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HURRICANE MIRIAM FORECAST/ADVISORY NUMBER 21
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP152018
0900 UTC FRI AUG 31 2018
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
HURRICANE CENTER LOCATED NEAR 17.4N 141.5W AT 31/0900Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 8 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 978 MB
MAX SUSTAINED WINDS 80 KT WITH GUSTS TO 100 KT.
64 KT....... 20NE 20SE 0SW 10NW.
50 KT....... 50NE 40SE 20SW 40NW.
34 KT....... 80NE 70SE 50SW 70NW.
12 FT SEAS..150NE 150SE 130SW 145NW.
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 17.4N 141.5W AT 31/0900Z
AT 31/0600Z CENTER WAS LOCATED NEAR 16.9N 141.5W
FORECAST VALID 31/1800Z 18.7N 141.3W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 20NE 20SE 0SW 10NW.
50 KT... 45NE 35SE 20SW 35NW.
34 KT... 85NE 70SE 45SW 70NW.
FORECAST VALID 01/0600Z 20.5N 141.5W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 10NE 0SE 0SW 10NW.
50 KT... 30NE 25SE 10SW 25NW.
34 KT... 85NE 60SE 35SW 65NW.
FORECAST VALID 01/1800Z 22.3N 142.3W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 0SE 0SW 10NW.
34 KT... 75NE 50SE 20SW 50NW.
FORECAST VALID 02/0600Z 24.2N 143.6W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 60NE 40SE 10SW 30NW.
FORECAST VALID 03/0600Z 27.7N 147.3W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 04/0600Z 31.0N 152.0W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
OUTLOOK VALID 05/0600Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.4N 141.5W
NEXT ADVISORY AT 31/1500Z
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FORECASTER JELSEMA
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