Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT FRI FEB 27 2015

...FLOOD POTENTIAL...

FLOOD POTENTIAL IS LOW FOR THE STATE OF ALASKA.

...HYDROMETEOROLOGICAL DISCUSSION...

THIS MORNING A RIDGE STRETCHES FROM THE NORTH PACIFIC NORTHWARD
THROUGH THE STATE.  A SHORTWAVE WILL RIDE OVER THE TOP OF THE RIDGE
ON SATURDAY... BRINGING A QUICK SHOT OF SNOW TO MOST OF THE STATE.
THE RIDGE WILL REBUILD SUNDAY... THEN MOVE SLOWLY SOUTHEAST THROUGH
MIDWEEK AS A TROUGH STRENGTHENS FROM THE SOUTHEASTERN BERING TO
SOUTH OF THE AKPEN.

...SNOW DEPTH...

OVER THE PAST WEEK SNOW DEPTHS GENERALLY DECREASED OVER THE WESTERN
AND SOUTHERN MAINLAND AND OVER SOUTHEAST ALASKA... WHILE SNOW DEPTHS
GENERALLY INCREASED OVER THE EASTERN INTERIOR.  SNOW WATER
EQUIVALENTS ARE LESS THAT 50% OF NORMAL ON THE KENAI PENINSULA AND
OVER SOUTHCENTRAL... WHILE SNOW WATER EQUIVALENTS ARE GENERALLY
BETWEEN 50 AND 110% OF NORMAL NEAR FAIRBANKS.

...ICE THICKNESS...

ICE THICKNESS MEASURED AT THE BEGINNING OF FEBRUARY INCLUDED: 13 TO
30 INCHES IN THE MIDDLE TANANA BASIN... 17 TO 20 INCHES AROUND THE
ANCHORAGE AREA... 39 INCHES AT BETTLES... AND 51 INCHES AT COLVILLE
VILLAGE.

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED CHANCES OF ABOVE
NORMAL TEMPERATURES OVER THE SOUTHWEST MAINLAND... SEWARD
PENINSULA... MOST OF THE AKPEN... AND SOUTHEAST ALASKA.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED CHANCES FOR
ABOVE NORMAL PRECIPITATION OVER THE ENTIRE STATE... WITH THE
EXCEPTION OF KODIAK ISLAND AND MOST OF THE KENAI PENINSULA.

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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