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Alliant Bulletin: Hurricane Idalia 

By Alliant

Catastrophic storm surge and damaging winds are imminent along Florida's Big Bend and Northern Florida.

Current status of Hurricane Idalia (as of 5:00 PM EDT, Aug 30, 2023)

Key Developments

  • Downgraded Status:  Idalia has been downgraded to a Tropical Storm.
  • Pressure Trends:  The estimated minimum central pressure is 984 mb (29.06 inches).
  • Current Observations: Radar data and observations indicate maximum sustained winds of 70 mph (110 km/h).


  • Location: Latitude 32.2N, Longitude 81.7W
  • Proximity: About 40 miles W of Savannah, Georgia; About 115 miles WSW of Charleston, South Carolina
  • Maximum Sustained Winds:70 mph (110 km/h)
  • Present Movement: NE or 35 degrees at 21 mph (33 km/h)
  • Minimum Central Pressure: 984 mb (29.06 inches)

Detailed Observations

  1. Wind Conditions: A sustained wind of 52 mph (83 km/h) and a gust to 67 mph (107 km/h) were recently reported at the Savannah Entrance Light.


Watches and Warnings

  • Changed Warnings: Storm Surge Warnings and Watches have been discontinued along the Gulf coast of Florida and the Georgia coast. Hurricane Warning changed to a Tropical Storm Warning.
  • Current Warnings: A Storm Surge Warning is in effect from St. Catherine's Sound, Georgia to South Santee River, South Carolina. A Tropical Storm Warning is in effect up to the North Carolina/Virginia border.


Consequences & Implications

  • Storm Surge: There's a risk of life-threatening inundation, particularly in areas where storm surge warnings are still active.
  • High Winds: Strong winds are expected to continue across portions of Georgia and the Carolinas.
  • Rainfall: Expected to produce 4 to 8 inches of rainfall with isolated maxima up to 10 inches, causing areas of flash, urban, and moderate river flooding.

Final Recommendations

  • Immediate Action: Follow evacuation and other instructions from local officials. Risk of life-threatening situations remains high.
  • Stay Informed: Keep monitoring updates from your local National Weather Service office for specific information to your area.


For more information please visit Alliant Disaster Recovery.


Alliant note and disclaimer: This document is designed to provide general information and guidance. Please note that prior to implementation your legal counsel should review all details or policy information. Alliant Insurance Services does not provide legal advice or legal opinions. If a legal opinion is needed, please seek the services of your own legal advisor or ask Alliant Insurance Services for a referral. This document is provided on an “as is” basis without any warranty of any kind. Alliant Insurance Services disclaims any liability for any loss or damage from reliance on this document.