Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 192333
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HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT FRI DEC 19 2014

...FLOOD POTENTIAL...

FLOOD POTENTIAL IS LOW FOR THE STATE OF ALASKA.

...HYDROMETEOROLOGICAL DISCUSSION...

THE UPPER LEVEL PATTERN OVER THE PAST WEEK HAS GENERALLY HAD LOW
PRESSURE OVER THE GULF AND THE ALEUTIANS AND A RIDGE OVER INTERIOR
AND NORTHERN ALASKA... KEEPING SIGNIFICANT PRECIPITATION CONFINED TO
SOUTHEAST AND THE GULF COAST.  THIS GENERAL PATTERN SHOULD HOLD
THROUGH MOST OF THE WEEKEND.

...SNOW DEPTH...

SNOW DEPTHS GENERALLY STAYED THE SAME OR INCREASED THIS WEEK.
REPORTED SNOW DEPTHS IN THE EASTERN INTERIOR ARE GENERALLY IN THE 10
TO 19 INCH RANGE... WHILE REPORTED SNOW DEPTHS IN SOUTHCENTRAL
ALASKA RANGE BETWEEN 1 AND 31 INCHES.

...ICE THICKNESS...

ICE THICKNESS MEASURED AT THE START OF DECEMBER INCLUDED: BETWEEN 7
TO 9 INCHES AROUND ANCHORAGE... 8 INCHES AT BETHEL... BETWEEN 7 AND
22 INCHES IN THE MIDDLE TANANA BASIN... 20 INCHES AT COLVILLE
VILLAGE... AND 30 INCHES AT BETTLES.

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED CHANCES OF ABOVE
NORMAL TEMPERATURES OVER THE ENTIRE STATE.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED CHANCES FOR
ABOVE NORMAL PRECIPITATION OVER THE CENTRAL AND WESTERN MAINLAND.

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

....................................................................

THIS HYDROMET DISCUSSION WILL BE ISSUED EVERY FRIDAY UNTIL BREAKUP
BEGINS IN THE SPRING.

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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