17.00 UPDATE: Hurricane Darby is slowly weakening; The system can still bring significant rainfall to Hawaiʻi

Darby satellite images. PC: NHC

(Update: 17.00 14.7.22)

Hurricane Darby is slowly continuing to weaken far east-southeast of the Hawaiian Islands, with a faster weakening expected soon, according to the latest forecast released by the Central Pacific Hurricane Center.

At 17.00 HST, the center of Darby was located about 780 miles E of Hilo, Hawaii and 980 miles ESE of Honolulu. Maximum sustained winds were 90 mph (10 mph less than the previous forecast issued at 11 a.m.), and the system was moving west near 16 mph.

CPHC reports that this proposal is expected to continue over the next few days. According to the NHC, a significant weakening is expected over the next 48 hours, with Darby expected to become a tropical storm on Friday and further weaken to a post-tropical cyclone on Saturday before disappearing.

The forecast trail will bring the center of Darby, or it’s a remnant, south of the Big Island on Saturday, according to the CPHC.


The system is described as a “small tropical cyclone with hurricane force winds extending outward up to 10 miles from the center.”


The next full announcement will be sent out at 23.00

HI-EMA activates State Emergency Operations Center to monitor Hurricane Darby;
Weakening of the system can still cause significant rain, gusts of wind

Meanwhile, the Hawai’i Emergency Management Agency has activated the State Emergency Operations Center from 6 p.m. 8 Thursday to monitor Hurricane Darby after the weakening storm system crossed the central Pacific overnight.


Activation to level 3, a step above normal operation, provides additional resources to plan for potential impacts and coordinate with Hawaii counties and our other partners if they need support to cope with any consequences from the storm.

“While the National Weather Service expects Darby to weaken and pass to our south this weekend, remnants of the tropical system could still bring several inches of rain and locally strong winds to the Big Island and Maui on Saturday,” said Luke Meyers, administrator of HI -EMA. “When you combine these potential impacts with the high surf we expect this weekend, we want to make sure we’m ready for anything, just in case.”

Darby provides a reminder that hurricane season can threaten Hawai’i even if a storm passes well offshore, with winds, coastal waves and local flooding of roads and low-lying areas all possible.

HI-EMA reminds residents and visitors of these tips before and during severe weather:

  • Check the places where you live, work and play for potential hazards, such as blocked drainage or wooden limbs that can blow through a window or roof – there is still time to get ready.
  • Fill the fuel tank and charge mobile phones if the power fails or you need to move to a safer place.
  • Make sure you have water and food supplies, necessary medications, masks and disinfectant, battery-powered radio and other emergency supplies. HI-EMA recommends that residents be two weeks ready, but even a few days’ value makes you more prepared. Do not forget about supplies for pets!
  • There is never a bad time to make an emergency plan with your family – and practice it.

If Darby brings extreme conditions, remember to avoid running into the water if there is local flooding. Liquid water can transport a car away, and Hawaii’s steep valleys mean it can flow fast – turn around, don’t drink.

Coincidentally, the activation of the State Emergency Operations Center coincides with a previously scheduled emergency response exercise on Saturday, July 16, involving amateur radio operators from Hawai’i. If you happen to hear radio traffic about a simulated emergency on Saturday, do not be confused. Any information related to a real emergency will be communicated through several channels, including the HI-EMA Twitter feed on @Hawaii_EMA and messages to local media.

Darby 3-day weather forecast cone. PC: NHC

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