Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 192303
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT SAT AUG 19 2017

...FLOOD POTENTIAL...

FLOODING FOR THE TETLIN ROAD AT MILE 5.3 CONTINUES. TANANA RIVER IS
RECEDING... BUT IT WILL TAKE MANY DAYS FOR THE WATER TO CLEAR THE
ROAD.

HEAVY RAIN EXPECTED OVER THE SOUTHERN PANHANDLE ON MONDAY... WILL
RESULT IN HIGH WATER FOR RIVERS AND STREAMS. THE POTENTIAL FOR MUD
SLIDES WILL ALSO INCREASE.

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

...HYDROMETEOROLOGICAL DISCUSSION....

AN UPPER LEVEL LOW OVER NORTON SOUND WILL CONTINUE TO MOVE SOUTH
ALONG THE WEST COAST THROUGH SUNDAY... THEN ENTER THE WESTERN GULF
ON MONDAY. AN ASSOCIATED TROUGH WILL MOVE THROUGH THE GULF AND REACH
THE PANHANDLE BY SUNDAY NIGHT. ANOTHER LOW WILL APPROACH NORTHWEST
ALASKA BY MONDAY NIGHT.

IT IS GOING TO BE A RAINY PATTERN FOR THE GULF COAST THROUGH MONDAY.
FROM THE AKPEN THROUGH THE SOUTHERN PANHANDLE... PERIODIC RAIN...
SOMETIMES HEAVY... WILL FALL IN THE REGION. THE MOST RAIN EXPECTED
DURING THE 3 DAY PERIOD WILL BE OVER THE SOUTHERN PANHANDLE WITH UP
TO 5 INCHES POSSIBLE. NORTHWEST ALASKA WILL SEE UP TO 0.75 INCHES ON
MONDAY.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
ECBA2    EAGLECREST BASE      PP RZ :  1.89
PAAP     PORT ALEXANDER       PP RZ :  1.85
SCSA2    SAWMILL CREEK NEAR S PP RG :  1.75
JDWA2    JUNEAU DOUGLAS WWTP  PP RZ :  1.70
AUKA2    AUKE BAY             PP RZ :  1.60
HYDA2    HYDER                PP RZ :  1.48
SLRA2    SALCHA RIVER RAWS    PC RG :  1.46
PAWR     WHITTIER             PP RZ :  1.45
COVA2    COVILLE RAWS         PP RG :  1.45
TKVA2    TOKOSITNA VALLEY     PC R2 :  1.33
ECEA2    EAGLECREST TOP CWOP  PP RZ :  1.30
SIKA2    SITKA CRN            PP RG :  1.29
JNAA2    JUNEAU DOWNTOWN      PP RZ :  1.23
SIKA2    SITKA CRN            PC R2 :  1.21
PPSA2    POWDER PATCH STATION PC RZ :  1.19
PAFE     KAKE                 PP RZ :  1.12
PAEL     ELFIN COVE           PP RZ :  1.11
RUGA2    RUTH GLACIER RAWS    PC RG :  1.02
ANXA2    ANNEX CREEK          PP RZ :  1.00
PAJK     JUNEAU FORECAST OFFI PP RZ :  0.95
EYKA2    MT EYAK              PC R2 :  0.91
KLWA2    HOLLIS               PP RZ :  0.86
THOA2    THORNE BAY RAWS      PC RG :  0.85
PASI     SITKA AIRPORT        PP RZ :  0.80
RUGA2    RUTH GLACIER RAWS    PP RG :  0.79
PAPG     PETERSBURG AIRPORT   PP RZ :  0.75
GGLA2    GATES GLACIER        PC RG :  0.75
MNDA2    MENDENHALL LAKE LEVE PC RG :  0.73
YUTA2    YAKUTAT 3 SSE CRN    PP RG :  0.71
PAJK     JUNEAU FORECAST OFFI PC RZ :  0.71
TTKA2    TATITLEK             PC RM :  0.70

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
BELOW NORMAL TEMPERATURES OVER THE AKPEN. INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES OVER FAR NORTHEAST PORTION OF ALASKA.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL PRECIPITATION OVER THE GULF COAST REGION... ALONG THE
ALCAN BORDER AND THE PANHANDLE.

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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