ABOUT 350 MI…560 KM E OF HILO HAWAII
ABOUT 540 MI…870 KM ESE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS…110 MPH…175 KM/H
PRESENT MOVEMENT…W OR 270 DEGREES AT 10 MPH…17 KM/H
MINIMUM CENTRAL PRESSURE…972 MB…28.70 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for…
* Hawaii County.
A Tropical Storm Watch is in effect for…
* Maui County including the islands of Maui Molokai and Lanai
A Hurricane Warning means that hurricane conditions are expected
within the warning area within the next 36 hours. Preparations
to protect life and property should be rushed to completion.
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area within 48 hours.
Interests elsewhere in the main Hawaiian Islands should monitor
the progress of Madeline.
For storm information specific to your area, please monitor
products issued by the National Weather Service office in
DISCUSSION AND 48-HOUR OUTLOOK
At 200 PM HST (0000 UTC), the center of Hurricane Madeline was
located near latitude 19.3 North, longitude 149.8 West. Madeline is
moving toward the west near 10 mph (17 km/h). This motion is
expected to continue through the rest of the day, followed by a turn
toward the west-southwest tonight through early Thursday. On the
forecast track, the center of Madeline will pass dangerously close
to Hawaii County Wednesday and Wednesday night.
Maximum sustained winds are near 110 mph (175 km/h) with higher gusts. Gradual weakening is forecast during the next 48 hours.
Hurricane-force winds extend outward up to 25 miles (35 km) from
the center and tropical-storm-force winds extend outward up to 125
miles (205 km).
The estimated minimum central pressure is 972 mb (28.70 inches).
HAZARDS AFFECTING LAND
WIND: Hurricane conditions are expected to develop over Hawaii
County as early as late Wednesday and continue into early Thursday.
Tropical storm conditions are possible over Maui County, including
the islands of Maui Molokai and Lanai, on Wednesday into early
SURF: Swells generated by Madeline are expected to build from east
to west across the Hawaiian Islands later today and tonight,
possibly becoming damaging along east facing shorelines of Hawaii County and eastern portions of the Island of Maui on Wednesday into Thursday.
RAIN: Heavy rains associated with Madeline are expected to reach
Hawaii County on Wednesday, and may impact other Hawaiian Islands
later Wednesday through Thursday. Madeline is expected to produce
total rain accumulations of 5 to 10 inches, with isolated maximum
amounts near 15 inches, across the Big Island, especially over windward portions. This rainfall may lead to dangerous flash floods
and mudslides. Madeline may produce up to 4 inches of rainfall across Maui County.