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HURRICANE HERNAN FORECAST/ADVISORY NUMBER 21
NATIONAL WEATHER SERVICE MIAMI FL EP1002
0900Z WED SEP 04 2002
HURRICANE CENTER LOCATED NEAR 20.5N 122.0W AT 04/0900Z
POSITION ACCURATE WITHIN 15 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 9 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 987 MB
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
64 KT....... 35NE 35SE 35SW 35NW.
50 KT....... 70NE 70SE 50SW 70NW.
34 KT.......150NE 150SE 100SW 150NW.
12 FT SEAS..420NE 300SE 300SW 300NW.
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 20.5N 122.0W AT 04/0900Z
AT 04/0600Z CENTER WAS LOCATED NEAR 20.2N 121.6W
FORECAST VALID 04/1800Z 21.3N 123.1W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 50NE 50SE 50SW 50NW.
34 KT...120NE 120SE 90SW 120NW.
FORECAST VALID 05/0600Z 22.3N 124.0W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 30SE 30SW 30NW.
34 KT...100NE 100SE 70SW 100NW.
FORECAST VALID 05/1800Z 23.3N 124.6W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...100NE 100SE 70SW 100NW.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.5N 122.0W
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
OUTLOOK VALID 06/0600Z 24.7N 124.6W
MAX WIND 30 KT...GUSTS 40 KT.
OUTLOOK VALID 07/0600Z 26.5N 124.4W...DISSIPATING
MAX WIND 25 KT...GUSTS 35 KT.
NEXT ADVISORY AT 04/1500Z
FORECASTER STEWART/AGUIRRE
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