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BULLETIN
Tropical Storm Douglas Intermediate Advisory Number 35A
NWS Central Pacific Hurricane Center Honolulu HI   EP082020
800 PM HST Tue Jul 28 2020
 
...WEAKENING DOUGLAS PASSING SOUTH OF LAYSAN ISLAND...
 
 
SUMMARY OF 800 PM HST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...24.6N 172.1W
ABOUT 425 MI...685 KM SE OF MIDWAY ISLAND
ABOUT 930 MI...1495 KM W OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 23 MPH...37 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
The Tropical Storm Warning for portions of the Papahanaumokuakea 
Marine National Monument from French Frigate Shoals to Maro Reef 
has been discontinued. 
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A Tropical Storm Warning is in effect for...
* Portions of the Papahanaumokuakea Marine National Monument from
Maro Reef to Lisianski
 
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within
the next 12 hours.

 
DISCUSSION AND OUTLOOK
----------------------
At 800 PM HST (0600 UTC), the center of Tropical Storm Douglas was
located near latitude 24.6 North, longitude 172.1 West. Douglas is
moving toward the west-northwest near 23 mph (37 km/h) and this
general motion is expected to continue the next couple of days.
 
Maximum sustained winds are near 40 mph (65 km/h) with higher
gusts. Some weakening is forecast during the next 48 hours. Douglas
is forecast to become a post-tropical remnant low within the next 
6 to 12 hours, then dissipate shortly thereafter.
 
Tropical-storm-force winds extend outward up to 125 miles (205 km)
from the center.
 
The estimated minimum central pressure is 1007 mb (29.74 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Tropical storm conditions are expected from Laysan Island to 
Lisianski through tonight.
 
SURF: Large seas and swells generated by Douglas will impact the
Papahanaumokuakea Marine National Monument through tonight. These
swells may 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 complete advisory at 1100 PM HST.
 
$$
Forecaster Birchard
 
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