Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 162353
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HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT FRI FEB 16 2018

...FLOOD POTENTIAL...

THE FLOOD POTENTIAL IS CURRENTLY LOW FOR THE STATE.

...HYDROMETEOROLOGICAL DISCUSSION....

A FAIRLY ACTIVE PATTERN IS EXPECTED FOR MUCH OF THE UPCOMING WEEK...
WITH SEVERAL SYSTEMS BRINGING PRECIPITATION TO THE STATE.

...SNOW DEPTH...

SNOW DEPTHS GENERALLY INCREASED ACROSS THE STATE OVER THE PAST WEEK.
REPORTED SNOW DEPTHS AROUND THE STATE RANGE FROM NO SNOW AT SOME
COASTAL SOUTHERN SOUTHEAST ALASKA STATIONS TO 104 INCHES AT A
STATION NEAR THOMPSON PASS... BUT MOST LOW TO MID ELEVATION STATIONS
ACROSS THE STATE ARE REPORTING LESS THAN 60 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 FEBRUARY INCLUDE: 19 TO 25 INCHES IN ANCHORAGE...
25 INCHES NEAR WASILLA... 15 INCHES IN THE CENTRAL SUSITNA VALLEY...
21 INCHES AT LAKE MINCHUMINA...  34 INCHES AT BETHEL... 37 INCHES AT
KALSKAG... 20 INCHES AT MCGRATH... 15 TO 26 INCHES IN THE FAIRBANKS-
UPPER TANANA BASIN AREA... 30 INCHES AT EAGLE... 35 INCHES ON THE
LOWER SELAWIK RIVER... 26 INCHES ON KOTZEBUE LAKE... AND 32 INCHES
AT COLVILLE VILLAGE.  BY THE END OF JANUARY THERE WAS A PLOWED AND
MARKED ICE ROAD FROM BETHEL UPSTREAM TO KALSKAG ON THE KUSKOKWIM
RIVER... BUT LOCAL AUTHORITIES REPORT THAT THERE ARE STILL MORE OPEN
HOLES THAN NORMAL ON THE LOWER RIVER.

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES OVER THE INTERIOR... NORTHERN MAINLAND...
AND SOUTHWEST MAINLAND.  THERE ARE INCREASED PROBABILITIES OF BELOW
NORMAL TEMPERATURES OVER SOUTHERN SOUTHEAST.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL PRECIPITATION OVER THE ENTIRE STATE.

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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