Overall Red Tropical Cyclone alert for GIOVANNA-12 in Madagascar from 10 Feb 2012 00:00 UTC to 13 Feb 2012 12:00 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Red alert Tropical Cyclone for GIOVANNA-12

in Madagascar

Event summary

Tropical Cyclone GIOVANNA-12 can have a high humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID	TC 28199
Name	GIOVANNA-12
From - To	10 Feb - 21 Feb
Exposed countries	Madagascar
Exposed population	640 thousand in Category 1 or higher
Maximum wind speed	249 km/h Category 4
Maximum storm surge	1.7 m (13 Feb 23:00 UTC)
Vulnerability	High (Madagascar)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
JRC	56 km/h	1.7 m	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	n.a	n.a.	n.a.	n.a.
GFS	n.a	n.a.	n.a.	n.a.
ECMWF	n.a	n.a.	n.a.	n.a.

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

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Brickaville sinistrée : le CRS en aide aux victimes de « Giovanna » 2/24/2012 8:58:00 AM.

Suite au passage du cyclone « Giovanna » à Madagascar le 14 février dernier, le « Catholic Relief Services » (CRS) a manifesté sa solidarité aux familles victimes de ce cataclysme naturel. En effet, le CRS a envoyé quatre grandes tentes pou

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Pas de risque de blanchiment du corail à Mayotte 2/24/2012 7:44:00 AM.

Le Cordio (Coral reef degradation in the indian ocean) et l’UICN émettent, durant la période de juin à mai propice au blanchiment du corail, des bulletins d’alerte concernant l’ouest du canal du Mozambique environ tous les quinze jours. Le

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VPDAT : aide d’urgence au service foncier de Vatomandry 2/23/2012 8:12:00 AM.

Vatomandry figure parmi les Districts les plus touchés par le cyclone Giovanna. La Vice-Primature en charge du Développement et de l’Aménagement du territoire (VPDAT), représentée par le Directeur de Cabinet de ce département ministériel et

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View more news

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

Analytical products

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (46), (2), WMO (1), INFORM (2),

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