353 
 WTPZ24 KNHC 110230
 TCMEP4
 HURRICANE HERNAN FORECAST/ADVISORY NUMBER  18
 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP092008
 0300 UTC MON AUG 11 2008
  
 HURRICANE CENTER LOCATED NEAR 18.4N 128.4W AT 11/0300Z
 POSITION ACCURATE WITHIN  20 NM
  
 PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT   9 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE  980 MB
 MAX SUSTAINED WINDS  75 KT WITH GUSTS TO  90 KT.
 64 KT....... 30NE  30SE  30SW  30NW.
 50 KT....... 50NE  50SE  50SW  50NW.
 34 KT....... 90NE 100SE 100SW  90NW.
 12 FT SEAS..240NE 180SE  90SW 150NW.
 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 18.4N 128.4W AT 11/0300Z
 AT 11/0000Z CENTER WAS LOCATED NEAR 18.3N 128.0W
  
 FORECAST VALID 11/1200Z 18.6N 129.7W
 MAX WIND  65 KT...GUSTS  80 KT.
 64 KT... 30NE  30SE  30SW  30NW.
 50 KT... 50NE  50SE  50SW  50NW.
 34 KT... 90NE  90SE  90SW  90NW.
  
 FORECAST VALID 12/0000Z 18.5N 131.1W
 MAX WIND  55 KT...GUSTS  65 KT.
 50 KT... 40NE  40SE  40SW  40NW.
 34 KT... 75NE  75SE  75SW  75NW.
  
 FORECAST VALID 12/1200Z 18.2N 132.5W
 MAX WIND  45 KT...GUSTS  55 KT.
 34 KT... 60NE  60SE  60SW  60NW.
  
 FORECAST VALID 13/0000Z 17.7N 133.8W
 MAX WIND  40 KT...GUSTS  50 KT.
 34 KT... 60NE  45SE  45SW  60NW.
  
 FORECAST VALID 14/0000Z 16.5N 136.5W
 MAX WIND  30 KT...GUSTS  40 KT.
  
 EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 200 NM
 ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
  
 OUTLOOK VALID 15/0000Z 16.0N 139.5W...DISSIPATING
 MAX WIND  25 KT...GUSTS  35 KT.
  
 OUTLOOK VALID 16/0000Z 15.5N 143.5W...REMNANT LOW
 MAX WIND  20 KT...GUSTS  25 KT.
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.4N 128.4W
  
 NEXT ADVISORY AT 11/0900Z
  
 $$
 FORECASTER BLAKE