Cat. 1 Hurricane Douglas Passing North of Maui & Molokai; Oahu Next

The 2PM Intermediate Update from the Central Pacific Hurricane Center:

BULLETIN

Hurricane Douglas Intermediate Advisory Number 26A

NWS Central Pacific Hurricane Center Honolulu HIEP082020

200 PM HST Sun Jul 26 2020

...DANGEROUS HURRICANE DOUGLAS PASSING NORTH OF MAUI...

SUMMARY OF 200 PM HST...0000 UTC...INFORMATION

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LOCATION...21.6N 156.4W

ABOUT 50 MI...80 KM N OF KAHULUI HAWAII

ABOUT 100 MI...160 KM E OF HONOLULU HAWAII

MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H

PRESENT MOVEMENT...WNW OR 290 DEGREES AT 16 MPH...26 KM/H

MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES

WATCHES AND WARNINGS

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CHANGES WITH THIS ADVISORY...

The Tropical Storm Warning has been canceled for Hawaii County.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A Hurricane Warning is in effect for...

* Maui County, including the islands of Maui, Lanai, Molokai and

Kahoolawe

* Oahu

* Kauai County, including the islands of Kauai and Niihau

A Tropical Storm Warning is in effect for...

* Portions of the Papahanaumokuakea Marine National Monument from

Nihoa to French Frigate Shoals

A Tropical Storm Watch is in effect for...

* Portions of the Papahanaumokuakea Marine National Monument from

French Frigate Shoals to Maro Reef

A Hurricane Warning means that hurricane conditions are expected

somewhere within the warning area, in this case within the next

18 hours.

A Tropical Storm Warning means that tropical storm conditions are

expected somewhere within the warning area, in this case within the

next 36 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 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

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At 200 PM HST (0000 UTC), the center of Hurricane Douglas was

located near latitude 21.6 North, longitude 156.4 West. Douglas is

moving toward the west-northwest near 16 mph (26 km/h), and this

motion is expected to continue over the next couple of days. On the

forecast track, Douglas will pass near, or over, the islands from

Maui to Kauai through tonight.

Maximum sustained winds are near 85 mph (140 km/h) with higher

gusts. Gradual weakening is forecast during the next 48 hours, but

Douglas is expected to remain a hurricane as it moves through the

islands.

Hurricane-force winds extend outward up to 35 miles (55 km) from

the center and tropical-storm-force winds extend outward up to 115

miles (185 km).

The estimated minimum central pressure is 989 mb (29.21 inches).

HAZARDS AFFECTING LAND

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WIND:Hurricane conditions are expected in portions of Maui County

today, on Oahu by late this afternoon, and on Kauai tonight. Due to

the steep terrain of the islands, hurricane-force wind gusts are

possible even within the tropical storm warning area.

SURF:Large swells generated by Douglas will affect the Hawaiian

Islands into Monday, producing life-threatening and potentially

damaging surf along exposed shores.

STORM SURGE: The combination of higher than predicted water

levels, dangerous storm surge, and large breaking waves will raise

water levels by as much as 3 feet above normal tides near the center

of Douglas.

RAINFALL:Heavy rainfall associated with Douglas is expected to

affect portions of the main Hawaiian Islands today into Monday.

Total rain accumulations of 5 to 10 inches are possible from Maui

County westward to Kauai County, with the greatest amounts up to 15

inches in elevated terrain. This rain may result in life-threatening

flash flooding and land slides, as well as rapid water level rises

on small streams. Douglas could produce an additional 2 to 4 inches

of rainfall over the northern half of the Big Island.

NEXT ADVISORY

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Next complete advisory at 500 PM HST.

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