Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 261826
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
10 AM AKDT TUE MAY 26 2015

...FLOOD POTENTIAL...

THE SOUTHWEST PORTION OF THE STATE HAS BEEN IMPACTED WITH PERSISTANT
RAIN OVER THE PAST WEEK. SOME AREAS RECEIVED AN ESTIMATED 3 TO 4
INCHES. THIS HAS RESULTED IN STEADILY RISING WATER LEVELS ON AREA
RIVERS DRAINING THE WOOD RIVER MOUNTAINS OF SOUTHWEST... SUCH AS THE
NUYAKUK... NUSHAGAGK AND WOOD RIVER.

PLEASE NOTE THAT EVEN THOUGH A RIVER REACH MAY BE LABELED OPEN OR
MOSTLY OPEN... IT IS STILL POSSIBLE FOR ICE RUNS FROM UPSTREAM TO
PASS THROUGH THESE REACHES AND MAKE TRAVEL UNSAFE.

FOR MORE UP-TO-DATE BREAKUP INFORMATION... PLEASE VISIT:
HTTP://APRFC.ARH.NOAA.GOV/DATA/MAPS/BRKUP_MAP.PHP. AND PLEASE REFER
TO THE WATCH... WARNING... AND ADVISORY PRODUCTS FOR MORE
INFORMATION.

...HYDROMETEOROLOGICAL DISCUSSION...

THE MASSIVE RIDGE OVER THE EASTERN PACIFIC WHICH EXTENDS ON UP INTO
ARCTIC REMAINS IN PLACE WHILE A CLOSED LOW NEAR KODIAK TRANSITIONS
THROUGH THE RIDGE AND COMES OUT ON THE OTHER SIDE NEAR THE NORTHERN
PANHANDLE BY WEDNESDAY MORNING. THE ONLY WEATHER TO SPEAK OF AS FAR
AS THE RFC IS CONCERNED IS THE CONVECTION THAT IS BROUGHT EASTWARD
INTO THE EASTERN UPLANDS WHILE ALL THIS IS HAPPENING.

...PRECIPITATION...

PRECIPITATION TOTALS OVER THE 24 HOURS ENDING AT 4 AM TODAY:
LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
TOOA2    IMNAVIAT CREEK SNOTE PC RM :   0.60
TEUA2    TEUCHET CREEK SNOTEL PC R2 :   0.55
MTRA2    MT RYAN SNOTEL       PP RG :   0.51
UCEA2    UPPER CHENA DOME SNO PC RM :   0.50
MTRA2    MT RYAN SNOTEL       PC RM :   0.50
MNCA2    MONUMENT CREEK SNOTE PC RM :   0.50
ATGA2    ATIGUN PASS SNOTEL   PC RM :   0.50
UCEA2    UPPER CHENA DOME SNO PC R2 :   0.45
AKNQ2    AIKEN LAKE           PC RG :   0.43
MNCA2    MONUMENT CREEK SNOTE PP RG :   0.42
MCPA2    MCARTHUR PASS        PP RG :   0.42
NUKA2    NUKA GLACIER SNOTEL  PC RM :   0.40
PADU     DUTCH HARBOR         PP RZ :   0.34
SGRA2    SAGAVANIRKTOK RIVER  PC RG :   0.29
COVA2    COVILLE RAWS         PP RG :   0.27
PADQ     KODIAK               PP RZ :   0.26
ARGA2    ATIGUN RIVER BELOW G PP RG :   0.25

...LONG RANGE...

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

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED CHANCES FOR
BELOW NORMAL PRECIPITATION OVER THE ENTIRE STATE ESPECIALLY THE
SOUTHEAST.

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
$$

ETH



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