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AGAK78 PACR 122340
HMDACR

HYDROMETEOROLOGICAL DISCUSSION 
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK 
300 PM AKDT FRI JAN 12 2018 

...FLOOD POTENTIAL... 

THE FLOOD POTENTIAL IS CURRENTLY LOW FOR THE STATE.

...HYDROMETEOROLOGICAL DISCUSSION.... 

THE WEATHER PATTERN THIS WEEKEND INTO EARLY NEXT WEEK WILL HAVE LOW 
PRESSURE/TROUGHING OVER THE BERING AND A RIDGE OVER WESTERN NORTH 
AMERICA... WITH MULTIPLE FRONTS BRINGING PRECIPITATION TO PORTIONS 
OF THE GULF COAST THROUGH THE PERIOD.  THE FREEZING LEVEL OVER 
SOUTHEAST ALASKA WILL BE RISING SIGNIFICANTLY LATE SATURDAY THROUGH 
MID-DAY SUNDAY.

...SNOW DEPTH...

REPORTED SNOW DEPTHS AROUND THE STATE RANGE FROM NO SNOW OVER 
SOUTHERN SOUTHEAST TO 103 INCHES AT A STATION NEAR THOMPSON PASS... 
BUT MOST LOW TO MID ELEVATION STATIONS ACROSS THE STATE ARE 
REPORTING LESS THAN 36 INCHES OF SNOW.

...ICE THICKNESS... 

ICE THICKNESS READINGS ARE TAKEN AT THE START OF THE MONTH ONCE THE 
ICE IS THICK ENOUGH TO SAFELY MEASURE.  ICE THICKNESS MEASUREMENTS 
REPORTED FOR EARLY JANUARY INCLUDE:  14 INCHES IN ANCHORAGE... 20 
INCHES NEAR WASILLA... 17 INCHES AT LAKE MINCHUMINA... 10 TO 18 
INCHES IN THE FAIRBANKS AREA... 42 INCHES AT EAGLE... 22 INCHES ON 
THE LOWER SELAWIK RIVER... 23 INCHES ON KOTZEBUE LAKE... AND 24 
INCHES AT COLVILLE VILLAGE.  AS OF EARLY JANUARY THERE ARE STILL 
NUMEROUS OPEN HOLES OF VARIOUS SIZES ON THE LOWER KUSKOKWIM RIVER... 
MAKING TRAVELING ON THE RIVER HAZARDOUS.

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF 
ABOVE NORMAL TEMPERATURES OVER THE NORTHERN MAINLAND AND WESTERN 
INTERIOR... AS WELL AS OVER MOST OF THE SOUTHWEST MAINLAND AND MOST 
OF THE EASTERN INTERIOR.  THERE ARE INCREASED PROBABILITIES OF BELOW 
NORMAL TEMPERATURES OVER THE FAR SOUTHEASTERN MAINLAND AND OVER THE 
PANHANDLE.  TEMPERATURES ARE LIKELY TO BE NEAR NORMAL OVER THE REST 
OF THE MAINLAND. 

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF 
ABOVE NORMAL PRECIPITATION OVER THE WESTERN MAINLAND AND CENTRAL 
NORTH SLOPE AND BROOKS RANGE.  THERE ARE INCREASED PROBABILITIES OF 
BELOW NORMAL PRECIPITATION OVER SOUTHEAST ALASKA... THE SOUTHEAST 
MAINLAND... AND EASTERN PORTIONS OF SOUTHCENTRAL.  NEAR NORMAL 
PRECIPITATION IS LIKELY OVER THE REST OF THE MAINLAND.

PLEASE REFER TO THE CLIMATE PREDICTION CENTER HOME PAGE FOR FURTHER 
INFORMATION.  
....................................................................

THIS TEXT PRODUCT WILL BE ISSUED WEEKLY ON FRIDAY UNTIL RIVER ICE 
BREAKUP IN MAY 2018. A GRAPHICAL VERSION OF THE HYDROMET DISCUSSION 
IS AVAILABLE AT HTTP://WWW.WEATHER.GOV/APRFC/GRAPHICALHMD

$$
ACL


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Page Modified: 03 Feb 2008 18:00 UTC
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