Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 312305
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT SUN AUG 31 2014

...FLOOD POTENTIAL...

THE FLOOD POTENTIAL IS CURRENTLY LOW.

...HYDROMETEOROLOGICAL DISCUSSION...

THE CLOSED LOW JUST NORTH OF NORTHWEST ALASKA WILL BE NEARLY
STATIONARY THROUGH TUESDAY. ONE UPPER TROUGH AXIS IS CURRENTLY OVER
THE GULF OF ALASKA. ANOTHER TROUGH AXIS IS CURRENTLY ALONG THE
ALEUTIAN ISLANDS. THIS SECOND TROUGH WILL MOVE EAST THROUGH THE GULF
AND REACH THE PANHANDLE BY MONDAY EVENING. BY MIDWEEK... THE
SOUTHERN HALF OF ALASKA WILL UNDER NEARLY ZONAL FLOW... WHILE THE
FAR NORTH WILL STILL BE UNDER THE INFLUENCE OF THE UPPER LOW.

THE GREATEST PRECIPITATION AMOUNTS FOR TODAY WILL BE OVER THE
PANHANDLE...WITH UP TO AN INCH POSSIBLE. A FRONT MOVING IN FROM THE
NORTH WILL BRING SIGNIFICANT AMOUNTS OF RAIN MONDAY TO THE
INTERIOR...WITH LOCALIZED INCH REPORTS POSSIBLE. THE NORTH SLOPE
WILL SEE A WINTRY MIX OVER THE NEXT FEW DAYS... DUE TO BEING IN
VICINITY OF THE UPPER LOW. FOR TUESDAY... UP TO A HALF INCH OF
PRECIPITATION POSSIBLE NEAR THE ALASKA RANGE AND THE BROOKS RANGE.

FREEZING LEVELS THIS MORNING RANGED FROM 500 TO 3000 FEET FOR THE
NORTHERN HALF OF THE STATE. FOR THE REMAINDER OF THE STATE... 4000
TO 7000 FEET.

BY TUESDAY...NORTHERN ALASKA FREEZING LEVELS WILL REMAIN IN THE
1000 TO 3000 FOOT RANGE. FOR THE GULF OF ALASKA COAST... INCLUDING
THE ALEUTIAN ISLANDS AND PANHANDLE... WILL SEE LEVELS RISE UP TO A
RANGE FROM 8000 TO 10000 FEET.

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
EYRA2    EYAK RIVER           PP RZ :  1.84
EYKA2    MT EYAK              PC RM :  1.70
PACV     CORDOVA              PP RZ :  1.28
PAKW     KLAWOCK              PP RZ :  1.08
PAPG     PETERSBURG           PP RZ :  0.80
PAOU     NELSON LAGOON        PP RZ :  0.80
PAVC     KING COVE            PP RZ :  0.72
SPPA2    SNETTISHAM           PP RZ :  0.67
TEBA2    TEBAY LAKE RAWS      PP RG :  0.63
HADA2    HAIDA RAWS           PC RG :  0.60
PAAP     PORT ALEXANDER       PP RZ :  0.52
PAYA     YAKUTAT              PP RZ :  0.51
KLWA2    HOLLIS               PP RZ :  0.51
HADA2    HAIDA RAWS           PP RG :  0.51
WNHA2    WALLY NOERENBURG     PP RZ :  0.50
CQNA2    CHICKEN COOP         PP RZ :  0.50
WHIA2    MAIN BAY             PP RZ :  0.45
KTAA2    KETCHIKAN 13N        PP RZ :  0.45
GGLA2    GATES GLACIER        PP RG :  0.45
PTBA2    POINT BAKER          PP RZ :  0.44
PAOM     NOME                 PP RZ :  0.43

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED CHANCES OF BELOW
NORMAL TEMPERATURES FOR NORTHEAST ALASKA AND INTERIOR. THE REMAINDER
OF THE STATE HAS INCREASED CHANCES OF ABOVE NORMAL TEMPERATURES.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED CHANCES FOR
ABOVE NORMAL PRECIPITATION FOR NORTH...FAR EAST AND THE PANHANDLE.
INCREASED CHANCES OF BELOW NORMAL PRECIPITATION EXPECTED Y/K
PENINSULA.

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

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

THIS HYDROMET DISCUSSION WILL BE ISSUED DAILY UNTIL FREEZE-UP BEGINS
IN THE FALL.

A GRAPHICAL VERSION OF THE HYDROMET DISCUSSION IS AVAILABLE AT
HTTP://APRFC.ARH.NOAA.GOV/PRODUCTS/GHMD.PHP

$$

KFM


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