2024–25 European windstorm season


The 2024–2025 European windstorm season was the tenth season. It comprises a year, from 1 September to 31 August, except shifted a month later in the Eastern Mediterranean Group. The storm names were announced four days before the start of the season on 28 August 2024. This was the sixth season in which the Netherlands participated alongside the United Kingdom's Met Office and Ireland's Met Éireann in the western group. The Portuguese, Spanish, French and Belgian meteorological agencies collaborated for the eighth time, joined by Luxembourg's agency. This is the fourth season of the Eastern Mediterranean and Central Mediterranean groups, in which they comprised respectively: Greece, Israel and Cyprus; and Italy, Slovenia, Croatia, Montenegro, North Macedonia and Malta.

Background and naming

Definitions and naming conventions

There is no universal definition of what constitutes a windstorm in Europe, nor is there a universal system of naming storms.
In the Western Group, consisting of the UK, Ireland, and the Netherlands, a storm is named if one of those meteorological agencies issues an orange warning, which generally requires a likelihood of widespread sustained wind speeds greater than 65 km/h, or widespread wind gust speeds over 110 km/h. Required speeds vary slightly by agency and by season. Likelihood of on-land human impacts and inherent severity of the system further factors in whether to use the next pre-listed name.
The Southwest Group conducts its own naming.
For Greece to call upon the next name of its Group, the criteria are when forecast winds are above 50 km/h over land plus expected to impact infrastructure significantly. For Denmark to do so, a windstorm must have an hourly average windspeed of at least 90 km/h.
The Meteorology Department of the Free University of Berlin names all high and low-pressure systems that affect Europe, though they do not assign names to any actual storms. A windstorm that is associated with one of these pressure systems is sometimes recognized by the name given to the associated pressure system by the FUB. Named windstorms that have been recognized by a European meteorological agency are described in this article.
Invoking the next listed name in Europe is commonly by a storm's forecast conditions in the next day or so - as public awareness and preparedness are often cited as the main purpose. A nascent storm very occasionally does not become or remain a storm when reaching the forecasting authority.

Western Group (United Kingdom, Ireland and the Netherlands)

In 2015, the Met Office and Met Éireann asked the public for name suggestions; its first "Name our Storms" promotion. The offices produced the publicly nominated list for 2015–2018, common to both the UK and Ireland, with the Netherlands taking part from 2019 onwards.
These names were chosen for the 2024–2025 season in the UK, Ireland and Netherlands. For a windstorm to be named, the United Kingdom's Met Office, Ireland's Met Éireann, or the Netherlands' Royal Netherlands Meteorological Institute have to issue an amber weather warning, most often for wind, but a storm can also be named for amber warnings of rain and snow.

South-Western Group (France, Spain, Portugal, Belgium and Luxembourg)

This was the eighth year of the meteorological agencies of France, Spain and Portugal making a naming list of storms for their group.

Central Mediterranean Group (Italy, Slovenia, Croatia, Bosnia & Herzegovina, Montenegro, North Macedonia and Malta)

The following names are chosen for the 2024–25 season in Italy, Slovenia, Croatia, Bosnia & Herzegovina, Montenegro, North Macedonia and Malta on 1 September 2024.

Eastern Mediterranean Group (Greece, Israel and Cyprus)

The Eastern Mediterranean Group works slightly differently compared to other naming lists, instead of ending a season on 31 August of that year, they end the season on 30 September of that year. These are the names that were chosen for the 2024–25 season in Greece, Israel and Cyprus:

Northern Group (Denmark, Norway and Sweden)

This naming group, like the naming from the Free University of Berlin, does not use a naming list but names storms when it has not received a name by any other meteorological service in Europe and is projected to affect Denmark, Norway or Sweden.
  • Jakob
  • Sif

    Central/FUB naming Group (Germany, Switzerland, Austria, Poland, Czech Republic, Slovakia and Hungary)

Like the Northern Group, the Free University of Berlin names storms based on low pressures across the continent and does not use a naming list. The storms listed below were strong enough or were anticipated to cause equal or more disruption than if it were named by one of the other groups.
  • Quiteria
  • Bianca
  • Ginette
  • Darius
  • Augustin

    Atlantic ex-tropical cyclones

Ex-tropical cyclones that directly impacted a European country from the 2024 Atlantic Hurricane Season or 2025 Atlantic hurricane Season which became a European windstorm and retained its name as assigned by the National Hurricane Center in Miami, Florida.

Season summary

All storms named by European meteorological organisations in their respective forecasting areas, as well as Atlantic hurricanes that transitioned into European windstorms and retained the name assigned by the National Hurricane Center:

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from:17/01/2025 till: 23/01/2025 color:5 text:"Garoe"
from:21/01/2025 till: 27/01/2025 color:4 text:"Éowyn"
from:24/01/2025 till: 30/01/2025 color:5 text:"Herminia"
from:27/01/2025 till: 31/01/2025 color:5 text:"Ivo"
from:18/02/2025 till: 25/02/2025 color:6 text:"Coral"
from:06/03/2025 till: 09/03/2025 color:5 text:"Jana"
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from:07/04/2025 till: 13/04/2025 color:5 text:"Olivier"
from:14/04/2025 till: 18/04/2025 color:T text:"Darius"
from:15/04/2025 till: 18/04/2025 color:7 text:"Hans"
from:14/05/2025 till: 17/05/2025 color:7 text:"Ines"
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from:20/08/2025 till: 22/08/2025 color:7 text:"Lukas"
from:27/08/2025 till: 29/08/2025 color:T text:"Augustin"
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Storms

Storm Atena

Storm Atena was named on 8 September 2024, by the Italian Servizio Meteorologico.
The storm system tracked across the Mediterranean, bringing heavy rainfall to Italy, where an orange rain and thunderstorm warning was issued for Apulia, prompting the naming of the system.
Then in Croatia a red rain and thunderstorm warning was issued for the Dubrovnik region.
Storm Atena was expected to bring heavy rain, storms, strong winds, and hail to Greece from the night of 9 September to the afternoon of 11 September. It affected most of the country: the western, centre-east, and northern parts of the mainland, as well as the northern and eastern Aegean islands.
In Pieria the storm produced a spell of rain overnight 7 to 8 September with a prolonged thunderstorm hitting the Mount Olympus area during the evening of 8 September.
Storm Atena caused major traffic problems on the island of Rhodes after hitting on 11 September. The city centre, the Rhodes-Lindos road and the Analipsis area experienced severe flooding and heavy traffic. On 10 September, the storm also led to traffic accidents and power outages that disabled traffic lights. In addition, some people were trapped in elevators and required assistance from the fire department.