Overall Orange alert Tropical Cyclone for IDALIA-23
in United States

Event summary

Tropical Cyclone IDALIA-23 can have a medium humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1001000
Name IDALIA-23
From - To 26 Aug - 02 Sep
Exposed countries United States
Exposed population 470 thousand in Category 1 or higher
Maximum wind speed 213 km/h Category 4
Maximum storm surge 2.4 m (30 Aug 10:00 UTC)
Vulnerability Low (United States)

GDACS Score

Created with Highcharts 6.2.01.51.50.50.50123
For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS NOAA 93 km/h 2.4 m n.a. 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
  • OpenStreetMap
    The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.
2000 km
Detailed event map. European Union, 2025. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.
"ECHO Daily Map of 31 August 2023"

Latest media headlines

Tropical Storm Lee Expected To Become A Major Hurricane; Meteorologist.. 9/6/2023 11:17:00 AM.

The National Hurricane Center and Central Pacific Hurricane Center said that Lee is expected to rapidly intensify into an extremely dangerous hurricane by the weekend. Path of the tropical storm. Meteorologists said that at 11:00 PM AST (03
...(more)
ALLISTER AALDERS: Idalia remnants offshore, feeling summer-like this w.. 9/6/2023 11:15:00 AM.

Idalia’s remnants are offshore but will influence our weather through the end of this week, mainly in Nova Scotia, along with Newfoundland and Labrador. We had some excellent weather for the last long weekend of summer — the weekend some
...(more)
‘Increasing confidence’ that Lee will become ‘very powerful hurricane’.. 9/6/2023 11:12:00 AM.

Tropical Storm Lee is gaining strength in the Atlantic and likely will develop into an “extremely dangerous” major hurricane with potential top wind speeds of 150 mph by the weekend as it travels west toward the Caribbean and Bahamas, forec
...(more)
‘Increasing confidence’ that Lee will become ‘very powerful hurricane’.. 9/6/2023 11:10:00 AM.

Tropical Storm Lee is gaining strength in the Atlantic and likely will develop into an “extremely dangerous” major hurricane with potential top wind speeds of 150 mph by the weekend as it travels west toward the Caribbean and Bahamas, forec
...(more)

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (40), (2), WMO (1), INFORM (2),