Marine/Aviation Tropical Cyclone Advisory
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WTPA21 PHFO 211446
TCMCP1

TROPICAL STORM FERNANDA FORECAST/ADVISORY NUMBER  39
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP062017
1500 UTC FRI JUL 21 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL STORM CENTER LOCATED NEAR 18.6N 143.6W AT 21/1500Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT  10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT....... 70NE  30SE  20SW  70NW.
12 FT SEAS..140NE  30SE  80SW 140NW.
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 18.6N 143.6W AT 21/1500Z
AT 21/1200Z CENTER WAS LOCATED NEAR 18.5N 143.2W

FORECAST VALID 22/0000Z 19.0N 145.0W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE   0SE   0SW  50NW.

FORECAST VALID 22/1200Z 19.5N 146.7W
MAX WIND  30 KT...GUSTS  40 KT.

FORECAST VALID 23/0000Z 20.1N 148.6W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.

FORECAST VALID 23/1200Z 20.7N 150.7W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.

FORECAST VALID 24/1200Z 22.1N 155.9W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 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 25/1200Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.6N 143.6W

NEXT ADVISORY AT 21/2100Z

$$
FORECASTER JELSEMA





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