Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 232316
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT FRI JUN 23 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 WEAK
TROUGH AXIS THAT HAS MOVED INLAND OVER 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 SUNDAY.

AREAS OF LIGHT RAIN WITH SCATTERED SHOWERS EXPECTED OVER MUCH OF
ALASKA TODAY AND TONIGHT. SOME ISOLATED THUNDERSTORMS ARE ALSO
POSSIBLE MAINLY NEAR THE ALASKA RANGE. THE GULF LOW WILL MAKE
LANDFALL ON SATURDAY OVER THE PANHANDLE... PROVIDING UP TO AN INCH
OF RAIN FOR THE PANHANDLE AND SOUTHEAST MAINLAND. CONTINUED AREAS OF
RAIN SOUTHEAST FOR SUNDAY. NEXT SYSTEM FROM THE WEST WILL PROVIDE
RAIN ALONG THE ALEUTIAN CHAIN SUNDAY.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
OKLA2    OKLAHOMA RAWS NR FAI PC RG :  0.50
PADK     ADAK                 PP RZ :  0.48
PAPG     PETERSBURG AIRPORT   PP RZ :  0.39
CFSA2    CRAIG FOREST SERVICE PP RZ :  0.39
KILA2    KILBUCK RAWS         PC RG :  0.36
MPSA2    MOOSE PASS RR        PP RG :  0.35
AWRA2    HELMET MOUNTAIN RAWS PC RG :  0.34
PAWR     WHITTIER             PP RZ :  0.31
GTSA2    GUSTUVUS 2NE         PC R2 :  0.30
FLLA2    FAWN LAKE            PP RZ :  0.28
CNAA2    CHISANA SNOTEL       PC R2 :  0.28
PTBA2    POINT BAKER          PP RZ :  0.26
KPHA2    KETCHIKAN POWERHOUSE PP RZ :  0.26
CSNA2    CHISANA RAWS         PC RG :  0.26
ZMBA2    ZAREMBO ISLAND SOUTH PC RG :  0.25
HOOA2    HOONAH               PP RZ :  0.25
GSCA2    GOLDSTREAM CREEK     PP RZ :  0.25

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES OVER NORTHERN MAINLAND AND THE ALEUTIAN
ISLANDS. INCREASED PROBABILITIES OF BELOW NORMAL TEMPERATURES OVER
SOUTHERN MAINLAND AND THE PANHANDLE.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL PRECIPITATION OVER WESTERN AND SOUTHERN ALASKA...
INCLUDING THE ALEUTIAN ISLANDS.

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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