Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT TUE AUG 15 2017

...FLOOD POTENTIAL...

WATER FROM THE TANANA RIVER IS STILL COVERING PORTIONS OF THE TETLIN
ROAD AT MILE 5.3.  HIGH WATER CONTINUES ON THE TANANA RIVER NEAR
TETLIN... AND CULVERTS ARE FULL ALONG THE NORTHWAY VILLAGE ROAD.  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....

THE 500 MB PATTERN THIS MORNING HAS A TROUGH OVER ALASKA... MOST OF
THE BERING... AND INTO WESTERN CANADA... WITH MULTIPLE DISTURBANCES
WITHIN AND ROTATING AROUND THE TROUGH.  OVER THE NEXT COUPLE OF DAYS
A STRONGER SHORTWAVE WILL MOVE OUT OF THE ARCTIC TO THE NORTHWEST
MAINLAND... REINFORCING THE TROUGH.  THIS WILL KEEP COOLER
TEMPERATURES AND PERIODS OF PRECIPITATION... OCCASIONALLY MODERATE
TO HEAVY... OVER MUCH OF THE STATE.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
UCEA2    UPPER CHENA DOME     PC R2 :  1.33
YRBA2    YUKON RIVER          PC RG :  1.18
SAWA2    SPEEL ARM STATION    PC RZ :  1.02
SMIA2    SEVEN MILE RAWS      PC RG :  0.93
GLSA2    GOLDSTREAM CREEK     PC RG :  0.90
PHLA2    PHELAN CREEK         PC RG :  0.83
GOBA2    GOBBLERS KNOB SNOTEL PC RM :  0.80
LIVA2    LIVENGOOD RAWS       PC RG :  0.79
PABI     DELTA JUNCTION       PP RZ :  0.77
LCRA2    LITTLE CHENA RIDGE   PC R2 :  0.76
TRBA2    TOLOVANA RIVER       PC RG :  0.74
JCKA2    JARVIS CREEK RAWS    PC RG :  0.74
GCKA2    GRANITE CREEK SNOTEL PC R2 :  0.74
SCSA2    SAWMILL CREEK        PC RG :  0.72
SIKA2    SITKA CRN            PP RG :  0.71
WICA2    WICKERSHAM DOME      PC RG :  0.68
JDTA2    JUNEAU DOWNTOWN LARC PC RP :  0.68
PASI     SITKA AIRPORT        PP RZ :  0.67
UNCA2    UPPER NOME CREEK     PC R2 :  0.64
GDPA2    GOODPASTER RAWS      PC RG :  0.64
CPKA2    POKER CREEK RAWS     PC RG :  0.64
BTAA2    BOLIO RAWS           PC RG :  0.64
MNCA2    MONUMENT CREEK       PC R2 :  0.63
EVCA2    EIELSON VISITORS     PC RG :  0.62
CKPA2    CHILKOOT PASS RAWS   PC RG :  0.62
DOYA2    DONNELLY RAWS        PC RG :  0.61
PPSA2    POWDER PATCH STATION PC RZ :  0.59
PAGN     ANGOON               PP RZ :  0.58
MCDA2    CHENA RIVER          PC RG :  0.58
HONA2    HOONAH RAWS          PC RG :  0.58
MANA2    MANCHU               PC RG :  0.52
SHLA2    SHELTER COVE RAWS    PC RG :  0.51
FRBA2    FORT WAINWRIGHT RAWS PC RG :  0.51
CRGA2    CRAIG WEATHER STN    PC RG :  0.51
UCHA2    CHENA RIVER          PC RG :  0.49
CHLA2    LITTLE CHENA RIVER   PC RG :  0.46
STUA2    STUART CREEK RAWS    PC RG :  0.44
SALA2    SALCHA RIVER         PC RG :  0.44
PAQT     NUIQSUT              PP RZ :  0.44
OKLA2    OKLAHOMA RAWS        PC RG :  0.44
AGLA2    ANGEL CREEK RAWS     PC RG :  0.44
TRSA2    TWO RIVERS           PC RG :  0.43
MSOA2    MUNSON RIDGE SNOTEL  PC R2 :  0.43
JMTA2    JIM RIVER WEATHER    PC RG :  0.41
SRGA2    SMALL ARMS RANGE     PC RG :  0.39
GBDA2    GOODPASTER RIVER     PC RG :  0.39
CRHA2    CHENA RIVER          PC RG :  0.39
SPCA2    SHEEP CAMP RAWS      PC RG :  0.38
LSTA2    LOST CREEK RAWS      PC RG :  0.38
PXKA2    PAXSON RAWS          PC RG :  0.37
JLPA2    JUNEAU LENA POINT    PP RZ :  0.37
PAHL     HUSLIA               PP RZ :  0.36
CHMA2    CHIMNEY LAKE NPS     PC RG :  0.36
AWRA2    HELMET MOUNTAIN RAWS PC RG :  0.36
PAKW     KLAWOCK AIRPORT      PP RZ :  0.35
MRGA2    MARGUERITE CREEK     PC RG :  0.35
TEEA2    TEE LAKE RAWS        PC RG :  0.34
PAKT     KETCHIKAN AIRPORT    PP RZ :  0.34
RUGA2    RUTH GLACIER RAWS    PC RG :  0.33
MTRA2    MT RYAN SNOTEL       PC R2 :  0.33
MNDA2    MENDENHALL LAKE      PC RG :  0.33
TKLA2    TOKLAT RAWS          PC RG :  0.32
UPRA2    UPPER CHARLEY RIVER  PC RG :  0.31
PAJN     JUNEAU AIRPORT       PP RZ :  0.31
SDIA2    SOUTH DOUGLAS        PC RZ :  0.30
DELA2    DELTA RIVER          PC RG :  0.29
WBQA2    BEAVER RAWS          PC RG :  0.28
KKEA2    KAKE RAWS            PC RG :  0.27
TOSA2    TOK SNOTEL           PC R2 :  0.25
PAYA     YAKUTAT AIRPORT      PP RZ :  0.25
MCPA2    MCARTHUR PASS        PC RG :  0.25
MCAA2    MONTANA CREEK        PC RG :  0.25
CDSA2    CHANDALAR SHELF      PC RG :  0.25

...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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