Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 182225
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT WED OCT 18 2017

...FLOOD POTENTIAL...

THE FLOOD POTENTIAL IS CURRENTLY LOW FOR THE ENTIRE STATE.

...HYDROMETEOROLOGICAL DISCUSSION....

AT 500 MB THIS MORNING THERE IS A LARGE LOW CENTERED JUST WEST OF
THE CANADIAN ARCHIPELAGO AND A LOW SOUTH OF THE AKPEN. OVER THE NEXT
COUPLE OF DAYS MAINLAND ALASKA WILL BE DRY AS COLD DRY AIR IS
ADVECTED FROM THE YUKON AROUND THE LOW PRESSURE SYSTEM IN THE
EASTERN GULF OF ALASKA. PERSISTENT RAIN SHOWERS WILL CONTINUE
THROUGH FRIDAY OVER THE SOUTHEAST PANHANDLE.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
CRGA2    CRAIG WEATHER STATIO PC RG :  1.36
PANT     ANNETTE AIRPORT      PP RZ :  0.59
SIKA2    SITKA CRN            PC R2 :  0.49
THOA2    THORNE BAY RAWS      PC RG :  0.35
JNAA2    JUNEAU DOWNTOWN      PP RZ :  0.35
ESIA2    ESTHER ISLAND        PC R2 :  0.35
SCSA2    SAWMILL CREEK NEAR S PC RG :  0.34
SNTA2    SAND POINT CRN       PC R2 :  0.32
PAJK     JUNEAU FORECAST OFFI PP RZ :  0.32
PAJN     JUNEAU AIRPORT       PP RZ :  0.20

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
BELOW NORMAL TEMPERATURES OVER THE WESTERN MAINLAND. NEAR NORMAL
TEMPERATURES OVER THE CENTRAL INTERIOR AND ABOVE NORMAL TEMPERATURES
ALONG THE GULF COAST AND SOUTHEAST PANHANDLE.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL PRECIPITATION OVER MUCH OF THE SOUTHERN MAINLAND AND
OVER SOUTHEAST ALASKA.  NEAR NORMAL PRECIPITATION IS LIKELY OVER THE
REST OF THE STATE.

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

$$
DPS



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