Madagascar – Cyclone Ava Causes Floods and Landslides, 6 Dead and 15,000 Displaced

Tropical Cyclone Ava swept across Madagascar from 05 January 2018, bringing with it strong winds and heavy rainfall that has caused flooding and landslides.

On Jan. 4 at 5:42 a.m. EST (10:42 UTC) NASA-NOAA’s Suomi NPP satellite captured this visible image of Tropical Cyclone Ava just off shore of northeastern Madagascar.
Credit: NOAA/NASA Goddard Rapid Response Team

According to reports from the Bureau National de Gestion des Risques et des Catastrophes (BNGRC) in Madagascar, at least 6 people have died and over 15,000 displaced.

Among the worst hit areas are the capital Antananarivo, where at the peak of the storm over 3,200 people were forced from their homes to safer locations. Many areas of Antananarivo are at risk of landslides after heavy rain. As of 08 January, Red Alerts were in place for landslides in several districts of the city.

Landslide in Antananarivo after Cyclone Ava, January 2018. Photo: BNGRC

In Atsinanana Region, flooding has forced over 4,700 people from their homes in Brickaville and around 2,000 in Toamasina.

In Vatovavy Fitovinany Region, flooding has displaced over 1,000 in Mananjary and around 1,350 in Ifanadiana.

BNGRC reports that Storm Ava has continued to move south away from the country and as of 08 January was located 170 km south east of Farafangana. No cyclone alerts are in place, although the risk of mudslides and flooding remains. Levels of some rivers are still high, including the Manapatrana, Mananjary and Matitànana, and there are red alerts for flooding in Atsimo-Atsinanana and Vatovavy-Fitovinany.

Track of Cyclone Ava. Image: Meteo Madagascar

Dozens of people died in Madagascar last year when cyclone Enawo hit the country in March 2017.

Flood Summary

Last updated: January 8, 2018
Event
Tropical Cyclone Ava, Madagascar, January 2018
Date
January 5, 2018
Type
Flash flood, River flood
Cause
Extreme rainfall

Locations

A - Antananarivo
B - Brickaville
C - Toamasina
D - Mananjary
E - Ifanadiana

Magnitude

River level
6 metres
Manapatrana River at Mahafasa, Farafangana district, Atsimo-Atsinanana Region - January 7 to January 7, 2018
Red level alert
River level
5.314 metres
Mananjary River at Tsaravary, Mananjary district, Vatovavy-Fitovinany Region - January 7 to January 7, 2018
Red level alert
River level
8 metres
Matitànana River at Andemaka, Vohipeno district, Vatovavy-Fitovinany Region - January 7 to January 7, 2018
Red level alert
Rainfall level
102 mm in 24 hours
Majunga - January 5 to January 6, 2018
Rainfall level
60 mm in 24 hours
Antananarivo/Ivato - January 5 to January 6, 2018
Rainfall level
129 mm in 24 hours
Fianarantsoa - January 5 to January 6, 2018
Rainfall level
75 mm in 24 hours
Diego-Suarez - January 5 to January 6, 2018

Damages

Fatalities
6 people
January 5 to January 7, 2018
Deaths occurred in regions of Amoron'i Mania, Analamanga, Atsinanana (2), Vakinankaratra (2). Two others still missing as of 07 January, 2018. Figures according to BNGRC Madagascar.
Evacuated
13,523
January 5 to January 7, 2018
At the peak of the storm over 15,000 people were displaced.
Affected
63,000
January 5 to January 7, 2018