000
WTPZ24 KNHC 112031
TCMEP4
TROPICAL STORM HERNAN FORECAST/ADVISORY NUMBER  21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP092008
2100 UTC MON AUG 11 2008
 
TROPICAL STORM CENTER LOCATED NEAR 19.0N 131.2W AT 11/2100Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  988 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 25NE  20SE  20SW  25NW.
34 KT....... 90NE  90SE  75SW  75NW.
12 FT SEAS..200NE 140SE  70SW 110NW.
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 19.0N 131.2W AT 11/2100Z
AT 11/1800Z CENTER WAS LOCATED NEAR 19.0N 130.7W
 
FORECAST VALID 12/0600Z 18.9N 132.3W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 25NE  20SE  20SW  25NW.
34 KT... 75NE  75SE  75SW  75NW.
 
FORECAST VALID 12/1800Z 18.5N 133.9W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  60SE  60SW  60NW.
 
FORECAST VALID 13/0600Z 18.0N 135.4W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 40NE  40SE  40SW  40NW.
 
FORECAST VALID 13/1800Z 17.6N 137.2W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 40NE  30SE  30SW  40NW.
 
FORECAST VALID 14/1800Z 16.5N 140.5W
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 15/1800Z 16.0N 144.5W...REMNANT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
OUTLOOK VALID 16/1800Z 16.0N 148.5W...REMNANT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.0N 131.2W
 
NEXT ADVISORY AT 12/0300Z
 
$$
FORECASTER STEWART/PASCH