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 505 
 WTPA23 PHFO 310839
 TCMCP3
  
 HURRICANE MIRIAM FORECAST/ADVISORY NUMBER  21
 NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP152018
 0900 UTC FRI AUG 31 2018
  
 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
  
 HURRICANE CENTER LOCATED NEAR 17.4N 141.5W AT 31/0900Z
 POSITION ACCURATE WITHIN  20 NM
  
 PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT   8 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE  978 MB
 MAX SUSTAINED WINDS  80 KT WITH GUSTS TO 100 KT.
 64 KT....... 20NE  20SE   0SW  10NW.
 50 KT....... 50NE  40SE  20SW  40NW.
 34 KT....... 80NE  70SE  50SW  70NW.
 12 FT SEAS..150NE 150SE 130SW 145NW.
 WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
 MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
  
 REPEAT...CENTER LOCATED NEAR 17.4N 141.5W AT 31/0900Z
 AT 31/0600Z CENTER WAS LOCATED NEAR 16.9N 141.5W
  
 FORECAST VALID 31/1800Z 18.7N 141.3W
 MAX WIND  75 KT...GUSTS  90 KT.
 64 KT... 20NE  20SE   0SW  10NW.
 50 KT... 45NE  35SE  20SW  35NW.
 34 KT... 85NE  70SE  45SW  70NW.
  
 FORECAST VALID 01/0600Z 20.5N 141.5W
 MAX WIND  65 KT...GUSTS  80 KT.
 64 KT... 10NE   0SE   0SW  10NW.
 50 KT... 30NE  25SE  10SW  25NW.
 34 KT... 85NE  60SE  35SW  65NW.
  
 FORECAST VALID 01/1800Z 22.3N 142.3W
 MAX WIND  50 KT...GUSTS  60 KT.
 50 KT... 20NE   0SE   0SW  10NW.
 34 KT... 75NE  50SE  20SW  50NW.
  
 FORECAST VALID 02/0600Z 24.2N 143.6W
 MAX WIND  35 KT...GUSTS  45 KT.
 34 KT... 60NE  40SE  10SW  30NW.
  
 FORECAST VALID 03/0600Z 27.7N 147.3W...POST-TROP/REMNT LOW
 MAX WIND  30 KT...GUSTS  40 KT.
  
 EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
 ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
  
 OUTLOOK VALID 04/0600Z 31.0N 152.0W...POST-TROP/REMNT LOW
 MAX WIND  25 KT...GUSTS  35 KT.
  
 OUTLOOK VALID 05/0600Z...DISSIPATED
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.4N 141.5W
  
 NEXT ADVISORY AT 31/1500Z
  
 $$
 FORECASTER JELSEMA
  
  
 
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