751  
AGAK78 PACR 222256  
HMDACR  
 
HYDROMETEOROLOGICAL DISCUSSION  
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK  
300 PM AKDT WED OCT 22 2014  
   
..FLOOD POTENTIAL
 
 
 
FLOOD POTENTIAL IS CURRENTLY LOW FOR THE STATE OF ALASKA.  
   
..HYDROMETEOROLOGICAL DISCUSSION
 
 
 
THE UPPER LEVEL PATTERN THIS MORNING WAS DOMINATED BY A LARGE LOW IN  
THE GULF AND NORTHERN PACIFIC... WITH A RIDGE IN THE EASTERN  
BERING... AND ANOTHER LOW IN SIBERIA. THE RIDGE WILL MOVE  
SOUTHEASTWARD TODAY AND THURSDAY... PUSHING THE LOW INTO THE  
SOUTHEASTERN GULF AND SHARPENING THE ASSOCIATED TROUGH... AND  
KEEPING THE CHANCE FOR PERIODS OF PRECIPITATION OVER SOUTHEAST  
ALASKA. MEANWHILE THE SIBERIAN LOW WILL ALSO MOVE EASTWARD AND WILL  
PUSH A FRONT INTO THE WESTERN MAINLAND THURSDAY.  
 
FREEZING LEVELS WERE AT THE SURFACE OVER MOST OF THE MAINLAND THIS  
MORNING... RISING TO 2500-5100 FT FROM KODIAK TO YAKUTAT TO ANNETTE.  
FREEZING LEVELS ARE NOT EXPECTED TO CHANGE MUCH OVER THE NEXT COUPLE  
OF DAYS.  
 
PRECIPITATION... SELECTED PRECIPITATION TOTALS OVER THE 24 HOURS  
ENDING AT 4 AM TODAY:  
 
LOCATION NAME PE TS 24 HR  
======== ==== == == =====  
THOA2 THORNE BAY RAWS PC RG : 1.09  
HADA2 HAIDA RAWS PC RG : 0.96  
HONA2 HOONAH RAWS PC RG : 0.71  
PAKW KLAWOCK PP RZ : 0.64  
GDWA2 GIRDWOOD FIRE STN PC RG : 0.57  
SHLA2 SHELTER COVE RAWS PC RG : 0.55  
RBTA2 RABBIT CREEK RAWS PC RG : 0.31  
PAKT KETCHIKAN PP RZ : 0.29  
   
..LONG RANGE
 
 
 
THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED CHANCES OF ABOVE  
NORMAL TEMPERATURES OVER MOST OF THE MAINLAND... AND INCREASED  
CHANCES FOR BELOW NORMAL TEMPERATURES OVER MOST OF SOUTHEAST ALASKA.  
 
THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED CHANCES FOR  
ABOVE NORMAL PRECIPITATION OVER THE WESTERN HALF OF THE STATE AND  
OVER THE NORTHEAST MAINLAND. THERE ARE INCREASED CHANCES FOR BELOW  
NORMAL PRECIPITATION OVER SOUTHEAST ALASKA AND MOST OF THE COPPER  
RIVER BASIN.  
 
PLEASE REFER TO THE CLIMATE PREDICTION CENTER HOME PAGE FOR FURTHER  
INFORMATION.  
   
................................................................
 
 
THIS HYDROMET DISCUSSION WILL BE ISSUED DAILY UNTIL FREEZE-UP BEGINS  
IN THE FALL.  
 
A GRAPHICAL VERSION OF THE HYDROMET DISCUSSION IS AVAILABLE AT  
HTTP://APRFC.ARH.NOAA.GOV/PRODUCTS/GHMD.PHP  
 

 
 
ACL  
 
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