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TROPICAL STORM OLIVIA FORECAST/ADVISORY NUMBER  42
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP172018
0300 UTC TUE SEP 11 2018
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
A TROPICAL STORM WARNING HAS BEEN ISSUED FOR OAHU.
 
A TROPICAL STORM WATCH HAS BEEN ISSUED FOR KAUAI AND NIIHAU.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT... 
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* OAHU
* MAUI COUNTY...INCLUDING THE ISLANDS OF MAUI...MOLOKAI... 
LANAI... AND KAHOOLAWE
* HAWAII COUNTY
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* KAUAI COUNTY...INCLUDING THE ISLANDS OF KAUAI AND NIIHAU.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE IN THE WARNING AREA WITHIN 36 HOURS.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE IN THE WATCH AREA WITHIN 48 HOURS.
 
TROPICAL STORM CENTER LOCATED NEAR 21.9N 149.7W AT 11/0300Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  991 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 40NE  15SE  15SW  40NW.
34 KT....... 80NE  50SE  40SW  80NW.
12 FT SEAS..210NE 100SE 120SW 210NW.
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 21.9N 149.7W AT 11/0300Z
AT 11/0000Z CENTER WAS LOCATED NEAR 21.9N 149.2W
 
FORECAST VALID 11/1200Z 21.9N 151.2W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 40NE  15SE  15SW  40NW.
34 KT... 80NE  50SE  40SW  70NW.
 
FORECAST VALID 12/0000Z 21.6N 153.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  15SE  15SW  30NW.
34 KT... 80NE  50SE  30SW  70NW.
 
FORECAST VALID 12/1200Z 21.2N 155.7W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE  15SE  15SW  30NW.
34 KT... 80NE  50SE  30SW  70NW.
 
FORECAST VALID 13/0000Z 20.7N 158.1W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 80NE  40SE  30SW  70NW.
 
FORECAST VALID 14/0000Z 20.1N 163.1W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 70NE  30SE  20SW  60NW.
 
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 15/0000Z 20.7N 167.8W
MAX WIND  35 KT...GUSTS  45 KT.
 
OUTLOOK VALID 16/0000Z 22.5N 173.5W
MAX WIND  30 KT...GUSTS  40 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.9N 149.7W
 
NEXT ADVISORY AT 11/0900Z
 
$$
FORECASTER R BALLARD
 
 
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