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HURRICANE DOUGLAS FORECAST/ADVISORY NUMBER  21
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP082020
1500 UTC SAT JUL 25 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
A TROPICAL STORM WATCH HAS BEEN ISSUED FOR KAUAI COUNTY...INCLUDING
THE ISLANDS OF KAUAI AND NIIHAU.
 
SUMMARY OF WATCHES AND WARNING IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* HAWAII COUNTY
* MAUI COUNTY...INCLUDING THE ISLANDS OF MAUI...LANAI...MOLOKAI AND
KAHOOLAWE
 
A HURRICANE WATCH IS IN EFFECT FOR...
* HAWAII COUNTY
* MAUI COUNTY...INCLUDING THE ISLANDS OF MAUI...LANAI...MOLOKAI AND
KAHOOLAWE
* OAHU
 
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 WITHING THE WARNING AREA WITHIN 36 HOURS.
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 36 TO 48 HOURS.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 36 TO
48 HOURS.
 
INTERESTS ELSEWHERE IN THE MAIN HAWAIIAN ISLANDS...AND IN THE
PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT...SHOULD MONITOR
THE PROGRESS OF THIS SYSTEM.
 
HURRICANE CENTER LOCATED NEAR 19.1N 148.4W AT 25/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT  16 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  975 MB
MAX SUSTAINED WINDS  90 KT WITH GUSTS TO 110 KT.
64 KT....... 20NE  15SE  15SW  20NW.
50 KT....... 40NE  35SE  25SW  40NW.
34 KT....... 90NE  60SE  50SW  90NW.
12 FT SEAS..230NE 160SE 120SW 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 19.1N 148.4W AT 25/1500Z
AT 25/1200Z CENTER WAS LOCATED NEAR 18.7N 147.6W
 
FORECAST VALID 26/0000Z 19.7N 150.6W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE  10SE  10SW  15NW.
50 KT... 35NE  30SE  20SW  35NW.
34 KT... 80NE  50SE  40SW  80NW.
 
FORECAST VALID 26/1200Z 20.6N 153.5W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 15NE  10SE   0SW  15NW.
50 KT... 35NE  25SE  15SW  30NW.
34 KT... 80NE  50SE  40SW  80NW.
 
FORECAST VALID 27/0000Z 21.4N 156.3W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 10NE   0SE   0SW  10NW.
50 KT... 30NE  20SE  15SW  30NW.
34 KT... 80NE  50SE  40SW  70NW.
 
FORECAST VALID 27/1200Z 22.1N 159.4W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 30NE  10SE  10SW  30NW.
34 KT... 80NE  50SE  30SW  70NW.
 
FORECAST VALID 28/0000Z 22.7N 162.6W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 20NE  10SE  10SW  20NW.
34 KT... 80NE  40SE  25SW  70NW.
 
FORECAST VALID 28/1200Z 23.2N 166.0W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 10NE   0SE   0SW  10NW.
34 KT... 70NE  30SE  30SW  70NW.
 
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 29/1200Z 24.1N 172.8W
MAX WIND  45 KT...GUSTS  55 KT.
 
OUTLOOK VALID 30/1200Z 25.3N 179.2W
MAX WIND  35 KT...GUSTS  45 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.1N 148.4W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT32 PHFO/HFOTCPCP2...AT 25/1800Z
 
NEXT ADVISORY AT 25/2100Z
 
$$
FORECASTER JELSEMA
 
 
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