Hydrometeorological Discussion
Issued by NWS Alaska-Pacific RFC

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000
AGAK78 PACR 022313
HMDACR

HYDROMETEOROLOGICAL DISCUSSION
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
300 PM AKDT TUE SEP 2 2014

...FLOOD POTENTIAL...

MINOR FLOODING EXPECTED ALONG THE CHENA RIVERS AND HIGH WATER ALONG
THE CHATANIKA RIVER. SMALL STREAMS AND RIVERS MAY FLOW OVERBANK IN
LOW LYING AREAS NEAR THE NULATO HILLS.

...HYDROMETEOROLOGICAL DISCUSSION...

THE CLOSED LOW JUST NORTH OF NORTHWEST ALASKA WILL MOVE EASTWARD
INTO NORTHERN CANADA OVER THE NEXT 48 HOURS. THERE WILL BE A
TRAILING UPPER TROUGH AXIS THAT WILL CUT THROUGH THE NORTH SLOPE. A
DRYING TREND FOR THE SOUTHERN HALF OF THE STATE AS MORE ZONAL FLOW
TAKES HOLD. AN ATMOSPHERIC RIVER IS EXPECTED TO SET UP OVER THE GULF
OF ALASKA... BUT THAT ISN`T EXPECTED TO IMPACT THE YAKUTAT AREA
UNTIL LATE FRIDAY.

THE GREATEST PRECIPITATION AMOUNTS FOR TODAY WILL BE ALONG THE
WESTERN ALASKA RANGE WITH UP TO 2 INCHES IN UPSLOPE REGIONS. AREAS
OF PRECIPITATION OVER THE NORTH SLOPE OVER THE NEXT COUPLE DAYS...
BUT AMOUNTS WILL BE UNDER A QUARTER INCH.

FREEZING LEVELS THIS MORNING RANGED FROM 500 TO 3000 FEET FOR THE
NORTHERN HALF OF THE STATE. FOR THE SOUTHEAST MAINLAND AND
PANHANDLE... 4000 TO 7000 FEET. THE SOUTHWEST AND ALEUTIANS RANGED
FROM 6000 TO 10000 FEET.

FOR WEDNESDAY AND THURSDAY...NORTHERN ALASKA FREEZING LEVELS WILL
REMAIN IN THE 1000 TO 3000 FOOT RANGE. FOR THE GULF OF ALASKA
COAST... INCLUDING THE ALEUTIAN ISLANDS AND PANHANDLE... WILL SEE
LEVELS RISE UP TO A RANGE FROM 8000 TO 10000 FEET.

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

LOCATION NAME                 PE TS   24 HR
======== ====                 == ==   =====
TKLA2    TOKLAT RAWS          PP RG :  2.32
GSCA2    GOLDSTREAM CREEK     PP RZ :  2.09
EVCA2    EIELSON VISITORS     PP RG :  2.02
PAFA     FAIRBANKS AIRPORT    PP RZ :  1.98
PMNA2    GALENA RAWS          PC RG :  1.86
MHSA2    TANANA RIVER         PP RZ :  1.84
CPKA2    POKER CREEK RAWS     PC RG :  1.83
MCWA2    FLAT RAWS            PC RG :  1.79
AGLA2    ANGEL CREEK RAWS     PC RG :  1.79
CHLA2    LITTLE CHENA RIVER   PC RG :  1.74
WHSH1    WAIAHOLE STREAM      PC RG :  1.71
WONA2    WONDER LAKE RAWS     PC RG :  1.64
FNEA2    FAIRBANKS NE CRN     PP RG :  1.63
NESA2    NENANA SNOTEL        PC RM :  1.62
WICA2    WICKERSHAM DOME      PC RG :  1.54
KSHA2    KANTISHNA            PC RM :  1.50
FOFA2    FAIRBANKS FIELD      PC RM :  1.50
DCKA2    DAHL CREEK NR KOBUK  PC RG :  1.43
FRBA2    FORT WAINWRIGHT RAWS PC RG :  1.41
FAUA2    FAIRBANKS AP #2      PP RZ :  1.40
UCEA2    UPPER CHENA DOME     PP RG :  1.31
LCRA2    LITTLE CHENA RIDGE   PP RG :  1.28
CRHA2    CHENA RIVER          PC RG :  1.28
ENEA2    ESTER 5NE            PP RZ :  1.26
FCCA2    FISH CREEK           PC RG :  1.25
CHTA2    CHATANIKA RAWS       PC RG :  1.25
ECBA2    EAGLECREST BASE      PP RZ :  1.24
PAFM     AMBLER               PP RZ :  1.23
MSOA2    MUNSON RIDGE SNOTEL  PP RG :  1.21
AUKA2    AUKE BAY LARC        PP RZ :  1.21
UNCA2    UPPER NOME CREEK     PC RM :  1.20
FKMA2    FORT KNOX MINE       PP RZ :  1.20
COFA2    COLDFOOT SNOTEL      PC RM :  1.20
SHKA2    SHAKTOOLIK RIVER RAW PC RG :  1.18
LCRA2    LITTLE CHENA RIDGE   PC R2 :  1.14
COTA2    COTTONWOOD LAKE RAWS PC RG :  1.13
PATA     TANANA               PP RZ :  1.10
UCHA2    CHENA RIVER          PC RG :  1.08
MCDA2    CHENA RIVER          PC RG :  1.07
HDOA2    HOODOO HILLS RAWS    PC RG :  1.07
SHDQ2    SHEDIN RIVER         PC RG :  1.06
MANA2    MANCHU               PP RG :  1.03
MRGA2    MARGUERITE CREEK     PC RG :  1.02
GLSA2    GOLDSTREAM CREEK     PP RG :  1.00

...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 NORTH...EAST AND THE PANHANDLE.
INCREASED CHANCES OF BELOW NORMAL PRECIPITATION EXPECTED Y/K
PENINSULA AND ALEUTIAN ISLANDS.

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


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