At 800 PM HST (0600 UTC), the apparent center of Tropical Storm
Darby has emerged off the west coast of the Big Island, and is
located near latitude 19.4 North, longitude 156.3 West or 25 miles South West
of Kailua-Kona Darby is moving toward the west near 11 mph (18 km/h). Darby is
forecast tomake a turn toward the northwest later tonight and continue moving
northwestward over the next 48 hours, with little change in forward
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Slight weakening is forecast during the next 48 hours.
Tropical storm force winds extend outward up to 70 miles (110 km)
from the center. Sustained winds of 43 mph and wind gusts to 61
mph were reported in Kohala Ranch on the Big Island earlier this
The estimated minimum central pressure is 1004 mb (29.65 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm force winds are expected over the Big Island
tonight, over portions of Maui County later tonight and Sunday, over
Oahu Sunday and Sunday night, and over Kauai County Sunday night and
SURF: Swells generated by Darby are expected to impact the
Hawaiian Islands over the next day or so, with swells diminishing
RAINFALL: Storm total rainfall of 8 to 12 inches, with possible
isolated maximum amounts of 15 inches. These rains could produce
life-threatening flash floods and landslides.