689
AGAK78 PACR 292357
HMDACR
HYDROMETEOROLOGICAL DISCUSSION.
NWS ALASKA PACIFIC RIVER FORECAST CENTER ANCHORAGE AK
3PM AKDT FRI JUN 29 2019
EFFECTIVE JULY 1, 2019, THE NWS ALASKA-PACIFIC RIVER FORECAST CENTER
WILL NO LONGER ISSUE A TEXT HYDROMETEOROLOGICAL DISCUSSION PRODUCT.
ENHANCED HYDROMETEOROLOGICAL PRODUCTS PROVIDING MORE DETAILED
INFORMATION CAN BE FOUND IN THE APRFC GRAPHICAL HID PAGE:
TAPS://WWW.WEATHER.GOV/APRFC/GRAPHICALHMD
..FLOOD POTENTIAL
THE FLOOD POTENTIAL WILL INCREASE THROUGH THE WEEKEND FOR RIVERS AND
STREAMS IN SOUTHCENTRAL AND SOUTHEAST ALASKA DUE TO SNOW AND GLACIER
MELT FROM RECORD WARM TEMPERATURES. THE YENTNA RIVER IS CURRENTLY
AT MINOR FLOOD STAGE AND IS EXPECTED TO REMAIN AT CURRENT LEVELS
THROUGH THE EARLY PART OF THE WEEK. OTHER RIVERS WITH EXPECTED HIGH
WATER LEVELS INCLUDE THE SKWENTNA, MATANUSKA, EAGLE, KLUTINA, KENAI,
TAIYA, AND SIX MILE RIVERS.
..HYDROMETEOROLOGICAL DISCUSSION
A LARGE BLOCKING HIGH CURRENTLY OVER THE SOUTHERN HALF OF THE STATE
IS LEADING TO RECORD HIGH TEMPS AND FREEZING LEVELS ABOVE 13000 FT.
A SHORTWAVE TROUGH MOVING WEST ACROSS THE NORTHERN HALF OF THE STATE
WILL BRING A QUICK DIP IN TEMPS AND SOME WIDESPREAD PRECIP NORTH OF
THE AK RANGE. PRECIP TOTALS COULD REACH 1 - 1.5 INCHES IN DENALI NP
AND UP TO 0.5 - 0.75 EAST TOWARDS FORTYMILE COUNTRY BY MONDAY
MORNING. HIGH PRESSURE WILL BUILD IN OVER THE STATE BY WEDNESDAY
BRINGING A RETURN TO NEAR RECORD HIGH TEMPS BY THE END OF THE WEEK.
..24 HOUR PRECIPITATION TOTALS
ARGA2 ATIGUN RIVER BELOW G PP RG : 0.53
SHDQ2 SHEDIN RIVER SNOW PI PP RG : 0.28
TNLH1 TUNNEL RG PP RG : 0.21
PAGH SHUNGNAK AIRPORT PP RZ : 0.21
PASY SHEMYA AFB PP RZ : 0.17
PAGM GAMBELL PP RZ : 0.14
MDEA2 MEADE RIVER NEAR ATQ PP RG : 0.14
SGRA2 SAGAVANIRKTOK RIVER PP RG : 0.13
TSAQ2 TSAI CREEK NEAR SMIT PP RG : 0.12
PPLQ2 PULPIT LAKE NEAR ISK PP RG : 0.11
IGKA2 INIGOK AIRFIELD RAWS PP RG : 0.11
..LONG RANGE
THE 6 TO 10 DAY TEMPERATURE OUTLOOK HAS INCREASED PROBABILITIES FOR
ABOVE NORMAL TEMPERATURES FOR THE WHOLE STATE.
THE 6 TO 10 DAY PRECIPITATION OUTLOOK HAS INCREASED PROBABILITIES OF
BELOW NORMAL PRECIPITATION OVER MOST OF THE STATE.
PLEASE REFER TO THE CLIMATE PREDICTION CENTER HOME PAGE FOR FURTHER
INFORMATION.
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