Overall Green alert 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
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 2.2 m (14 Sep 01:00 UTC)
Vulnerability Low (United States)


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS 241 km/h 2.2 m n.a. 1.5
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
Beta Version - All weather systems in the area: maximum expected impact (wind, storm surge, rainfall)
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, 2021. 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)

Latest media headlines

Articles: 2476 | About casualties: 385 | Last hour: 0

Ocracoke residents board the ferry, anxious to see damage islandThu, 20 Sep 2018 08:51:00 +0200.

A line of cars packed into Swan Quarter Ferry on Tuesday as locals and business owners planned to see their property for the first time since Hurricane Florence. (Photo credit: WLOS staff) OCRACOKE ISLAND, N.C. (WLOS) — A line of cars pack
Floods prevent inspectors from studying environmental harmThu, 20 Sep 2018 08:49:00 +0200.

Aerial photographs show widespread devastation to farms and industrial sites in eastern North Carolina, with tell-tale trails of rainbow-colored sheen indicating potential contamination visible on top of the black floodwaters. However, cond
Hurricane floods mix 3.2M gallons of wastewater with creekThu, 20 Sep 2018 08:48:00 +0200.

An official at a water utility company in North Carolina says Hurricane Florence's floodwaters caused 3.2 million gallons of partially-treated wastewater to mix with a creek. The Daily News of Jacksonville reports the Onslow Sewer and Water
1 death during Florence: A hunter keeping watch on his dogsThu, 20 Sep 2018 08:47:00 +0200.

In this Sept. 18, 2018, photo, Marian Sutton checks on her deceased husband’s dogs in their backyard kennel near Kinston, N.C. Bennie Lee Sutton’s death was attributed to Hurricane Florence because he was outside with the dogs as the storm’

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

Data, images, links, services and documents

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