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BULLETIN
Tropical Storm Douglas Advisory Number  31
NWS Central Pacific Hurricane Center Honolulu HI   EP082020
500 PM HST Mon Jul 27 2020
 
...WEAKENING DOUGLAS CONTINUES MOVING WESTWARD...
...TROPICAL STORM WARNING IN EFFECT FOR PORTIONS OF THE
PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT...
 
 
SUMMARY OF 500 PM HST...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...22.9N 163.3W
ABOUT 255 MI...415 KM WNW OF LIHUE HAWAII
ABOUT 200 MI...325 KM ESE OF FRENCH FRIGATE SHOALS
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
All Hurricane Watches and Warnings for the Papahanaumokuakea
National Monument have been cancelled.
 
A Tropical Storm Warning is now in effect for...
* Portions of the Papahanaumokuakea Marine National Monument from
Nihoa to Maro Reef
 
A Tropical Storm Watch is now in effect for...
* Portions of the Papahanaumokuakea National Marine Monument from
Maro Reef to Lisianski
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A Tropical Storm Warning is now in effect for...
* Portions of the Papahanaumokuakea Marine National Monument from
Nihoa to Maro Reef
 
A Tropical Storm Watch is now in effect for...
* Portions of the Papahanaumokuakea National Marine 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 to 24 hours.
 
A Tropical Storm Watch means that tropical storm conditions are
possible somewhere within the watch area, in this case within the
next to 36 to 48 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 500 PM HST (0300 UTC), the center of Tropical Storm Douglas was
located near latitude 22.9 North, longitude 163.3 West. Douglas is
moving toward the west near 17 mph (28 km/h) and this motion is
expected to continue into Wednesday.
 
Maximum sustained winds are near 70 mph (110 km/h) with higher
gusts.  Some weakening is forecast through Wednesday.  Douglas is 
now a tropical storm.
 
Tropical-storm-force winds extend outward up to 105 miles (165 km)
from the center.
 
The estimated minimum central pressure is 993 mb (29.33 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Tropical storm force winds are expected over portions of the
Papahanaumokuakea Marine National Monument from Nihoa to French
Frigate Shoals tonight. Tropical storm conditions are expected from
French Frigate Shoals to Maro Reef Tuesday and Tuesday night.
Tropical storm conditions are possible from Maro Reef to Lisianski
Tuesday night and Wednesday.
 
SURF: Large swells generated by Douglas will impact a large swath of
the Papahanaumokuakea Marine National Monument the next couple of
days. 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 over the next couple
of days.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 800 PM HST.
Next complete advisory at 1100 PM HST.
 
$$
Forecaster Powell
 
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