Overall Green alert Tropical Cyclone for SEBASTIEN-19
in Portugal, Ireland, United Kingdom,

Event summary

Tropical Cyclone SEBASTIEN-19 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000634
Name SEBASTIEN-19
From - To 19 Nov - 25 Nov
Exposed countries Portugal, Ireland, United Kingdom,
Exposed population No people in Category 1 or higher
Maximum wind speed 130 km/h Category 1
Maximum storm surge 0.1 m (20 Nov 23:00 UTC)
Vulnerability Low (Portugal)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS NOAA 93 km/h 0.4 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 155 km/h 0.6 m 469 mm 0.5
GFS 119 km/h 0.6 m 383 mm 0.5
ECMWF 115 km/h 0.6 m 441 mm 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, 2024. 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

In the Virgin Islands, we can be thankful … 11/28/2019 8:55:00 AM.

For the soon come conclusion of a second hurricane season in a row with no major tropical storm disasters. Dorian barely winked at us, and Sebastien did not even glance our way. For that we are most grateful. As a people and a place, we
...(more)
NASA tracking Extra-Tropical Storm Sebastien towards the UK 11/25/2019 7:07:00 PM.

Credit: Credit: NASA/NRL. NASA's Aqua satellite passed over eastern North Atlantic Ocean and captured an infrared view of what is now Extra-tropical cyclone Sebastien. Sebastien transitioned from a tropical storm to an extra-tropical storm
...(more)
No storms expected to form during last week of Atlantic hurricane seas.. 11/25/2019 2:58:00 PM.

The 2019 Atlantic hurricane season ends Saturday and it is expected to go quietly. As of 7 a.m. Monday, the National Hurricane Center said no storms were expected to form in the Gulf of Mexico, Caribbean Sea or Atlantic Ocean in the next fi
...(more)
UK weather warnings: Storm Sebastien gathers strength as it MERGES wit.. 11/25/2019 1:47:00 PM.

Ex-tropical Storm Sebastien reduced somewhat in remains a major storm, with winds up to 60mph (995kmph) and is currently merging with another area of low pressure before it hits the British Isles. Warnings of rain and flooding have been iss
...(more)

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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: EC-JRC (38), (2), WMO (1), INFORM (2),