  
PHLA2 PHELAN CREEK PC RG : 0.38  
EVCA2 EIELSON VISITORS PC RG : 0.37  
PAKN KING SALMON PP RZ : 0.36  
PAEG EAGLE PP RZ : 0.34  
PADQ KODIAK PP RZ : 0.33  
EGYA2 EAGLE RAWS PC RG : 0.29  
CRHA2 CHENA RIVER PC RG : 0.29  
PAJC CHIGNIK PP RZ : 0.28  
PACV CORDOVA PP RZ : 0.28  
BOXA2 BOX RIVER RAWS PC RG : 0.28  
KKEA2 KAKE RAWS PC RG : 0.27  
RDRA2 REINDEER RIVER RAWS PC RG : 0.25  
   
..LONG RANGE
 
 
THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF  
ABOVE NORMAL TEMPERATURES OVER THE ENTIRE STATE.  
 
THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF  
ABOVE NORMAL PRECIPITATION OVER THE FAR WESTERN PART OF THE STATE...  
INCLUDING THE ALEUTIAN CHAIN. THERE ARE INCREASED PROBABILITIES OF  
BELOW NORMAL PRECIPITATION OVER THE EASTERN HALF OF THE MAINLAND AND  
OVER SOUTHEAST ALASKA.  
 
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://APRFC.ARH.NOAA.GOV/PRODUCTS/GHMD.PHP  
 
A GRAPHICAL SLIDE SHOW PRESENTATION OF HYDROMET ISSUES IS AVAILABLE  
AT HTTP://APRFC.ARH.NOAA.GOV/PRODUCTS/PRESENT  

 
 
ACL  
 
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