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Gilma Hurricane: Impacts and Forecast for Hawaii

Alex KataevbyAlex Kataev·Sep 19, 2024
In Short

Hurricane Gilma's remnants are expected to bring 1-3 inches of rainfall to Hawaii. The remnants of Hurricane Gilma will likely cause localized flooding and power outages, with heaviest amounts on Hawaii and Maui islands. No widespread flooding is anticipated. Enhanced trade wind showers are expected through Friday night as Tropical Storm Gilma's effects linger.

Rainfall projections from Hurricane Gilma Hawaii

  • Statewide rainfall: Expected 1-3 inches of rainfall across Hawaii due to Gilma hurricane
  • Heaviest rainfall areas:
    • Hawaii and Maui islands: 1-2 inches from Thursday night into Friday
    • Central islands: Heaviest rainfall on Friday
    • Kauai: Heaviest rainfall on Saturday
  • Rainfall dependence on track:
    • Southerly track: Higher rainfall totals statewide from Hurricane Gilma
    • Northerly track: Less rainfall
  • Previous rainfall: Over 20 inches recorded in several areas of north and east Hawaii Island from Gilma and Hector

Potential impacts of Tropical Storm Gilma

  • Localized flooding: Possible, especially if Gilma hurricane shifts southward
  • Power outages: Risk of outages due to winds, based on previous tropical storm impacts
  • Wind speeds: Expected 40-60 mph winds, mainly across western portions of Hawaiian Islands
  • Fire threat: Increased risk, especially on western and southern rain-sheltered slopes
  • Rough seas and surf: Extended period of dangerous conditions for boarders, swimmers, and small craft

Current status and forecast for Hurricane Gilma Hawaii

  • Last advisory: Central Pacific Hurricane Center issued final advisory on Gilma hurricane
  • Enhanced trade wind showers: Expected through Friday night due to Tropical Storm Gilma
  • Dissipation: Gilma hurricane dissipated on August 30, 2024, approximately 200 miles from Hawaii
  • Final observations:
    • Central pressure: 1011 mb
    • Maximum sustained winds: 30 mph

Preparedness recommendations for Hurricane Gilma Hawaii

  • Monitor local weather updates: Stay informed about changing conditions related to Gilma hurricane
  • Secure outdoor items: Prevent potential wind-blown debris from Tropical Storm Gilma
  • Prepare for possible power outages: Have flashlights, batteries, and non-perishable food ready
  • Avoid flood-prone areas: Be cautious of localized flooding potential from Hurricane Gilma
  • Check emergency supplies: Ensure adequate water, food, and medication for at least 72 hours

FAQ

What is Hurricane Gilma?

Hurricane Gilma was a tropical cyclone that affected Hawaii in August 2024. It weakened to a tropical storm before approaching the islands, bringing rainfall and enhanced trade wind showers to the region.

How much rainfall is expected from Hurricane Gilma in Hawaii?

Remnants of Hurricane Gilma are expected to bring 1-3 inches of rainfall across Hawaii, with the heaviest amounts on Hawaii and Maui islands. Some areas may receive up to 1-2 inches from Thursday night into Friday.

What are the potential impacts of Tropical Storm Gilma on Hawaii?

Potential impacts include localized flooding, power outages, winds of 40-60 mph mainly across western portions of the islands, increased fire risk on rain-sheltered slopes, and dangerous conditions for boarders, swimmers, and small craft due to rough seas and surf.

When did Hurricane Gilma dissipate?

Hurricane Gilma dissipated on August 30, 2024, approximately 200 miles from Hawaii. The Central Pacific Hurricane Center issued its final advisory on the storm at that time.

How should residents prepare for the effects of Hurricane Gilma in Hawaii?

Residents should monitor local weather updates, secure outdoor items, prepare for possible power outages, avoid flood-prone areas, and check emergency supplies to ensure they have adequate water, food, and medication for at least 72 hours.