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BULLETIN
Tropical Storm Douglas Advisory Number  34
NWS Central Pacific Hurricane Center Honolulu HI   EP082020
1100 AM HST Tue Jul 28 2020
 
...DOUGLAS GRADUALLY WEAKENING AS IT MOVES THROUGH
PORTIONS OF THE PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT...
 
 
SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION
-----------------------------------------------
LOCATION...24.5N 168.6W
ABOUT 715 MI...1150 KM WNW OF HONOLULU HAWAII
ABOUT 150 MI...240 KM WNW OF FRENCH FRIGATE SHOALS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A Tropical Storm Warning is in effect for...
* Portions of the Papahanaumokuakea Marine National Monument from
French Frigate Shoals to Maro Reef to Lisianski
 
A Tropical Storm Watch is in effect for...
* Portions of the Papahanaumokuakea Marine National Monument from
Lisianski to Pearl and Hermes Atoll
 
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within
the next 24 hours.
 
A Tropical Storm Watch means that tropical storm conditions are
possible somewhere within the watch area, in this case within the
next 24 to 36 hours.
 
Interests elsewhere in the Papahanaumokuakea Marine National
Monument should monitor the progress of this system.
 
For storm information specific to your area, please monitor
products issued by the National Weather Service office in
Honolulu Hawaii.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 1100 AM HST (2100 UTC), the center of Tropical Storm Douglas was
located near latitude 24.5 North, longitude 168.6 West. Douglas is
moving toward the west-northwest near 18 mph (30 km/h) and this
motion is expected to continue for the next couple of days.
 
Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
Some weakening is forecast during the next 48 hours. Dissipation is 
forecast at 72 hours.
 
Tropical-storm-force winds extend outward up to 125 miles (205 km)
from the center.
 
The estimated minimum central pressure is 1004 mb (29.65 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Tropical storm conditions are expected to spread from French
Frigate Shoals to Maro Reef, including Gardner Pinnacles, today and
tonight. Tropical storm conditions are then expected over the area
from Maro Reef to Lisianski, including Laysan, later tonight into
Wednesday. Tropical storm conditions are possible over the area
from Lisianski to Pearl and Hermes Atoll on Wednesday.
 
SURF: Large seas and swells generated by Douglas will impact a
large swath of the Papahanaumokuakea Marine National Monument the
next day or two. These swells will produce large breaking waves
that could inundate some of the lower-lying atolls.
 
RAINFALL: Rainfall associated with Douglas will impact portions of
the Papahanaumokuakea Marine National Monument through Wednesday.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 200 PM HST.
Next complete advisory at 500 PM HST.
 
$$
Forecaster Powell
 
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