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A major flood · 2024

Cyclone Belal (January 2024)

Map: Cyclone Belal (January 2024). The communes declared for this flood, coloured by their number of floods from 1982 to 2026, the Natura 2000 sites in coral.
In blue, the communes declared for this flood, brighter the more floods they count from 1982 to 2026: this blue is not the water. For this flood, the dataset has no observed flooded area. In coral, the Natura 2000 sites. Map: Animalert, from GASPAR (Géorisques), the Journal officiel (DILA), INPN and IGN ADMIN EXPRESS

  • 24 communes under a natural disaster declaration (flood)

  • 39 protected animal species recorded in the declared communes in the ten years before the flood

  • 26 animal species threatened on the national Red List, protected or not

    birds: by their population in the flood's season
Dates per the orders
13 to 15 January 2024
Départements
La Réunion
Flood type
wave impact, river flooding, runoff or mudflow
Heaviest rainfall
656.4 mm
in one day (La Réunion, 15 January 2024), COMMERSON station · per Météo-France
  1. 10 January 2024: 5.2 mm
  2. 11 January 2024: 0.2 mm
  3. 12 January 2024: 6.8 mm
  4. 13 January 2024: 176.4 mm
  5. 14 January 2024: 511.9 mm
  6. 15 January 2024: 656.4 mm
  7. 16 January 2024: 22.5 mm
  8. 17 January 2024: 0 mm
  9. 18 January 2024: 0 mm

1,344.7 mm from 13 to 15 Jan, up to the wettest day

The flood's dates

Peak discharge
729 m³/s
La rivière des Marsouins, Bras principal, à Saint-Benoît [Bethléem], on 15 January 2024 · provisional Hub'Eau value, it can be revised
Extent
communes under a natural disaster declaration (flood)

Protected species recorded in the declared communes

Observations recorded in the ten years before the flood, some known only to within a few kilometres, up to 10 km, when their published position is blurred or given by grid square. They tell which species were reported there, not what became of each animal.

  • 2,547 species recorded in the declared communes

  • 39 protected animal species among them and 153 protected plants

  • 26 animal species threatened on the national Red List, protected or not (vulnerable, endangered or critically endangered)

  • 31 Birds

  • 3 Mammals, bats included

  • 3 Reptiles

  • 2 Insects

For birds, the category is the one of their population at the flood's season (breeding, wintering or passage birds): a bird with no dated record in the declared communes in that season in the GBIF data has none, and the breeding category needs at least two dated records in June or July. In the migration season (March, August to October), a bird that neither the passage list nor the wintering list assesses takes its breeding category only if it was recorded at least twice in the declared communes in June or July. The list used is named under each species.

The most notable protected animal species

Species with at least three observations (for a bird, three in the months that give it its category, and no bird without a record at the flood's season), the most threatened first, then the most recorded. An observation is a published record: it can count one or several animals, and the same animal can be noted several times. When their published position is imprecise, blurred or given by grid square, they are said to be "in the communes or nearby".

Birds

The observations cover every season: a migrant bird recorded there may have been away on the day of the flood.

Mammals, bats included

Reptiles

Insects

Photos: Wikimedia Commons, each under its own licence (CC BY, CC BY-SA, CC0, public domain). Credit for each photo

In the water's path

Establishments registered today in the communes declared for this flood, taken whole, at their declared address or at the point Géorisques gives. They were not necessarily there on the day of the flood, and the dataset does not say whether they were flooded. An ICPE-classified farm can also be in the SIRENE register: these counts do not add up.

  • 66 ICPE-classified livestock farms located in the declared communes

    Géorisques · ICPE

  • No livestock business in the SIRENE register based in the declared communes

    SIRENE register · Insee

  • No veterinary practice based in the declared communes

    SIRENE register · Insee

  • 68 animal protection associations based in the declared communes

    National register of associations

  • 8 wildlife associations based in the declared communes

    National register of associations

A wildlife association is an association whose declared purpose in the national register of associations is the preservation of wildlife: the register does not say whether it runs an authorised care centre.

The declared communes

24 communes declared a natural disaster (flood) for this flood, département by département.

La RéunionSee the 24 communes

Bras-Panon, Cilaos, Entre-Deux, L'Étang-Salé, La Plaine-des-Palmistes, La Possession, Le Port, Le Tampon, Les Avirons, Les Trois-Bassins, Petite-Île, Saint-André, Saint-Benoît, Saint-Denis, Saint-Joseph, Saint-Leu, Saint-Louis, Saint-Paul, Saint-Philippe, Saint-Pierre, Sainte-Marie, Sainte-Rose, Sainte-Suzanne, Salazie

Download this flood's data

In every file of the dataset, this flood carries the identifier EV-20240113-20240115-974.

Download the datasetdata.gouv.fr

Recognised and listed