AKZ203 - Central Beaufort Sea Coast

WGAK89PAFG_AKZ203
-----------------
AKZ203-252345-
/O.EXT.PAFG.FA.Y.0008.000000T0000Z-150525T2345Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CENTRAL BEAUFORT SEA COAST-
235 PM AKDT SAT MAY 23 2015

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS EXTENDED THE

* FLOOD ADVISORY FOR...
  FOR THE KUPARUK RIVER...

* UNTIL 345 PM AKDT MONDAY

* SNOWMELT AND OVERFLOW OF INPLACE CHANNEL ICE IS CAUSING HIGH WATER 
  LEVELS ON THE LOWER KUPARUK RIVER. THE USGS RIVER GAGE APPEARS TO 
  HAVE CRESTED EARLIER TODAY. 

* WATER LEVELS WILL REMAIN HIGH AND POSSIBLY FLUCTUATE AS SNOWMELT 
  CONTINUES AND ICE REMAINS IN THE RIVER CHANNEL. AS OF SATURDAY 
  MORNING THE LOW WATER CROSSING ALONG THE SPINE ROAD CONTINUES TO 
  BE OVERTOPPED.

* A PILOT REPORT FROM FRIDAY INDICATED THAT WATER LEVELS UPRIVER 
  FROM THE SPINE ROAD HAVE RECEDED FROM THURSDAY.  

LAT...LON 7038 14887 7029 14893 7030 14906 7039 14902

$$
WGAK89PAFG_AKZ203.46219
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AKZ203-252230-
/O.EXT.PAFG.FA.Y.0007.000000T0000Z-150525T2230Z/
/00000.N.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CENTRAL BEAUFORT SEA COAST-
220 PM AKDT SAT MAY 23 2015

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS EXTENDED THE

* FLOOD ADVISORY FOR...
  MELTING SNOW FOR THE COLVILLE RIVER...

* UNTIL 230 PM AKDT MONDAY

* SNOWMELT AND OVERFLOW OF INPLACE CHANNEL ICE IS CAUSING HIGH WATER 
  LEVELS ON THE LOWER KUPARUK RIVER. THE USGS RIVER GAGE APPEARS TO 
  HAVE CRESTED EARLIER TODAY. WATER LEVELS WILL REMAIN HIGH AND 
  POSSIBLY FLUCTUATE AS SNOWMELT CONTINUES AND ICE REMAINS IN THE 
  RIVER CHANNEL. AS OF SATURDAY MORNING THE LOW WATER CROSSING ALONG 
  THE SPINE ROAD CONTINUES TO BE OVERTOPPED.

* A PILOT REPORT FROM YESTERDAY INDICATED THAT WATER LEVELS UPRIVER 
  FROM THE SPINE ROAD HAVE RECEDED FROM THURSDAY. 

LAT...LON 7041 15032 7033 15067 7019 15082 7013 15097
      7014 15106 7035 15074 7044 15035

$$
WGAK69PAFG_AKZ203
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AKZ203-250100-
/O.EXT.PAFG.FA.A.0002.000000T0000Z-150526T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CENTRAL BEAUFORT SEA COAST-
INCLUDING...NUIQSUT...PRUDHOE BAY...ALPINE...DEADHORSE...KUPARUK
159 PM AKDT SAT MAY 23 2015

...FLOOD WATCH NOW IN EFFECT THROUGH MONDAY AFTERNOON FOR ALL
RIVERS DRAINING OUT OF THE COASTAL PLAIN...

THE FLOOD WATCH IS NOW IN EFFECT FOR

* ALL RIVERS DRAINING OUT OF THE COASTAL PLAIN

* THROUGH MONDAY AFTERNOON

* THE HIGHEST THREAT AREAS WILL BE THE COLVILLE RIVER...SAG 
  RIVER AND KUPARUK RIVER. A FLOOD WARNING IS CURRENTLY IN 
  EFFECT FOR THE NORTHERN DALTON HIGHWAY NEAR THE SAG RIVER. A 
  FLOOD ADVISORY IS IN EFFECT FOR THE LOWER COLVILLE RIVER AND 
  THE LOWER KUPARUK RIVER. 

* VERY WARM TEMPERATURES OVER THE BROOKS RANGE AND THE EASTERN
  ARCTIC PLAIN IS CAUSING RAPID SNOW MELT. FURTHER SNOW MELT WILL
  RESULT IN COLVILLE...SAG AND KUPARUK RIVER LEVELS REMAINING HIGH
  AND POSSIBLY RISING FURTHER FOR SEVERAL DAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

KEEP UPDATED ON THE LATEST FORECASTS AND BE ALERT FOR THE
ISSUANCE OF FLOOD WARNINGS AND ADVISORIES. THOSE LIVING IN AREAS
PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD
FLOODING DEVELOP.

&&

$$
WGAK89PAFG_AKZ203.26642
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AKZ203-250015-
/O.CON.PAFG.FA.W.0004.000000T0000Z-150525T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CENTRAL BEAUFORT SEA COAST-

1226 PM AKDT SAT MAY 23 2015

...A FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM AKDT SUNDAY FOR 
THE DALTON HIGHWAY FROM MILEPOST 394 TO DEADHORSE...

THE NORTHERN PORTION OF THE DALTON HIGHWAY CONTINUES TO EXPERIENCE 
FLOODING DUE TO SNOWMELT AND ICE IN THE MAIN CHANNEL. 

A PORTION OF THE FLOW FROM THE SAG RIVER CONTINUES TO OVER TOP THE 
DALTON HIGHWAY NEAR MILEPOST 394 AND FLOWS NORTHWARD ALONG THE WEST 
SIDE OF THE HIGHWAY TOWARDS THE DEADHORSE AIRPORT. WATER IS FLOWING 
EAST BACK INTO THE MAIN CHANNEL THROUGH BREACHES IN THE DALTON 
HIGHWAY JUST SOUTH OF THE AIRPORT. 

OBSERVER REPORTS FROM FRIDAY AND RIVER GAGE DATA INDICATE THAT WATER 
LEVELS ON THE LOWER SAG RIVER HAVE SLOWLY FALLEN SINCE WEDNESDAY. 
EXPOSED SAND BARS AND STRANDED ICE WERE OBSERVED ALONG THE LOWER 
REACH OF THE RIVER YESTERDAY.  AREAS OF GROUNDED ICE STILL REMAIN IN 
THE MAIN CHANNEL NORTH OF DALTON HIGHWAY MILEPOST 394.

FLOODING WILL CONTINUE OVER THE NEXT SEVERAL DAYS WITH WATER LEVELS 
EXPECTED TO FALL SLOWLY AS SNOWMELT TAPERS AND ICE WITHIN THE MAIN 
CHANNEL MELTS.

FOR THE LATEST ROAD CONDITIONS PLEASE CHECK THE ALASKA DEPARTMENT  
OF TRANSPORTATION WEBSITE: DOT.ALASKA.GOV/NREG/DALTON-UPDATES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.

&&

LAT...LON 7017 14821 6985 14864 6989 14890 7021 14850

$$
FPAK51PAFG_AKZ203
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AKZ203-241300-
CENTRAL BEAUFORT SEA COAST-
INCLUDING...NUIQSUT...PRUDHOE BAY...ALPINE...DEADHORSE...KUPARUK
252 PM AKDT SAT MAY 23 2015

...FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM AKDT SUNDAY FOR
THE DALTON HIGHWAY FROM MILEPOST 394 TO DEADHORSE...

...FLOOD ADVISORY NOW IN EFFECT UNTIL 345 PM AKDT MON FOR THE
KUPARUK RIVER...

...THE FLOOD ADVISORY FOR MELTING SNOW REMAINS IN EFFECT UNTIL 230
PM AKDT MONDAY FOR THE COLVILLE RIVER NEAR COLVILLE VILLAGE...

...FLOOD WATCH NOW IN EFFECT THROUGH MONDAY AFTERNOON...
.TONIGHT...MOSTLY CLOUDY. AREAS OF FOG. LOWS IN THE LOWER 30S.
EAST WINDS 20 TO 35 MPH. 
.SUNDAY...MOSTLY SUNNY. AREAS OF FOG. HIGHS IN THE LOWER 40S TO
LOWER 50S. EAST WINDS 15 TO 30 MPH. 
.SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. AREAS OF FOG. LOWS IN THE LOWER 30S. EAST WINDS 15 TO
30 MPH. 
.MEMORIAL DAY...MOSTLY CLOUDY. AREAS OF FOG. HIGHS IN THE LOWER
TO MID 40S. EAST WINDS 10 TO 20 MPH BECOMING SOUTH TO 10 MPH IN
THE AFTERNOON. 
.MONDAY NIGHT...MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTH WINDS
5 TO 15 MPH. 
.TUESDAY...MOSTLY CLOUDY. HIGHS IN THE MID 40S. 
.TUESDAY NIGHT THROUGH THURSDAY...MOSTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE MID 40S TO LOWER 50S. 
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY. LOWS AROUND 30. HIGHS
IN THE MID 40S. 
.FRIDAY NIGHT AND SATURDAY...PARTLY CLOUDY. LOWS AROUND 30. HIGHS
IN THE MID 40S. 

&&
               TEMPERATURE      /    PRECIPITATION
DEADHORSE    32   41   31   41  /   0    0    0    0 

$$