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weatherLive Developing Story•Sep 24, 2026, 05:29 PM ET

Tropical Storm Watch issued September 24 at 11:29AM HST by NWS Honolulu HI in Hawaii

A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours * LOCATIONS AFFECTED - Mauna Kea Summit - Mauna Loa Summit * WIND - LATEST LOCAL FORECAST: Equivalent Tropical Storm force wind - Peak Wind Forecast: 40-50 mph with gusts to 60 mph - Window for Tropical Storm force winds: Friday morning until Sunday morning - THREAT TO LIFE AN

By USA Now News Desk (Autonomous Factual Verification)
Tropical Storm Watch issued September 24 at 11:29AM HST by NWS Honolulu HI in Hawaii
Official verified reporting via National Weather Service (NOAA)
Quick Answer & Executive Summary

Official alerts issued by the National Weather Service (NOAA) confirm active weather hazards affecting Hawaii. Residents and travelers in the designated zone should heed safety warnings and monitor local radar.

“Official alerts issued by the National Weather Service (NOAA) confirm active weather hazards affecting Hawaii. Residents and travelers in the designated zone should heed safety warnings and monitor local radar.”

Key Takeaway • USA NOWShare Quote

Key Verified Points

  • •Event: Tropical Storm Warning
  • •Severity: Severe | Urgency: Immediate | Certainty: Likely
  • •Affected Areas: Big Island Summit
  • •Effective: 2026-09-24T11:19:00-10:00
  • •Expires: 2026-09-24T19:30:00-10:00
  • •Caution advised for affected regions.

Executive Meteorological Briefing

A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours * LOCATIONS AFFECTED - Mauna Kea Summit - Mauna Loa Summit * WIND - LATEST LOCAL FORECAST: Equivalent Tropical Storm force wind - Peak Wind Forecast: 40-50 mph with gusts to 60 mph - Window for Tropical Storm force winds: Friday morning until Sunday morning - THREAT TO LIFE AN

Hazard Analysis & Threat Level

The National Weather Service (NOAA) has designated this event with a severity rating of SEVERE and an urgency classification of IMMEDIATE. Meteorological observation stations across Hawaii are tracking atmospheric volatility and issuing real-time safety advisories.

Key Verified Meteorological Points

  • Event: Tropical Storm Warning
  • Severity: Severe | Urgency: Immediate | Certainty: Likely
  • Affected Areas: Big Island Summit
  • Effective: 2026-09-24T11:19:00-10:00
  • Expires: 2026-09-24T19:30:00-10:00
  • Caution advised for affected regions.: Caution advised for affected regions.
  • Geographic Scope & Affected Communities

  • Primary Impact Sector: Hawaii
  • Regional Zone Footprint: Big Island Summit
  • State Jurisdiction: HI (United States)
  • Essential Public Safety Directives

  • Monitor Official Broadcasts: Keep battery-powered NOAA weather radios or official emergency notification applications active.
  • Secure Vulnerable Assets: Fasten loose outdoor objects and avoid non-essential highway travel in affected sectors.
  • Obey Local Officials: Follow instructions issued by municipal emergency management agencies and local first responders.
  • Primary Provenance & Real-Time Updates

    All meteorological information in this report originates directly from the National Weather Service (NOAA). USA NOW will continue automated synchronization as updated radar passes and bulletins are logged.

    Event Timeline & Developments

    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours * LOCATIONS AFFECTED - Mauna Kea Summit - Mauna Loa Summi
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Watch means tropical storm-force winds are possible somewhere within this area within the next 48 hours * LOCATIONS AFFECTED - Wailuku - Waihee - Kapalua * WIND -
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours * LOCATIONS AFFECTED - Kamuela - Hawi - Honokaa * WIND -
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Watch means tropical storm-force winds are possible somewhere within this area within the next 48 hours * WIND - LATEST LOCAL FORECAST: Equivalent Tropical Storm f
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours * LOCATIONS AFFECTED - Kawaihae - Waikoloa Village - Mahu
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Watch means tropical storm-force winds are possible somewhere within this area within the next 48 hours * LOCATIONS AFFECTED - Kaunakakai - Kualapuu - Kepuhi * WIN
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours * LOCATIONS AFFECTED - Kailua-Kona - Captain Cook - Milol
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Watch means tropical storm-force winds are possible somewhere within this area within the next 48 hours * LOCATIONS AFFECTED - Haleakala National Park * WIND - LAT
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours * LOCATIONS AFFECTED - Hawaiian Ocean View Estates * WIND
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Watch means tropical storm-force winds are possible somewhere within this area within the next 48 hours * LOCATIONS AFFECTED - Hoolehua * WIND - LATEST LOCAL FOREC
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours * LOCATIONS AFFECTED - Naalehu - Pahala * WIND - LATEST L
    Sep 24, 05:57 PM ET
    Update Verified
    A Tropical Storm Watch means tropical storm-force winds are possible somewhere within this area within the next 48 hours * LOCATIONS AFFECTED - Haiku - Hana - Kipahulu * WIND - LAT
    Sep 24, 05:57 PM ET
    Update Verified
    * WHAT...For the Small Craft Advisory, northeast winds to 30 kt. For the Tropical Storm Watch, east winds to 40 kt and seas 6 to 11 feet. * WHERE...Maalaea Bay and Pailolo Channel.
    Sep 24, 05:57 PM ET
    Update Verified
    * WHAT...For the Tropical Storm Warning and Hurricane Watch, east winds 35 to to 45 kt and seas 15 to 20 feet. For the Small Craft Advisory, east winds to 30 kt and seas 7 to 12 fe
    Sep 24, 05:29 PM ET
    Initial Primary Bulletin Recorded
    * WHAT...For the Small Craft Advisory, east winds to 25 kt and seas 7 to 10 feet. For the Tropical Storm Watch, east winds 25 to 35 kt and seas 9 to 14 feet. * WHERE...Kaiwi Channel, Maui County Windw

    Frequently Asked Questions

    What areas are included in this weather advisory?

    The primary region affected is Hawaii (Kaiwi Channel; Maui County Windward Waters; Maui County Leeward Waters), according to the National Weather Service.

    What is the severity of this storm warning?

    The National Weather Service (NOAA) has classified this event with a severity rating of SEVERE and an urgency status of FUTURE.

    Where can residents verify real-time radar and safety directives?

    Direct bulletins and radar updates are available via local emergency management agencies and the official source at https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.16c0da5abaf69bca5cd0f6f1e73e576ce81a790e.003.1.

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