Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 282327
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT THU JUL 28 2016

...FLOOD POTENTIAL...

THE FLOOD ADVISORY REMAINS IN EFFECT UNTIL 245 PM AKDT FRIDAY FOR
THE CHENA RIVER UPSTREAM OF NORDALE ROAD. THE CHENA RIVER EAST OF
NORDALE ROAD REMAINS NEAR BANKFULL WITH MINOR FLOODING IN SOME
LOCATIONS. IN THE STEAMBOAT LANDING SUBDIVISION IN NORTH
POLE...WATER LEVELS ARE EXPECTED TO REMAIN AT MINOR FLOOD STAGE
THROUGH FRIDAY. THE U.S. ARMY CORPS OF ENGINEERS ALASKA DISTRICT IS
CURRENTLY OPERATING THE MOOSE CREEK DAM. PLEASE REFER TO THE FLOOD
ADVISORY FOR FURTHER INFORMATION.

FLOOD WARNING FOR THE TAIYA RIVER IN THE NORTHERN INNER CHANNELS AND
SKAGWAY. MINOR FLOODING IS EXPECTED WITH PORTIONS OF THE CHILKOOT
TRAIL BECOMING INUNDATED. WATER LEVELS HAVE BEGUN TO FALL.

FLOOD WATCH IS IN EFFECT FOR FRIDAY WITH HEAVY RAINS EXPECTED TO
PRODUCE 1 TO 2 INCHES OF RAIN OVER THE SOUTHERN PORTION OF SEWARD
PENINSULA. RAPID RISES WILL OCCUR ON THE SMALL STREAMS AND RIVERS
DRAINING THE KIGLUAIK AND BENDELEBEN MOUNTAINS.

THE TAZLINA OR NELCHINA GLACIER IS RELEASING. THE TAZLINA RIVER
HAS CRESTED AND HAS BEGUN TO FALL. NO SIGNIFICANT FLOODING EXPECTED.

THE FLOOD POTENTIAL FOR THE REMAINDER OF THE STATE IS CURRENTLY LOW.

...HYDROMETEOROLOGICAL DISCUSSION...

AN UPPER LOW OVER THE NORTHERN GULF IS WEAKENING AS IT HEADS TO THE
NORTHEAST. A STRONG LOW WILL BE RELATIVELY STATIONARY JUST NORTH OF
BARROW... OVER THE NEXT FEW DAYS. MOVE WEST TO EAST ACROSS THE
ARCTIC OCEAN. THE LOW WILL BRING IN SIGNIFICANT RAINS ACROSS WEST-
CENTRAL ALASKA AND INTO THE INTERIOR BY FRIDAY... AND THE SOUTHWEST
BY SATURDAY.

FOR TODAY INTO TONIGHT... HEAVIEST RAINS WILL BE OVER THE YAKUTAT
AREA WITH UP TO 2 INCHES OF RAIN. PARTS OF THE INTERIOR WILL RECEIVE
UP TO AN INCH. FRIDAY WILL SEE 1 TO 2 INCHES FOR THE SEWARD
PENINSULA AND NORTON SOUND AREA... WITH LESSER AMOUNTS OVER THE
INTERIOR. FOR SATURDAY... A SWATH OF RAIN WILL RANGE SOUTHWEST TO
NORTHEAST ALASKA WITH A BROAD AREA OF HALF INCH TO AN INCH OF RAIN.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
DBWA2    DRY BAY GLACIER BAY  PC RG :  3.50
PAWR     WHITTIER             PP RZ :  2.77
PAYA     YAKUTAT              PP RZ :  2.76
SRYA2    SITUK RIVER NR YAKUT PC RG :  2.70
PPSA2    POWDER PATCH STATION PC RZ :  2.56
GQIA2    QUEEN INLET GLACIER  PC RG :  2.48
ECEA2    EAGLECREST TOP CWOP  PP RZ :  2.33
GQIA2    QUEEN INLET GLACIER  PP RG :  2.29
ETBA2    EAGLECREST PTARMIGAN PP RZ :  2.15
PAJK     JUNEAU WFO           PP RZ :  1.83
MNDA2    MENDENHALL LAKE LEVE PC RG :  1.82
SPPA2    SNETTISHAM POWER PLA PP RZ :  1.73
SDIA2    SOUTH DOUGLAS        PC RZ :  1.58
GNLA2    NUNATAK LOWER GLACIE PC RG :  1.56
PAJK     JUNEAU WFO           PC RZ :  1.50
MCAA2    MONTANA CREEK AT BAC PC RG :  1.49
SAWA2    SPEEL ARM STATION 4- PC RZ :  1.42
PAAP     PORT ALEXANDER       PP RZ :  1.42
ECBA2    EAGLECREST BASE      PP RZ :  1.35
GNLA2    NUNATAK LOWER GLACIE PP RG :  1.34
ANXA2    ANNEX CREEK          PP RZ :  1.31
JSBA2    SUICIDE BASIN        PP RZ :  1.29
DCSA2    DAVIES CREEK SNOTEL  PC R2 :  1.27
SNEA2    SNETTISHAM POWER STA PC RZ :  1.19
ABYA2    AUKE BAY LAB DOCK    PC RZ :  1.11
CBHA2    CORDOVA BOAT HARBOR  PC RP :  1.05
JDWA2    JUNEAU DOUGLAS WWTP  PP RZ :  1.00
ESIA2    ESTHER ISLAND        PC RM :  1.00
JNAA2    JUNEAU DOWNTOWN      PP RZ :  0.97
SIKA2    SITKA CRN            PC R2 :  0.93
EYLA2    EYAK LAKE            PP RZ :  0.93
AUKA2    AUKE BAY LARC        PC RP :  0.90
PASI     SITKA                PP RZ :  0.87
JLPA2    JUNEAU LENA POINT    PP RZ :  0.83
SIKA2    SITKA CRN            PP RG :  0.82
GTSA2    GUSTUVUS 2NE         PC R2 :  0.81
TSLA2    TED STEVENS LENA POI PP RZ :  0.79
BLTA2    BARTLETT COVE        PC RG :  0.79
MHPA2    MITKOF HWY PETERSBUR PP RZ :  0.78
PAGS     GUSTAVUS             PP RZ :  0.77
SRFA2    STRAWBERRY REEF      PC R2 :  0.76
PATO     PORTAGE GLACIER      PP RZ :  0.74
PAJN     JUNEAU               PP RZ :  0.74
GTSA2    GUSTUVUS 2NE         PP RG :  0.73
SKGA2    SKAGWAY RIVER NR SKA PP RZ :  0.72
EYRA2    EYAK RIVER           PP RZ :  0.72
FPKA2    FOURPEAKED RAWS      PC RG :  0.68
SITA2    LITTLE PORT WALTER   PP RZ :  0.67
PADQ     KODIAK               PP RZ :  0.65
KKEA2    KAKE RAWS            PC RG :  0.65
DWSA2    DYEA WEATHER STATION PP RG :  0.62
PAGY     SKAGWAY              PP RZ :  0.61
MREA2    MOORE CREEK BRIDGE   PC RM :  0.60
AUKA2    AUKE BAY LARC        PP RZ :  0.60
HOWA2    HOWARD PASS RAWS     PC RG :  0.58
HONA2    HOONAH RAWS          PC RG :  0.54
FPKA2    FOURPEAKED RAWS      PP RG :  0.54
DCKA2    DAHL CREEK NR KOBUK  PC RG :  0.52
PAEL     ELFIN COVE           PP RZ :  0.51
TYAA2    TAIYA RIVER NR SKAGW PP RG :  0.50

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES FOR THE ENTIRE STATE EXCEPT THE NORTH
SLOPE AND EASTER INTERIOR.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL PRECIPITATION OVER THE NORTH SLOPE.

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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