377  
FNAK71 PAFC 101655  
FWSAER  
 
SPOT FORECAST FOR HILCORP PLATFORM A GAS LEAK...NOAA  
NATIONAL WEATHER SERVICE ANCHORAGE AK  
855 AM AKDT MON APR 10 2017  
 
FORECAST IS BASED ON INCIDENT TIME OF 0800 AKDT ON APRIL 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
A WEAK WEATHER SYSTEM WILL MOVE IN FROM THE EAST  
TODAY, POSSIBLY BRINGING A FEW SHOWERS OVER THE INLET. LOW  
PRESSURE OVER THE GULF OF ALASKA WILL KEEP WEAK NORTHERLY WINDS  
OVER THE INLET THROUGH WEDNESDAY. HIGH PRESSURE MOVES OVERHEAD ON  
WEDNESDAY, BRINGING SUNNY SKIES AND WARMER TEMPERATURES AT THE END  
OF THE WEEK.  
 
SEA ICE...PLEASE NOTE THAT THE SEA ICE CONDITIONS IN COOK INLET CHANGE  
SIGNIFICANTLY WITH THE TIDES.  
 
ALL SEA ICE VALUES BASED ON MOST RECENT SATELLITE IMAGERY (747PM ON 4/9)  
FOR LOCATION 60.7764N 151.434W.  
 
ICE CONCENTRATION: THERE IS A BELT OF ICE THAT IS 5 TO 7 TENTHS  
ICE COVERAGE THROUGH THIS LOCATION. THERE IS AN AREA OF 1 TO 3  
TENTHS ICE COVERAGE TO THE EAST OF THIS LOCATION. ICE FORM: OPEN  
ICE PACK WITH VERY OPEN ICE PACK TO THE EAST OF THIS LOCATION. ICE  
IS IN THE FORM OF ICE CAKE AND BRASH ICE. ICE STAGE: FIRST YEAR  
ICE (>30CM THICK) AND YOUNG ICE (10-30CM THICK).  
 
   
TODAY
 
 
SKY/WEATHER.........CLEAR BECOMING MOSTLY CLOUDY (80-90 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 40.  
SURFACE WINDS.......NORTHEAST WINDS 6 TO 10 MPH.  
WAVE HEIGHT.........LESS THAN 1 FOOT.  
SEA SURFACE TEMP....36 DEGREES F.  
TIDES...............LOW TIDE -0.53FT AT 2:37 PM  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 32.  
SURFACE WINDS.......NORTH WINDS AROUND 5 MPH IN THE EVENING  
BECOMING LIGHT.  
WAVE HEIGHT.........LESS THAN 1 FOOT.  
SEA SURFACE TEMP....36 DEGREES F.  
TIDES...............HIGH TIDE 30.22FT AT 8:04 PM, LOW TIDE 1.15FT AT 2:50 AM  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 43.  
SURFACE WINDS.......LIGHT WINDS.  
WAVE HEIGHT.........LESS THAN 1 FOOT.  
SEA SURFACE TEMP....36 DEGREES F.  
TIDES...............HIGH TIDE 30.63FT AT 8:18 AM, LOW TIDE -0.5 FT AT 3:12 PM, HIGH TIDE 30.54FT AT 8:41 PM  
 

 
FORECASTER...FODE  
REQUESTED BY...NOAA SSC, CATHERINE BERG  
TYPE OF REQUEST...MARINE  
.TAG 1706362.0/AER  
.EMAIL CATHERINE.BERG@NOAA.GOV  
 
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