Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 312246
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT FRI JUL 31 2015

...FLOOD POTENTIAL...

FLOOD POTENTIAL IS CURRENTLY LOW ACROSS THE STATE.

...HYDROMETEOROLOGICAL DISCUSSION...

THE UPPER LEVEL PATTERN THIS MORNING STILL HAS A LOW WELL NORTH OF
THE NORTH SLOPE... A WEAK TROUGH EXTENDS SOUTHWARD OVER EASTERN
CANADA BEFORE TURNING SHARPLY WESTWARD ACROSS THE GULF.  A RIDGE
OVER THE BERING IS SLOWLY BUILDING INTO THE WESTERN INTERIOR AND
SOUTHERN MAINLAND.

HEAVIEST WIDESPREAD RAIN FOR TODAY IS EXPECTED OVER EASTERN
SOUTHEAST ALASKA AND OVER THE WESTERN BROOKS RANGE.  THE RAIN IN THE
WESTERN BROOKS RANGE IS ASSOCIATED WITH A FRONT FROM THE NORTHERN
LOW... AND WILL SPREAD EASTWARD THROUGH MIDWEEK.  SCATTERED SHOWERS
AND THUNDERSTORMS OVER THE SOUTHERN MAINLAND AND THE EASTERN
INTERIOR TODAY WILL DIMINISH TOMORROW.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
HADA2    HAIDA RAWS           PC RG :  1.90
PAKW     KLAWOCK              PP RZ :  1.39
KKEA2    KAKE RAWS            PC RG :  1.36
PANT     ANNETTE              PP RZ :  1.25
PAKT     KETCHIKAN            PP RZ :  1.25
ZMBA2    ZAREMBO ISLAND SOUTH PC RG :  1.16
SHLA2    SHELTER COVE RAWS    PC RG :  1.06
THOA2    THORNE BAY RAWS      PC RG :  0.97
PAPG     PETERSBURG           PP RZ :  0.66
WICA2    WICKERSHAM DOME      PC RG :  0.63
SOUA2    SOULE RIVER          PC RG :  0.60
KNAA2    MYSTERY CREEK        PC RG :  0.57
SNIA2    SNIPE LAKE           PC RG :  0.55
MKLA2    MCKINLEY RIVER RAWS  PC RG :  0.55

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES OF
ABOVE NORMAL TEMPERATURES FOR THE THE INTERIOR AND SOUTHERN MAINLAND
AND FOR SOUTHEAST ALASKA.  THERE ARE INCREASED PROBABILITIES OF
BELOW NORMAL TEMPERATURES OVER THE NORTHWEST MAINLAND AND THE NORTH
SLOPE.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
BELOW NORMAL PRECIPITATION FOR MUCH OF THE MAINLAND... WITH
INCREASED PROBABILITIES OF ABOVE NORMAL PRECIPITATION OVER THE
EASTERN NORTH SLOPE.

PLEASE REFER TO THE CLIMATE PREDICTION CENTER HOME PAGE FOR FURTHER
INFORMATION.

....................................................................

A GRAPHICAL VERSION OF THE HYDROMET DISCUSSION IS AVAILABLE AT
HTTP://APRFC.ARH.NOAA.GOV/PRODUCTS/GHMD.PHP

A GRAPHICAL SLIDE SHOW PRESENTATION OF HYDROMET ISSUES IS AVAILABLE
AT HTTP://APRFC.ARH.NOAA.GOV/PRODUCTS/PRESENT
$$

ACL



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