Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 272336
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT SAT MAY 27 2017

...FLOOD POTENTIAL...

HEAVY RAINS OVER SOUTH-CENTRAL ALASKA WILL RESULT IN LOCALLY HIGH
RISES IN RIVERS AND STREAMS. MOST SIGNIFICANT RISES EXPECTED FOR THE
RESURRECTION RIVER NEAR SEWARD.

THE FLOOD POTENTIAL IS LOW FOR THE REST OF THE STATE.

FOR THE STATUS OF RIVER ICE BREAKUP AROUND THE STATE VISIT:
HTTP://WWW.WEATHER.GOV/APRFC/SRAK48PACR

...HYDROMETEOROLOGICAL DISCUSSION....

THE UPPER LEVEL PATTERN CURRENTLY HAS A TROUGH AXIS ALONG THE WEST
COAST OF ALASKA. WEAKENING RIDGING OVER THE EASTERN PORTION OF THE
STATE. AN UPPER LEVEL LOW IS EXPECTED TO DEVELOP OVER THE AKPEN BY
SUNDAY. THIS LOW WILL DRIFT NORTHWARD INTO SOUTHWEST MAINLAND BY
TUESDAY... BEFORE WEAKENING.

FOR TODAY THROUGH SUNDAY... AREAS OF HEAVY RAIN WILL BE OVER THE
KENAI PENINSULA AND THE WESTERN PORTION OF PRINCE WILLIAM SOUND.
LOCALIZED AMOUNTS OF 3 INCHES POSSIBLE IN UPSLOPE REGIONS. FOR
MONDAY...HEAVIEST RAIN WILL BE OVER THE CENTRAL INTERIOR WITH UP TO
AN INCH POSSIBLE.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
PEDA2    PEDERSEN LAGOON      PP RG :  0.45
FOJA2    FOURTH OF JULY CREEK PC RP :  0.41
EXGA2    EXIT GLACIER         PC R2 :  0.40
ESIA2    ESTHER ISLAND        PC RM :  0.40
VCOA2    VALDEZ               PP RZ :  0.39
TKVA2    TOKOSITNA VALLEY     PC R2 :  0.33
PAWD     SEWARD               PP RZ :  0.33

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES FOR WEST AND NORTHERN ALASKA. INCREASED
PROBABILITIES OF BELOW NORMAL TEMPERATURES FOR SOUTHEAST MAINLAND
AND THE PANHANDLE.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL PRECIPITATION FOR ALL OF ALASKA.

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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