Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 222342
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT THU JUN 22 2017

...FLOOD POTENTIAL...

THE FLOOD POTENTIAL IS LOW FOR ALASKA.

...HYDROMETEOROLOGICAL DISCUSSION....

ON THE WEATHER MAP... THERE IS AN UPPER LOW OVER THE GULF AND A
TROUGH AXIS ALONG THE WEST COAST. A RIDGE IS NOSING INTO THE EASTERN
INTERIOR FROM CANADA. THE RIDGING WILL WEAKEN AS THE GULF LOW MOVES
OVER THE PANHANDLE EARLY SUNDAY. THE WEST COAST TROUGH WILL LOSE
DEFINITION AS IT MOVE INLAND. RIDGING WILL BUILD OVER WESTERN ALASKA
BY SATURDAY.

NOT MUCH RAIN EXPECTED OVER ALASKA TODAY AND TONIGHT. MAINLY
SCATTERED SHOWER AND AREAS OF RAIN FOR SOUTHERN ALASKA AND THE
PANHANDLE. FOR FRIDAY... MORE SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS ALONG THE ALASKA RANGE. SMALL AREAS OF RAIN EXPECTED
OVER THE NORTH SLOPE. THE GULF LOW WILL MAKE LANDFALL ON SATURDAY
OVER THE PANHANDLE... PROVIDING UP TO AN INCH OF RAIN... MAINLY OVER
THE NORTHERN PANHANDLE.

...PRECIPITATION...

SELECTED 24 HOUR PRECIPITATION AMOUNTS ENDING AT 4 AM AKDT TODAY:

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
MPSA2    MOOSE PASS RR        PP RG :  1.94
HOUA2    HOUSTON CITY HALL    PP RZ :  1.51
SITA2    LITTLE PORT WALTER   PP RZ :  0.96
ECBA2    EAGLECREST BASE      PP RZ :  0.93
TTKA2    TATITLEK             PC RM :  0.80
CNAA2    CHISANA SNOTEL       PC R2 :  0.67
PACA2    PORT ALCAN           PP RZ :  0.66
CSNA2    CHISANA RAWS         PC RG :  0.66
PAAP     PORT ALEXANDER       PP RZ :  0.64
KEYA2    KENAI RIVER AT KENAI PP RV :  0.62
TOAA2    TOK #2               PP RZ :  0.51
TNWA2    AK TOK 70 SE         PC R2 :  0.51
KTNA2    BEAVER FALLS POWERHO PP RZ :  0.51
CSNA2    CHISANA RAWS         PP RG :  0.50
SLVA2    SILVIS POWERHOUSE    PP RZ :  0.49
WLDA2    WHITMAN LAKE DAM     PP RZ :  0.46
TNWA2    AK TOK 70 SE         PP RG :  0.45
ALHA2    ALCAN HWY MI-1244    PP RG :  0.42
CFSA2    CRAIG FOREST SERVICE PP RZ :  0.39
EYLA2    EYAK LAKE            PP RZ :  0.38
ZMBA2    ZAREMBO ISLAND SOUTH PC RG :  0.36
PPSA2    POWDER PATCH STATION PC RZ :  0.35
KKEA2    KAKE RAWS            PC RG :  0.34
ZMBA2    ZAREMBO ISLAND SOUTH PP RG :  0.33
SHLA2    SHELTER COVE RAWS    PC RG :  0.33
PACV     CORDOVA              PP RZ :  0.33

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES OVER ALL OF ALASKA... EXCEPT SOUTHERN
MAINLAND.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL PRECIPITATION OVER THE WESTERN MAINLAND AND DOWN ALONG
THE ALASKA PENINSULA.

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

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

THIS TEXT PRODUCT WILL BE ISSUED DAILY UNTIL FREEZEUP IN THE FALL. A
GRAPHICAL VERSION OF THE HYDROMET DISCUSSION IS AVAILABLE AT
HTTP://WWW.WEATHER.GOV/APRFC/GRAPHICALHMD

$$
KFM


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