Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12
000
AGAK78 PACR 302224
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT SAT AUG 30 2014

...FLOOD POTENTIAL...

THE FLOOD POTENTIAL IS CURRENTLY LOW.

...HYDROMETEOROLOGICAL DISCUSSION...

THE CLOSED LOW JUST NORTH OF NORTHWEST ALASKA WILL BE NEARLY
STATIONARY THROUGH EARLY NEXT WEEK. ONE UPPER TROUGH AXIS IS
CURRENTLY ALONG THE PANHANDLE OF ALASKA. ANOTHER TROUGH IS CURRENTLY
MOVING MOVING TOWARD THE GULF OF ALASKA. THIS SECOND TROUGH WILL
QUICKLY MOVE EAST AND REACH THE PANHANDLE BY SUNDAY EVENING. A THIRD
TROUGH IS EXPECTED TO DEEPEN OVER THE GULF OF ALASKA DURING THE DAY
MONDAY. EACH OF THESE TROUGHS WILL HAVE AN ASSOCIATED WEAK SURFACE
LOW.

THE GREATEST PRECIPITATION AMOUNTS FOR TODAY WILL BE OVER THE
SOUTHEAST PORTION OF MAINLAND ALASKA. THE PANHANDLE WILL SEE
INTERMITTENT RAIN THROUGH MONDAY...WITH SOME UPSLOPE REGIONS
REACHING 3 INCHES FOR THE 3 DAYS. ALSO LIGHT RAIN/SNOW WILL MOVE
INTO NORTHWEST ALASKA TODAY...THEN SPREAD INTO THE INTERIOR BY
MONDAY. UP TO TWO-THIRDS OF AN INCH EXPECTED FROM THIS AREA OF
PRECIPITATION.

FREEZING LEVELS THIS MORNING RANGED FROM 1000 TO 3000 FEET FOR THE
NORTHERN HALF OF THE STATE. FOR THE REMAINDER OF THE STATE... 4000
TO 7000 FEET.

BY MONDAY...NORTHEAST ALASKA FREEZING LEVELS WILL RANGE FROM 1000-
3000 FEET. THE INTERIOR AND THE PANHANDLE WILL RANGE FROM 4000-7000
FEET. THE WEST AND THE ALEUTIANS WILL RANGE FROM 8000-10000 FEET.

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
SHLA2    SHELTER COVE RAWS    PP RG :  3.24
PAAP     PORT ALEXANDER       PP RZ :  1.78
PAKT     KETCHIKAN            PP RZ :  1.67
SOUA2    SOULE RIVER NEAR HYD PC RG :  1.60
KTAA2    KETCHIKAN 13N        PP RZ :  1.20
HADA2    HAIDA RAWS           PC RG :  1.14
HADA2    HAIDA RAWS           PP RG :  1.12
ZMBA2    ZAREMBO ISLAND SOUTH PP RG :  1.08
SKWA2    SKWENTNA RIVER       PP RV :  0.92
EYLA2    EYAK LAKE            PP RZ :  0.87
PACV     CORDOVA              PP RZ :  0.72
EYKA2    MT EYAK              PC RM :  0.70
CRUA2    COLVILLE RIVER       PP RG :  0.67
PAKW     KLAWOCK              PP RZ :  0.65
MONA2    MONTANA CREEK        PP RV :  0.65
CFVA2    COLDFOOT VISITORS    PP RZ :  0.65
UMTA2    UMIAT AIRFIELD       PC RG :  0.60
TTKA2    TATITLEK             PC RM :  0.60
HOUA2    HOUSTON CITY HALL    PP RZ :  0.60
KLAA2    KLAWASKI RAWS        PC RG :  0.58
KKEA2    KAKE RAWS            PC RG :  0.54
SIKA2    SITKA CRN            PP RG :  0.52
KKEA2    KAKE RAWS            PP RG :  0.52
CLKA2    CHELATNA LAKE        PP RZ :  0.52
BKLA2    BUCKLAND UPLANDS RAW PC RG :  0.52
MSOA2    MUNSON RIDGE SNOTEL  PC R2 :  0.51
UPPA2    UPPER TSAINA SNOTEL  PC RM :  0.50
GRVA2    GRANDVIEW SNOTEL     PC RM :  0.50
GGLA2    GATES GLACIER        PP RG :  0.50
CXCA2    CHITINA RAWS         PP RG :  0.49
META2    AK METLAKATLA 6S     PP RG :  0.48
TNWA2    AK TOK 70 SE         PP RG :  0.47
PANT     ANNETTE              PP RZ :  0.47

...LONG RANGE...

THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED CHANCES OF BELOW
NORMAL TEMPERATURES FOR NORTHEAST ALASKA. THE REMAINDER OF THE STATE
HAS INCREASED CHANCES OF ABOVE NORMAL TEMPERATURES.

THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED CHANCES FOR
ABOVE NORMAL PRECIPITATION FOR MUCH OF THE STATE. THE EXCEPTION IS
WEST-CENTRAL ALASKA... WHICH HAS INCREASED CHANCES OF BELOW NORMAL
PRECIPITATION.

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

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

THIS HYDROMET DISCUSSION WILL BE ISSUED DAILY UNTIL FREEZE-UP BEGINS
IN THE FALL.

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

$$

KFM



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.