Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 312251
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT TUE AUG 31 2016

...FLOOD POTENTIAL...

THE FLOOD POTENTIAL FOR THE STATE IS CURRENTLY LOW.

...HYDROMETEOROLOGICAL DISCUSSION...

THE UPPER LEVEL PATTERN TODAY FEATURES A HIGH CENTERED NEAR THE
BERING STRAIT... LOWS IN THE SOUTHEAST GULF AND SOUTH OF THE WESTERN
ALEUTIANS... AND A SHORTWAVE OVER THE NORTHEAST MAINLAND.  THE
SHORTWAVE IS BRINGING SOME RAIN TO THE NORTHEAST MAINLAND TODAY...
BUT WILL SLIDE SOUTH ALONG THE ALCAN BORDER AND WEAKEN THROUGH
THURSDAY AS THE LOW IN THE SOUTHEAST GULF MOVES OFF TO THE
SOUTHEAST.  HIGHER PRESSURE OVER MOST OF THE MAINLAND WILL SLOW THE
APPROACHING FRONT FROM THE LOW NEAR THE ALEUTIANS... RAIN ASSOCIATED
WITH THE FRONT IS NOT EXPECTED TO REACH THE SOUTHWEST MAINLAND COAST
BEFORE FRIDAY NIGHT.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
CRGA2    CRAIG WEATHER STN    PC RG :  0.51
HADA2    HAIDA RAWS           PC RG :  0.49
PAKW     KLAWOCK              PP RZ :  0.36
SHLA2    SHELTER COVE RAWS    PC RG :  0.34
PANT     ANNETTE              PP RZ :  0.29
SIKA2    SITKA CRN            PC R2 :  0.19
PASI     SITKA                PP RZ :  0.16
ZMBA2    ZAREMBO ISLAND SOUTH PC RG :  0.14
THOA2    THORNE BAY RAWS      PC RG :  0.10

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES OVER THE SEWARD PENINSULA... THE SOUTHWEST
MAINLAND... SOUTHCENTRAL ALASKA... THE COPPER RIVER BASIN... THE
NORTH GULF COAST... AND SOUTHEAST ALASKA.    THERE ARE INCREASED
PROBABILITIES OF BELOW NORMAL TEMPERATURES OVER THE NORTH SLOPE...
MOST OF THE BROOKS RANGE... AND PORTIONS OF THE CENTRAL AND EASTERN
INTERIOR.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL PRECIPITATION OVER MOST OF THE EASTERN HALF OF THE
MAINLAND AND OVER SOUTHEAST ALASKA.  THERE ARE INCREASED
PROBABILITIES OF BELOW NORMAL PRECIPITATION OVER THE SEWARD
PENINSULA... MUCH OF THE WESTERN INTERIOR... AND MUCH OF THE
SOUTHWEST MAINLAND.

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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