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16 Jan 2018 description

More than 54,000 people were displaced by the cyclone which struck with with wind speeds of up to 190 kph

ANTANANARIVO, Jan 15 (Reuters) - The death toll from a cyclone that hit Madagascar about 10 days ago has risen to 51, with another 22 people reported missing, authorities said on Sunday.

Read more on Reuters.

16 Jan 2018 description

BERGUITTA s’est intensifiée et est actuellement au stade de Forte Tempête Tropicale. A 10 heures locales, son centre est localisé à 1445 km au large de Toamasina. Il est probable qu’elle montera au stade de Cyclone mature dans les prochaines heures. La force du vent est estimée à 110 km/h avec des rafales de 155 km/h à proximité de son centre. Il poursuit désormais son Cap vers le Nord-Ouest et ceci pour les 2 prochains jours à un rythme réduit de 06 à 10 km/h. D’après les éléments de prévision de ce matin, BERGUITTA ne touchera terre sur Madagascar.

16 Jan 2018 description

Au cours de la semaine passée (08 au 14 Janvier), des cumuls de précipitations abondants (150 à 300 mm) ont été observés dans les districts de Nosy Be, Ambilobe, Ambanja, Analalava, Sainte Marie, Mahajanga I et II, et des cumuls de précipitations très abondants (300 à 400 mm) ont été observés dans le district d'Antsohihy.

16 Jan 2018 description

Ce matin, une autre Perturbation Tropicale s’est formée dans le Nord du Canal de Mozambique. A 10 heures locales, son centre est positionné à 362 Km au Nord-Ouest de Besalampy. Il est probable qu’elle s’intensifie en Tempête Tropicale avant son atterrissage sur le Mozambique.

Sa présence n’engendrera pas de modification notable sur les conditions météorologiques dans le Nord du pays.

14 Jan 2018 description

FOOD SECURITY SNAPSHOT

  • Cyclone Ava brings heavy rains to eastern regions in early 2018

  • Rice production in 2017 estimated at well belowaverage level mainly reflecting dry conditions in main-producing areas

  • Prices of rice in 2017 up on annual basis, mostly on account of tighter supplies

  • Moderate improvement in food security situation in southern regions, but conditions worsened in southeastern areas due to weather shocks

Heavy rains impact coastal regions in early 2018

14 Jan 2018 description

La tempête tropicale modérée BERGUITTA (nommée hier dans l’après-midi) est localisée à 1450 km à l’Est de Toamasina à 9 heures locales. La force du vent qui l’accompagne est estimée à 83 km/h avec des rafales de 117 km/h à proximité de son centre. D’après la prévision, BERGUITTA deviendra un système mature et dangereux pour les Iles soeurs en début de cette semaine. Il poursuit désormais son Cap vers le Nord-Ouest et ceci pour les 2 prochains jours à un rythme réduit de 06 à 10 km/h.

11 Jan 2018 description

Heavy rainfall associated with Tropical Cyclone Ava causes flooding in Madagascar

Africa Weather Hazards

  1. Since November, rainfall has been belowaverage in South Africa.
    The early season abnormal dryness has expanded into several parts of southern and western Mozambique, Zimbabwe, eastern Botswana, and southern Zambia, where rainfall is forecast to be low during the middle of January.

10 Jan 2018 description
map UNOSAT

This map illustrates satellite-detected water extent as of 07 January 2018 over Toamasina districts, Atsinanana Region, in Madagascar as detected by Sentinel-1. Some standing water areas could be observed north and south of Toamasina, mainly in the agricultural and/or open areas along the river. It is likely that floodwaters have been systematically underestimated along highly vegetated areas along main river banks and within built-up urban areas because of the special characteristics of the satellite data used. This is a preliminary analysis and has not yet been validated in the field.

10 Jan 2018 description

Highlights

• Tropical Cyclone Ava impacted thousands of people and caused numerous damages in infrastructure.

• 33 deaths and 22 missing people have been reported.

• Road access to some south-eastern and south-western parts of the country has been cut off.

• Humanitarian response is ongoing, including provision of food, water, sanitation and health services.

• An aerial assessment is assessing the extent of the floods and the possible impacts on agriculture.

Situation

09 Jan 2018 description
map UNOSAT

This map illustrates satellite-detected water extent as of 07 January 2018 over Mananjary district, Vatovavy-Fitovinany region, in Madagascar as detected by Sentinel-1. ~ 1000 ha of land over the communes of Tsiatosika and ~1300 ha in Ankatafana seem to be inundated. These zones are mainly agricultural and/or swamps. These waters are the results of recent heavy rains following the cyclone AVA-18 which made landfall the 05 January 2018.

09 Jan 2018 description
map UNOSAT

This map illustrates satellite-detected water extent as of 07 January 2018 over Vohipeno & Manakara Atsimo districs, Vatovavy Fitovinary Region, in Madagascar as detected by Sentinel-1. As of 07 January 2018. Several communes of these districts seem to be affected by inundations due to to the heavy rains that have followed the cyclone AVA-18. ~1,000 ha of lands appear to be likely affected in Vohitrindry, ~ 800 ha in Lanovo and ~400 ha in Vohilany communes.

09 Jan 2018 description

More than 13,000 people are displaced and schools are shut due to flooding and risk of landslides

ANTANANARIVO, Jan 8 (Reuters) - A cyclone that hit eastern Madagascar over the weekend killed at least 29 people and injured three others while two people were reported missing, authorities said on Monday.

Tropical Cyclone Ava passed through Madagascar on Friday and Saturday, hitting mostly the eastern coast of the island with wind speeds of between 140-190 kph (87-119 mph).

08 Jan 2018 description
map UNOSAT

This map illustrates satellite-detected water extent as of 07 January 2018 over Brickaville distric, Atsinanana region, in Madagascar as detected by Sentinel-1. As of 07 January 2018, ~ 2600 ha of land over Brickaville commune seem to be inundated and 2400 in Andovoranto commune. These zones are mainly agricultural and/or swamps. These waters seem to be the results of the recent heavy rain related also to the cyclone AVA-18 which made landfall the 05 January 2018.

08 Jan 2018 description

Highlights

• Tropical Cyclone AVA left Madagascar on 6 January.

• The cyclone caused heavy rainfall and strong winds along the coast and the highland.

• Thousands of people have been affected and displaced.

• Six deaths and two missing people have been reported.

Situation

08 Jan 2018 description
  • Tropical cyclone AVA continued moving south along the eastern coast of the country as Tropical Storm. On 8 January at 0.00 UTC its centre was located off the eastern coast of Madagascar, 200 km north-east of Taolagnaro city (Madagascar) and 800 km south-west of La Reunion island, and it had maximum sustained winds speed of 74 km/h (Tropical Storm).

  • Over the next 24 hours, it is forecast to keep moving, heading south away from Madagascar and weakening. Heavy rain, strong winds and a storm surge could still affect southern and eastern regions of Madagascar.

08 Jan 2018 description

SITUATION GLOBALE

BULLETIN CYCLONIQUE SPECIAL DU 07 JANVIER 2018 A 16 HEURES LOCALES

La Tempête AVA est localisée à 170 Km au Sud-Est de Farafangana. Le vent moyen reste à 65 Km/h avec des rafales de 90 Km/h. Elle va continuer son trajet suivant un Cap Sud à un rythme moyen de 15 Km/h. Le danger semble écarté pour Madagascar. Toutefois, des vigilances doivent toujours être de mise face aux montées des eaux et le risque secondaire de glissement de terre.

08 Jan 2018 description

La Tempête AVA est localisée à 185 Km au Sud-Est de Taolagnaro à 09 heures locales. Le vent moyen reste à 65 Km/h avec des rafales de 90 Km/h. Elle va continuer son trajet suivant un Cap Sud en s’éloignant totalement de notre pays à un rythme moyen de 15 Km/h. Le danger est écarté pour Madagascar.

Toutes les alertes cyclones sont levées.

La sortie en mer reste déconseillée pour les côtes Sud-Est et Sud du pays. Ailleurs, la navigation marine côtière requiert toujours prudence face aux vagues qui peuvent localement atteindre 3 mètres.

08 Jan 2018 description

SITUATION METEO

Du vent fort a été ressenti sur Antananarivo et ses environs presque toute la nuit due à la présence de la zone orageuse dans la partie Nord Ouest de Madagascar. D’après la Direction Générale de la Météorologie, le vent devrait s’affaiblir à partir de cet après-midi.

Les pluies sont encore en rendez-vous pour les 5 prochains jours mais de faible quantité (inférieur à 10mm à partir de demain).