Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 302304
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT TUE JUN 30 2015

...FLOOD POTENTIAL...

LOCALIZED FLOODING POTENTIAL EXISTS TONIGHT THROUGH THURSDAY EVENING
FOR THE GOODPASTER RIVER... DENALI FROM THE RAILBELT EAST... DELTANA
AND TANANA FLATS... SALCHA RIVER SOUTHEAST... UPPER TANANA VALLEY
AND THE FORTYMILE COUNTRY NORTHWEST OF THE TAYLOR HIGHWAY... EASTERN
ALASKA RANGE WEST OF THE TOK CUTOFF.

ELSEWHERE ACROSS THE STATE... THE FLOOD POTENTIAL IS LOW.

...HYDROMETEOROLOGICAL DISCUSSION...

THERE IS CURRENTLY AN UPPER LEVEL LOW JUST SOUTHEAST OF THE AKPEN IN
THE GULF OF ALASKA. AN UPPER TROUGH IS NORTHWEST OF ALASKA. RIDGING
IS OVER THE BERING SEA. THE GULF LOW HAS BEGUN TO SLOWLY MOVE
EASTWARD... IT IS EXPECTED TO ACCELERATE WEDNESDAY. THE ARCTIC
TROUGH WILL DEVELOP INTO A CLOSED LOW BY THURSDAY AND MOVE INLAND
OVER NORTHWEST ALASKA.

AREAS OF RAIN WILL DEVELOP OVER THE ALASKA RANGE AND SURROUNDING
COUNTRY TONIGHT. EMBEDDED SHOWERS AND STORMS MAY PRODUCE UP TO AN
INCH OF RAIN. HEAVIER RAINS WITH THE POTENTIAL OF LOCALIZED FLOODING
EXPECTED WEDNESDAY THROUGH THURSDAY... WITH UP TO 2 INCHES OVER THE
CENTRAL ALASKA RANGE AND SURROUNDING LOCALITIES.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
MCPA2    MCARTHUR PASS        PC RG :  1.95
JTMA2    MT ROBERTS TRAM      PC RZ :  1.13
JOPA2    JUNEAU OUTER POINT   PP RZ :  1.03
JDTA2    JUNEAU DOWNTOWN LARC PC RP :  0.95
ECBA2    EAGLECREST BASE      PP RZ :  0.92
PEDA2    PEDERSEN LAGOON      PC RG :  0.91
SDIA2    SOUTH DOUGLAS        PC RZ :  0.87
PAJK     JUNEAU WFO           PP RZ :  0.87
JLPA2    JUNEAU LENA POINT    PP RZ :  0.85
MCAA2    MONTANA CREEK AT BAC PC RG :  0.81
CHSA2    CIRCLE HOT SPRINGS   PP RZ :  0.80
PADQ     KODIAK               PP RZ :  0.79
ANXA2    ANNEX CREEK          PP RZ :  0.79
PAJN     JUNEAU               PP RZ :  0.73
BTLA2    BOOTH LAKE RAWS      PC RG :  0.73
AUKA2    AUKE BAY LARC        PP RZ :  0.73
PAPG     PETERSBURG           PP RZ :  0.72
PAJK     JUNEAU WFO           PC RZ :  0.71
JDWA2    JUNEAU DOUGLAS WWTP  PP RZ :  0.66
LLKA2    LONG LAKE SNOTEL     PC RM :  0.60
CGMA2    CHIGMIT MOUNTAINS    PC RG :  0.58
MOGA2    MOTHER GOOSE LAKE RA PC RG :  0.53
BTLA2    BOOTH LAKE RAWS      PP RG :  0.53
WOWA2    WILLOW RAWS          PC RG :  0.52
PTBA2    POINT BAKER          PP RZ :  0.51
ZMBA2    ZAREMBO ISLAND SOUTH PC RG :  0.50
WLCA2    WOLVERINE CREEK NR L PC RG :  0.47
CGMA2    CHIGMIT MOUNTAINS    PP RG :  0.47
CKLA2    CAPE KIAVAK RAWS     PC RG :  0.46
PATO     PORTAGE GLACIER      PP RZ :  0.44

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED CHANCES FOR 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 AND FAR WESTERN
MAINLAND ALASKA. THERE ARE INCREASED CHANCES OF BELOW NORMAL
PRECIPITATION OVER MUCH OF THE REMAINDER OF THE STATE.

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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