Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 292227
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT WED JUL 29 2015

...FLOOD POTENTIAL...

FLOOD POTENTIAL IS CURRENTLY LOW ACROSS THE REST OF THE STATE.

...HYDROMETEOROLOGICAL DISCUSSION...

THE UPPER LEVEL PATTERN INDICATES A BROAD LOW THAT EXTENDS FROM THE
Y/K PENINSULA INTO THE NORTHERN GULF OF ALASKA. THERE IS ALSO AN
ESPECIALLY DEEP LOW WELL NORTH OF THE ALCAN BORDER OVER THE ARCTIC
OCEAN. THE FIRST LOW WILL MOVE ENTIRELY OVER THE GULF OF ALASKA BY
FRIDAY. THERE IS A TROUGH AXIS THAT CONNECTS THE TWO LOWS THAT GOES
THROUGH THE EASTERN MAINLAND.

HEAVIEST RAIN FOR TODAY AND TONIGHT IS EXPECTED OVER THE
PANHANDLE... WITH UP TO AN INCH. SCATTERED SHOWERS AND THUNDERSTORMS
IN THE VICINITY OF THE ALASKA RANGE CAN PRODUCE LOCALIZED THREE-
QUARTER INCH AMOUNTS. FOR THURSDAY... HEAVIEST AMOUNTS WILL BE OVER
THE PANHANDLE/KETCHIKAN AREA WITH UP TO 2.5 INCHES. ANOTHER DAY OF
WIDELY SCATTERED SHOWERS AND THUNDERSTORMS FOR THE ALASKA RANGE AND
EASTERN INTERIOR. ON FRIDAY... AN AREA OF RAIN WILL MOVE INTO THE
NORTH SLOPE WITH VALUES UP TO A QUARTER INCH. CONTINUED WIDELY
SCATTERED SHOWERS FOR SOUTHEAST MAINLAND INTO THE PANHANDLE.

...PRECIPITATION...

SELECTED PRECIPITATION TOTALS FOR THE 24 HOURS ENDING AT 4 AM TODAY:

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
ECBA2    EAGLECREST BASE      PP RZ :  1.86
SPPA2    SNETTISHAM POWER     PP RZ :  1.74
JDWA2    JUNEAU DOUGLAS WWTP  PP RZ :  1.36
THOA2    THORNE BAY RAWS      PC RG :  1.33
PECA2    PELICAN              PP RZ :  1.31
HATA2    HATCHER PASS         PC R2 :  1.30
KEYA2    KENAI RIVER AT KENAI PP RV :  1.26
GCQA2    GILMORE CREEK        PP RZ :  1.24
GSTA2    GLACIER BAY NATIONAL PP RZ :  1.17
SDIA2    SOUTH DOUGLAS        PC RZ :  1.11
HATA2    HATCHER PASS         PP RG :  1.07
AUKA2    AUKE BAY LARC        PP RZ :  1.03
JTMA2    MT ROBERTS TRAM      PC RZ :  0.99
ALXA2    ALEXANDER LAKE       PC RM :  0.90
PAYA     YAKUTAT              PP RZ :  0.89
GTSA2    GUSTUVUS 2NE         PP RG :  0.85
CTUA2    CHITITU CAMP NPS     PC RG :  0.83
LSOA2    LITTLE SU AT HATCHER PP RZ :  0.78
FAOA2    COLLEGE OBSERVATORY  PP RZ :  0.76
TLRA2    UPPER TALARIK CREEK  PC RG :  0.75
PAPG     PETERSBURG           PP RZ :  0.74
ZMBA2    ZAREMBO ISLAND SOUTH PC RG :  0.72
PAJK     JUNEAU WFO           PC RZ :  0.71
AURA2    AURORA               PP RZ :  0.71
UNCA2    UPPER NOME CREEK     PC RM :  0.70
CIAA2    CANYON ISLAND        PP RZ :  0.69
PAMC     MCGRATH              PP RZ :  0.68
PAKT     KETCHIKAN            PP RZ :  0.68
HONA2    HOONAH RAWS          PC RG :  0.68
DNPA2    DENALI PARK HQ       PP RZ :  0.68
SGSA2    SKILAK GUARD STATION PC RG :  0.67
PARY     RUBY                 PP RZ :  0.67

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES FOR THE ENTIRE STATE...EXCEPT FOR PORTIONS
OF THE FAR NORTH.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
BELOW NORMAL PRECIPITATION FOR MUCH OF THE STATE. THE EXCEPTION IS
OVER THE EASTERN NORTH SLOPE.

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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