YUKON-KOYUKUK County, Alaska
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: YUKON-KOYUKUK County, Alaska
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Flood Advisory
AKZ222-012200-
/O.EXT.PAFG.FA.Y.0019.000000T0000Z-150901T2200Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLE TANANA VALLEY-
121 PM AKDT SUN AUG 30 2015

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS EXTENDED THE

* FLOOD ADVISORY FOR...
THE CHENA RIVER UPSTREAM OF THE MOOSE CREEK DAM...

* UNTIL 200 PM AKDT TUESDAY

* OVER TWO INCHES OF RAIN FELL ACROSS PORTIONS OF THE CHENA RIVER
BASIN BETWEEN LAST TUESDAY AND THURSDAY. THE RAINFALL CAUSED THE
UPPER CHENA RIVER TO RISE ABOVE FLOOD STAGE LATE LAST WEEK. THIS
CREST OF HIGH WATER WILL MOVE DOWN RIVER THROUGH THE NEXT SEVERAL
DAYS.

AS OF SUNDAY AFTERNOON THE CREST OF HIGH WATER ON THE CHENA RIVER
IS STILL MOVING PAST THE MOOSE CREEK DAM. THE US ARMY CORPS OF
ENGINEERS ALASKA DISTRICT BEGAN OPERATING THE THE MOOSE CREEK DAM
AT 7:45AM SATURDAY. THE MOOSE CREEK DAM WILL BE REGULATING THE
CHENA RIVER SO FLOWS DO NOT EXCEED 12 THOUSAND CUBIC FEET PER
SECOND IN DOWNTOWN FAIRBANKS. DOWNSTREAM FLOOD EFFECTS ON THE
CHENA RIVER ALSO DEPEND ON FLOW CONDITIONS IN THE TANANA
RIVER...LITTLE CHENA RIVER...AND LOCAL DRAINAGES.

* EXPECTED IMPACTS...WATER FROM THE CHENA RIVER WILL FLOW OVER SOME
OF THE LOWEST LYING BANKS NEAR THE MOOSE CREEK DAM AND IN THE
STEAMBOAT LANDING SUBDIVISION. THESE CONDITIONS ARE EXPECTED TO
CONTINUE THROUGH TUESDAY. IN ADDITION...RIVER NAVIGATION THROUGH
THE MOOSE CREEK DAM IS UNAVAILABLE DURING OPERATIONS.

FARTHER DOWNSTREAM...THE CHENA RIVER IN FAIRBANKS IS AT A LEVEL OF
8.9 FEET. THIS IS CAUSING MINOR NUISANCE FLOODING IN FAIRBANKS.
THE BIKE PATH ALONG THE CHENA RIVER AT THE CUSHMAN AND BARNETTE
STREET BRIDGES HAS SEVERAL FEET OF WATER OVER IT. THE BIKE PATH
UNDER THE PEGER ROAD BRIDGE IS FLOODED WITH SEVERAL FEET OF WATER
AS WELL.

ADDITIONALLY THE WATER LEVEL IS ONLY 3 FEET BELOW THE BARNETTE
STREET BRIDGE AND 6 FEET BELOW THE PEGER ROAD BRIDGE. THIS WILL
MAKE THESE BRIDGES IMPASSABLE FOR MANY RIVER BOATS. THE WATER
LEVEL THROUGH FAIRBANKS WILL REMAIN FAIRLY CONSTANT THROUGH
TUESDAY WHILE THE MOOSE CREEK DAM IS IN OPERATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RECREATIONAL USERS SHOULD BE PREPARED FOR HIGH WATER WHICH MAY CAUSE
LEVELS TO RISE OUT OF BANK IN PLACES. WATCH FOR AN INCREASE IN LOGS
AND OTHER DEBRIS IN THE RIVER. ADDITIONALLY...AN INCREASE IN THE
LEVEL OF GROUNDWATER TABLE IS EXPECTED.

A FLOOD ADVISORY MEANS RIVER OR STREAM FLOWS ARE ELEVATED...OR
PONDING OF WATER IS OCCURRING OR IS IMMINENT. DO NOT ATTEMPT TO
TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A
FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 6521 14601 6489 14601 6478 14717 6488 14723
6508 14699 6520 14612

$$

Special Weather Statement
AKZ222-311400-
MIDDLE TANANA VALLEY-
INCLUDING...FAIRBANKS...FORT WAINWRIGHT...EIELSON AFB...ESTER...
NORTH POLE...MOOSE CREEK...TWO RIVERS...FOX...CHATANIKA...
CHENA HOT SPRINGS...SOURDOUGH CAMP
629 AM AKDT SUN AUG 30 2015

...FROST POSSIBLE IN THE FAIRBANKS AREA THE NEXT FEW NIGHTS...

THE AIRMASS OVER THE TANANA VALLEY WILL REMAIN COLD ENOUGH TO
SUPPORT WIDESPREAD FROST IN THE FAIRBANKS AREA THROUGH TUESDAY
NIGHT. CLOUD COVER...WIND..AND SHOWERS HAVE PREVENTED THE
TEMPERATURE FROM FALLING BELOW FREEZING IN MOST LOCATIONS THE PAST
SEVERAL DAYS. THE CLOUDS AND SHOWER ACTIVITY ARE FORECAST TO
GRADUALLY DIMINISH OVER THE NEXT FEW DAYS. BREAKS IN THE CLOUDS
TONIGHT AND MONDAY WILL LIKELY ALLOW TEMPERATURES TO FALL TO NEAR
FREEZING...AND IT IS POSSIBLE FOR SOME VALLEY LOCATIONS TO EXPERIENCE
A HARD FROST IF TEMPERATURES DROP INTO THE UPPER 20S. FROST IS
LIKELY ON TUESDAY NIGHT AS WELL...BEFORE MUCH WARMER AIR MOVES
INTO THE TANANA VALLEY ON WEDNESDAY.

$$

Special Weather Statement
AKZ152-312015-
LOWER KUSKOKWIM VALLEY-
1129 AM AKDT SUN AUG 30 2015

HEAVY RAINFALL THAT OCCURRED ALONG THE NORTHERN AND WESTERN
SLOPES OF THE ALASKA RANGE LAST WEEK HAS PRODUCED A SURGE OF WATER
THAT IS PROGRESSING DOWN THE KUSKOKWIM RIVER. IT APPEARS THAT THE
RIVER CRESTED AT MCGRATH SATURDAY AFTERNOON AND NOW THE WAVE OF
HIGH WATER IS MOVING PAST LISKYS CROSSING...JUST UPSTREAM OF THE
VILLAGE OF STONY RIVER.

THIS SURGE OF WATER IS PROGRESSING DOWNSTREAM AND WILL RESULT IN
RISING WATER ON THE KUSKOKWIM RIVER UPSTREAM OF ANIAK EARLY THIS
WEEK. AT THIS TIME THE WATER IS NOT EXPECTED TO REACH FLOOD STAGE
AT ANY LOCATION. HOWEVER...THOSE WITH INTERESTS ALONG THE
KUSKOKWIM RIVER SHOULD PREPARE FOR A 1 TO 3 FOOT RISE IN WATER
LEVELS OVER THE NEXT FEW DAYS AND MOVE PERSONAL BELONGINGS AWAY
FROM THE WATERS EDGE.

THIS STATEMENT WILL BE UPDATED AS CONDITIONS WARRANT.

FOR THE LATEST OBSERVATIONS AND RIVER FORECASTS VISIT US AT
HTTP://APRFC.ARH.NOAA.GOV

$$

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