Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 172353
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HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT FRI NOV 17 2017

...FLOOD POTENTIAL...

THE FLOOD POTENTIAL IS CURRENTLY LOW FOR THE ENTIRE STATE.

...HYDROMETEOROLOGICAL DISCUSSION....

THE WEATHER IS FORECAST TO BE FAIRLY ACTIVE OVER WESTERN AND
SOUTHERN ALASKA INTO NEXT WEEK... WITH SYSTEMS MOVING INTO THE
WESTERN MAINLAND AND THEN DROPPING INTO THE GULF.  PRECIPITATION
ASSOCIATED WITH THESE SYSTEMS SHOULD BE SNOW INLAND... WITH
RAIN...FREEZING... OR MIXED PRECIPITATION ALONG THE SOUTHWEST
COASTAL REGIONS.

...SNOW DEPTH...

REPORTED SNOW DEPTHS AROUND THE STATE RANGE FROM NO SNOW OVER
SOUTHERN SOUTHEAST AND THE SOUTHWEST COASTAL REGIONS TO 36 INCHES IN
THE HIGHER TERRAIN EAST OF FAIRBANKS.  A COUPLE OF PASSES IN THE
BROOKS RANGE ARE REPORTING GREATER THAN 36 INCHES OF SNOW... ATIGUN
PASS REPORTS 42 INCHES AND KILLIK PASS REPORTS 77 INCHES.

...ICE THICKNESS...

ICE THICKNESS READINGS ARE TAKEN AT THE START OF THE MONTH ONCE THE
ICE IS THICK ENOUGH TO SAFELY MEASURE.  THE ONLY ICE THICKNESS
MEASUREMENT REPORTED FOR EARLY NOVEMBER WAS 12 INCHES AT COLVILLE
VILLAGE.

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES OVER THE YUKON DELTA REGION AND THE
WESTERN SEWARD PENINSULA... AND INCREASED PROBABILITIES OF BELOW
NORMAL TEMPERATURES OVER MOST OF THE REST OF THE STATE.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
BELOW NORMAL PRECIPITATION OVER ROUGHLY THE EASTERN HALF OF THE
MAINLAND AND OVER NORTHERN SOUTHEAST ALASKA.  THERE ARE INCREASED
PROBABILITIES OF ABOVE NORMAL PRECIPITATION OVER MOST OF THE WESTERN
HALF 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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