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HYDROMETEOROLOGICAL DISCUSSION 
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK 
300 PM AKDT FRI APR 18 2014

...FLOOD POTENTIAL...

FLOOD POTENTIAL IS CURRENTLY LOW FOR THE STATE. 

...HYDROMETEOROLOGICAL DISCUSSION...

FOR THE WEEKEND AND INTO EARLY NEXT WEEK THE UPPER LEVEL PATTERN HAS 
A LOW IN THE GULF/NORTHEAST PACIFIC... WITH MULTIPLE SHORTWAVES... 
AND A RIDGE BUILDING OVER THE MAINLAND FROM CANADA.  THIS WILL KEEP 
PERIODS OF PRECIPITATION LIKELY ALONG THE SOUTHWEST COAST AND OVER 
THE GULF COASTAL REGION AND SOUTHEAST ALASKA.
 
...SNOWPACK...

OVER THE PAST 7 DAYS THE SNOWPACK HAS DECREASED STATEWIDE... WITH 
THE LARGEST DECREASES REPORTED FROM PORTIONS OF THE EASTERN INTERIOR.

...ICE THICKNESS...

ICE THICKNESSES REPORTED AROUND APRIL 1 RANGED FROM 13 INCHES ON THE 
TANANA RIVER IN FAIRBANKS TO 58 INCHES ON THE COLVILLE DELTA. 
 
ICE THICKNESSES OF 13 TO 38 INCHES WERE REPORTED IN TANANA BASIN. 

...LONG RANGE... 

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED CHANCES OF ABOVE 
NORMAL TEMPERATURES OVER THE WESTERN AND NORTHERN MAINLAND.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED CHANCES OF BELOW 
NORMAL PRECIPITATION OVER THE WESTERN AND CENTRAL INTERIOR AND OVER 
THE NORTHWEST MAINLAND... AND INCREASED CHANCES OF ABOVE NORMAL 
PRECIPITATION OVER SOUTHERN AND CENTRAL SOUTHEAST ALASKA.

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

THE HYDROMET DISCUSSION WILL BE ISSUED EVERY FRIDAY UNTIL BREAK UP 
BEGINS IN THE SPRING.  A GRAPHICAL VERSION OF THE HYDROMET  
DISCUSSION IS AVAILABLE AT  
HTTP://APRFC.ARH.NOAA.GOV/PRODUCTS/GHMD.PHP

$$

ACL

National Weather Service
Alaska-Pacific River Forecast Center
6930 Sand Lake Road
Anchorage, Ak 99502
907-266-5160

Page Modified: 29 Dec 2005 18:00 UTC
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