Overall Green Tropical Cyclone for FLORENCE-18
in United States

Event summary

Tropical Cyclone FLORENCE-18 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000495
Name FLORENCE-18
From - To 31 Aug - 16 Sep
Exposed countries United States
Exposed population 1.5 million in Category 1 or higher
Maximum wind speed 241 km/h Category 4
Maximum storm surge 2 m (14 Sep 06:00 UTC)
Vulnerability Low (United States)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS NOAA n.a 2 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 238 km/h 2 m n.a. 0.5
GFS 187 km/h 1.3 m n.a. 0.5
ECMWF 153 km/h 1.4 m n.a. 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Detailed event map. European Union, 2026. 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.

Updates on volcanic activity (Smithsonian)

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Analytical products

TC FLORENCE and ISAAC - JRC Emergency report

14/Sep/2018 13:52 UTC

As of 13 September 09:00 UTC, four Tropical Cyclone systems are active in the Atlantic Ocean (FLORENCE, ISAAC, HELEN, JOYCE) and another one could developed over the next few days over the Gulf of Mexico . In this report, an analysis of the possible impact of FLORENCE and ISAAC is presented. Under the request of the Emergency Response and Coordination Centre (ECHO/ERCC), the JRC assessed the ongoing situation.

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EMSR (2), EC-JRC (38), WMO (1), INFORM (2), (1),