Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 162319
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT WED AUG 16 2017

...FLOOD POTENTIAL...

A FLOOD ADVISORY FOR THE TETLIN ROAD AT MILE 5.3 REMAINS IN EFFECT
UNTIL 4:30 AM AKDT THURSDAY... AND THE ADVISORY HAS BEEN EXTENDED TO
INCLUDE THE NORTHWAY VILLAGE ROAD.

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

...HYDROMETEOROLOGICAL DISCUSSION....

AN UPPER LEVEL LOW WILL REMAIN NEARLY STATIONARY OVER NORTHWEST
ALASKA THROUGH AT LEAST SATURDAY. AN ASSOCIATED TROUGH WILL PIVOT
THE GULF COAST REGION OVER THE NEXT COUPLE OF DAYS... AND MOVE
THROUGH THE PANHANDLE THURSDAY NIGHT.

FOR TODAY THROUGH THURSDAY... HEAVIEST RAIN WILL BE IN THE PRINCE
WILLIAM SOUND AND PANHANDLE AREAS. RAIN AMOUNTS EACH DAY WILL RANGE
UP TO 2.5 INCHES IN THESE LOCATIONS. LESSER AMOUNTS EXPECTED FOR THE
INTERIOR... ALTHOUGH ISOLATED AMOUNTS OF UP TO AN INCH ARE EXPECTED.
PANHANDLE AGAIN WILL SEE THE MOST RAIN ON SATURDAY... WITH UP AN
INCH POSSIBLE.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
KPHA2    KETCHIKAN POWERHOUSE PP RZ :  2.57
KTNA2    BEAVER FALLS POWERHO PP RZ :  2.53
ZMBA2    ZAREMBO ISLAND SOUTH PC RG :  1.80
PAKT     KETCHIKAN AIRPORT    PP RZ :  1.76
HFHA2    HIDDEN FALLS HATCHER PP RZ :  1.47
HADA2    HAIDA RAWS           PC RG :  1.44
MHPA2    MITKOF HWY PETERSBUR PP RZ :  1.42
PAMM     METLAKATLA           PP RZ :  1.38
SHLA2    SHELTER COVE RAWS    PC RG :  1.36
LLKA2    LONG LAKE            PC RM :  1.30
CHSA2    CIRCLE HOT SPRINGS   PP RZ :  1.20
PAAP     PORT ALEXANDER       PP RZ :  1.15
META2    AK METLAKATLA 6S     PP RG :  1.08
KKEA2    KAKE RAWS            PC RG :  1.08
ATGA2    ATIGUN PASS SNOTEL   PC RM :  1.00
PANT     ANNETTE AIRPORT      PP RZ :  0.98
AGLA2    ANGEL CREEK RAWS     PP RG :  0.96
SAWA2    SPEEL ARM STATION 4- PC RZ :  0.95
PPSA2    POWDER PATCH STATION PC RZ :  0.94
VTKA2    IVOTUK CRN           PP RG :  0.92
PAPG     PETERSBURG AIRPORT   PP RZ :  0.90
MNCA2    MONUMENT CREEK SNOTE PP RG :  0.83
GOBA2    GOBBLERS KNOB SNOTEL PC RM :  0.80
COFA2    COLDFOOT SNOTEL      PC RM :  0.80
UCEA2    UPPER CHENA DOME SNO PP RG :  0.77
ECEA2    EAGLECREST TOP CWOP  PP RZ :  0.77
VTKA2    IVOTUK CRN           PC R2 :  0.73
SOUA2    SOULE RIVER NEAR HYD PP RG :  0.72
SPPA2    SNETTISHAM POWER PLA PP RZ :  0.71
JMTA2    JIM RIVER WEATHER ST PP RG :  0.71
UCEA2    UPPER CHENA DOME SNO PC R2 :  0.70
WLDA2    WHITMAN LAKE DAM     PP RZ :  0.65
PAFE     KAKE                 PP RZ :  0.65
SITA2    LITTLE PORT WALTER   PP RZ :  0.64
JDTA2    JUNEAU DOWNTOWN LARC PC RP :  0.63
CRGA2    CRAIG WEATHER STATIO PP RG :  0.63
KLIA2    KILLIK PASS          PP RG :  0.60
ANXA2    ANNEX CREEK          PP RZ :  0.59
HOWA2    HOWARD PASS RAWS     PC RG :  0.57
STNA2    STONY STRIP RAWS     PC RG :  0.56
PAUN     UNALAKLEET           PP RZ :  0.56
PABT     BETTLES              PP RZ :  0.55
PAKW     KLAWOCK AIRPORT      PP RZ :  0.54
ECBA2    EAGLECREST BASE      PP RZ :  0.51
STNA2    STONY STRIP RAWS     PP RG :  0.50
ETBA2    EAGLECREST PTARMIGAN PP RZ :  0.50
BFLA2    BETTLES FIELD        PC RM :  0.50
AUKA2    AUKE BAY             PC RP :  0.50

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
BELOW NORMAL TEMPERATURES OVER MOST OF THE MAINLAND.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL PRECIPITATION OVER SOUTHEAST ALASKA... THE ALCAN BORDER
REGION... AND THE NORTHERN THIRD OF THE MAINLAND.  THERE ARE
INCREASED PROBABILITIES OF BELOW NORMAL PRECIPITATION OVER THE
SOUTHWEST MAINLAND... AKPEN... AND PORTIONS OF SOUTHCENTRAL.

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

$$
ACL


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