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Hurricane GUILLERMO


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HURRICANE GUILLERMO SPECIAL FORECAST/ADVISORY NUMBER  12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP102009
0530 UTC SAT AUG 15 2009
 
HURRICANE CENTER LOCATED NEAR 18.4N 130.8W AT 15/0530Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT  14 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  960 MB
EYE DIAMETER  20 NM
MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT.
64 KT....... 25NE  25SE  25SW  25NW.
50 KT....... 50NE  40SE  40SW  50NW.
34 KT.......100NE  80SE  80SW 105NW.
12 FT SEAS..180NE  90SE 120SW 120NW.
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 130.8W AT 15/0530Z
AT 15/0000Z CENTER WAS LOCATED NEAR 18.2N 129.7W
 
FORECAST VALID 15/1200Z 18.7N 132.3W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 25NE  25SE  25SW  25NW.
50 KT... 50NE  40SE  40SW  50NW.
34 KT...100NE  80SE  80SW 105NW.
 
FORECAST VALID 16/0000Z 19.3N 135.0W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 25NE  25SE  25SW  25NW.
50 KT... 50NE  40SE  40SW  50NW.
34 KT...100NE  80SE  80SW 105NW.
 
FORECAST VALID 16/1200Z 19.9N 137.6W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 20NE  20SE  20SW  20NW.
50 KT... 40NE  30SE  30SW  40NW.
34 KT... 90NE  70SE  70SW  90NW.
 
FORECAST VALID 17/0000Z 20.5N 140.2W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 30NE  20SE  15SW  30NW.
34 KT... 80NE  60SE  50SW  80NW.
 
FORECAST VALID 18/0000Z 22.2N 145.3W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 60NE  40SE  40SW  60NW.
 
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 19/0000Z 24.0N 150.5W
MAX WIND  30 KT...GUSTS  40 KT.
 
OUTLOOK VALID 20/0000Z 26.0N 156.0W...REMNANT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.4N 130.8W
 
NEXT ADVISORY AT 15/0900Z
 
$$
FORECASTER BRENNAN
 
 
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