Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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AGAK78 PACR 022301
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HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT THU JUL 2 2015

...FLOOD POTENTIAL...

A SMALL STREAM FLOOD ADVISORY HAS BEEN ISSUED FOR DENALI WEST OF THE
PARKS HIGHWAY.  THIS FLOOD ADVISORY IS IN EFFECT UNTIL AM 11:45 AKDT
FRIDAY.

THE FLOOD WATCH FOR THE GOODPASTER RIVER HAS BEEN CANCELLED.

A GLACIER DAMMED LAKE RELEASE ON THE TAKU RIVER APPEARS TO BE
CRESTING... AND WATER LEVELS SHOULD FALL RAPIDLY TONIGHT.

ELSEWHERE ACROSS THE STATE... THE FLOOD POTENTIAL IS LOW.

...HYDROMETEOROLOGICAL DISCUSSION...

THE UPPER LEVEL PATTERN TODAY HAS A LOW IN WESTERN CANADA... A LOW
NORTH OF BARROW WITH A TROUGH EXTENDING SOUTH TO THE SEWARD
PENINSULA... A LOW OVER THE WESTERN ALEUTIANS... AND A RIDGE FROM
THE NORTH PACIFIC THROUGH THE BERING AND INTO SIBERIA.  THE CANADIAN
LOW WILL CONTINUE EASTWARD... BUT WRAP-AROUND AND A DEFORMATION ZONE
TO THE WEST OF THE LOW WILL CONTINUE TO BRING RAIN AND SHOWERS TO
PORTIONS SOUTHCENTRAL... THE SOUTHEAST MAINLAND... AND NORTHERN
SOUTHEAST INTO FRIDAY.  THE TROUGH OVER THE NORTHWEST MAINLAND WILL
BRING RAIN TO THAT REGION INTO FRIDAY.  AND A WAVE ROTATING AROUND
THE ALEUTIAN LOW WILL BRING RAIN TO THE ALEUTIANS AND THE AKPEN ON
FRIDAY... WITH RAIN SPREADING INTO THE SOUTHWEST MAINLAND AND
SOUTHCENTRAL ON SATURDAY.

...PRECIPITATION...

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
TTLA2    TOTATLANIKA RAWS     PC RG :  1.69
UCEA2    UPPER CHENA DOME     PC R2 :  1.46
MNCA2    MONUMENT CREEK       PC R2 :  1.37
SALA2    SALCHA RIVER         PC RG :  1.35
TLDA2    TELIDA RAWS          PC RG :  1.29
UCHA2    CHENA RIVER          PC RG :  1.27
AGLA2    ANGEL CREEK RAWS     PC RG :  1.17
MANA2    MANCHU               PC RG :  1.14
MRGA2    MARGUERITE CREEK     PC RG :  1.10
MCDA2    CHENA RIVER          PC RG :  1.09
GDPA2    GOODPASTER RAWS      PC RG :  1.04
BKSA2    BLAIR LAKES RAWS     PC RG :  1.01
JCKA2    JARVIS CREEK RAWS    PC RG :  1.00
CRHA2    CHENA RIVER          PC RG :  1.00
TRSA2    TWO RIVERS           PC RG :  0.94
OKLA2    OKLAHOMA RAWS        PC RG :  0.91
SLRA2    SALCHA RIVER RAWS    PC RG :  0.84
GBDA2    GOODPASTER RIVER     PC RG :  0.79
FMRA2    FORTYMILE RIVER      PC RG :  0.79
PAHN     HAINES LANDING STRIP PP RZ :  0.75
GECA2    GEORGE CREEK RAWS    PC RG :  0.75
STUA2    STUART CREEK RAWS    PC RG :  0.74
WONA2    WONDER LAKE RAWS     PC RG :  0.70
DOYA2    DONNELLY RAWS        PC RG :  0.69
BTAA2    BOLIO RAWS           PC RG :  0.69
PATK     TALKEETNA            PP RZ :  0.67
DKLA2    DUNKLE HILLS         PC RG :  0.59
BLSA2    BENTALIT LODGE       PC RG :  0.56
DRYA2    DRY CREEK            PP RZ :  0.52
KSHA2    KANTISHNA            PC RM :  0.50
HMEA2    HOMER RAWS           PC RG :  0.50

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED CHANCES FOR ABOVE
NORMAL TEMPERATURES OVER THE ENTIRE STATE.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED CHANCES FOR
ABOVE NORMAL PRECIPITATION OVER MOST OF THE MAINLAND... EXCLUDING
THE SOUTHEAST MAINLAND AND A STRIP ALONG THE NORTHERN COAST.  THERE
ARE INCREASED CHANCES FOR BELOW NORMAL PRECIPITATION OVER MOST OF
SOUTHEAST ALASKA.

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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