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HURRICANE JOHN FORECAST/ADVISORY NUMBER 12
NWS NATIONAL HURRICANE CENTER MIAMI FL EP122018
1500 UTC WED AUG 08 2018
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
INTERESTS IN THE SOUTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA
SHOULD MONITOR THE PROGRESS OF JOHN DUE TO LOCALLY HEAVY RAINFALL.
HURRICANE CENTER LOCATED NEAR 20.7N 112.3W AT 08/1500Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT 10 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 979 MB
MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT.
64 KT....... 25NE 25SE 20SW 20NW.
50 KT....... 50NE 50SE 30SW 40NW.
34 KT.......100NE 100SE 60SW 90NW.
12 FT SEAS..270NE 240SE 150SW 180NW.
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 20.7N 112.3W AT 08/1500Z
AT 08/1200Z CENTER WAS LOCATED NEAR 20.3N 111.9W
FORECAST VALID 09/0000Z 22.0N 113.7W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 25NE 25SE 20SW 20NW.
50 KT... 50NE 50SE 30SW 40NW.
34 KT...100NE 100SE 60SW 90NW.
FORECAST VALID 09/1200Z 23.5N 115.9W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 40SE 20SW 30NW.
34 KT...100NE 100SE 60SW 90NW.
FORECAST VALID 10/0000Z 24.9N 118.1W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 30SE 20SW 30NW.
34 KT... 90NE 90SE 50SW 80NW.
FORECAST VALID 10/1200Z 25.9N 120.2W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 80NE 80SE 40SW 70NW.
FORECAST VALID 11/1200Z 26.9N 123.9W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM
ON DAY 4 AND 150 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 12/1200Z 27.0N 126.0W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
OUTLOOK VALID 13/1200Z 27.5N 126.8W...POST-TROP/REMNT LOW
MAX WIND 15 KT...GUSTS 20 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.7N 112.3W
NEXT ADVISORY AT 08/2100Z
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FORECASTER BROWN
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