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BULLETIN
Hurricane Douglas Intermediate Advisory Number 28A
NWS Central Pacific Hurricane Center Honolulu HI   EP082020
200 AM HST Mon Jul 27 2020
 
...HURRICANE DOUGLAS MOVING RAPIDLY AWAY FROM KAUAI...
 
 
SUMMARY OF 200 AM HST...1200 UTC...INFORMATION
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LOCATION...22.8N 159.6W
ABOUT 60 MI...95 KM NNW OF LIHUE HAWAII
ABOUT 150 MI...240 KM NW OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
The Hurricane Warning for Kauai County, which includes the islands
of Kauai and Niihau, has been canceled.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A Tropical Storm Warning is in effect for...
* Portions of the Papahanaumokuakea Marine National Monument from
Nihoa to French Frigate Shoals to Maro Reef
 
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within the
next 12 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 200 AM HST (1200 UTC), the center of Hurricane Douglas was 
located by Hurricane Hunter aircraft near latitude 22.8 North, 
longitude 159.6 West. Douglas is moving toward the west-northwest 
near 16 mph (26 km/h). This general motion is expected to continue 
for the next couple of days, with a slight turn to the west and an 
increase in forward speed.
 
Maximum sustained winds are near 90 mph (150 km/h) with higher
gusts. Weakening is forecast during the next 48 hours, but Douglas
will remain a hurricane until it passes west of Kauai.
 
Hurricane-force winds extend outward up to 25 miles (35 km) from
the center and tropical-storm-force winds extend outward up to 115
miles (185 km).
 
The estimated minimum central pressure is 987 mb (29.15 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
SURF:  Large swells generated by Douglas will affect the Hawaiian
Islands today, producing life-threatening and potentially
damaging surf along exposed shores.
 
RAINFALL:  Rainfall associated with Douglas is expected to
affect portions of the main Hawaiian Islands today. Total rain 
accumulations of 3 to 6 inches with locally higher amounts are 
possible, with the greatest rainfall in elevated terrain on Kauai. 
This rain may result in flash flooding and land slides, as well as 
rapid water level rises on small streams.
 
Key messages for Douglas can be found in the Tropical Cyclone
Discussion under AWIPS header HFOTCDCP2 and WMO header WTPA32 PHFO.
 
 
NEXT ADVISORY
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Next complete advisory at 500 AM HST.
 
$$
Forecaster Houston/Birchard
 
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