Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 052301
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT TUE MAY 5 2015

...FLOOD POTENTIAL...

FLOOD POTENTIAL IS CURRENTLY LOW FOR THE STATE.

THE KUSKOKWIM RIVER IS FLOWING NEARLY ITS ENTIRE LENGTH. STILL A LOT
OF ICE FLOATING THROUGH AND A FEW ICE JAMS ALONG THE LOWER
KUSKOKWIM... MAKING NAVIGATION DIFFICULT. BREAKUP HAS OCCURRED AT
DAWSON AND EAGLE ON THE UPPER YUKON... WITH THE BREAKUP FRONT MOVING
SLOWLY TOWARD CIRCLE. MOST TRIBUTARIES FLOWING INTO THE YUKON ARE
PRODUCING OPEN LEADS. KOYUKUK RIVER ON SATELLITE IS DARKENING IN
SPOTS...INDICATING SOME OPEN WATER AREAS HAVE OR WILL DEVELOP.

FOR MORE UP-TO-DATE BREAKUP INFORMATION... PLEASE
VISIT: HTTP://APRFC.ARH.NOAA.GOV/DATA/MAPS/BRKUP_MAP.PHP

...HYDROMETEOROLOGICAL DISCUSSION...

AN UPPER RIDGE IS EXPECTED TO BUILD OVER MAINLAND ALASKA FOR
WEDNESDAY... RESULTING IN DRY WEATHER. MOISTURE AND RAIN WILL BEGIN
TO BUILD ON THE BACK SIDE OF THE RIDGE AND MOVE INTO SOUTHWEST
ALASKA BY THURSDAY. A SIGNIFICANT MOISTURE PLUME FROM THE SOUTH WILL
PROVIDE 1 TO 2 INCHES OF RAIN ALONG THE UPSLOPE AREAS OF  SOUTHEAST
AND PANHANDLE.THE GULF COAST ON FRIDAY.

...PRECIPITATION...
PRECIPITATION TOTALS OVER THE 24 HOURS ENDING AT 4 AM TODAY:

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
PADU     DUTCH HARBOR         PP RZ :  0.46
PASN     SAINT PAUL ISLAND    PP RZ :  0.25

...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 FOR THE ALEUTIAN ISLANDS. INCREASED
CHANCES FOR BELOW NORMAL PRECIPITATION FOR THE INTERIOR AND
NORTHWEST ALASKA.

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

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

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
$$

KFM


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