000
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