Overall Green alert Tropical Cyclone for CHALANE-20
in Mozambique, Zimbabwe, Madagascar, Botswana

Event summary

Tropical Cyclone CHALANE-20 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000755
Name CHALANE-20
From - To 24 Dec - 30 Dec
Exposed countries Mozambique, Zimbabwe, Madagascar, Botswana
Exposed population No people in Category 1 or higher
Maximum wind speed 111 km/h Tropical storm
Maximum storm surge 1.1 m (30 Dec 05:00 UTC)
Vulnerability High (Madagascar)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 83 km/h 1.1 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 155 km/h 1.3 m 451 mm 0.5
GFS 148 km/h 1.1 m 492 mm 0.5
ECMWF 72 km/h 1.3 m 366 mm 0.5
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

Articles: 87 | About casualties: 1 | Last hour: 0

Mozambique storm death toll rises to 7 Africa 14 min agoSat, 02 Jan 2021 11:18:00 +0100.

In Sofala, Manica and Zambézia, storm Chalane has left at least 10 people injured.
Environmental Disasters In December 2020Sat, 02 Jan 2021 10:38:00 +0100.

The last month of 2020 saw a host of environmental disasters, including floods in Malaysia and Thailand, a volcanic eruption that displaced hundreds in Indonesia, landslides in Canada and Norway, and storms in Nigeria. Here is a timeline co
...(more)
Environmental disasters in December 2020Sat, 02 Jan 2021 10:32:00 +0100.

ANKARA The last month of 2020 saw a host of environmental disasters, including floods in Malaysia and Thailand, a volcanic eruption that displaced hundreds in Indonesia, landslides in Canada and Norway, and storms in Nigeria. Here is a time
...(more)
Le Zimbabwe à l’abri de la dépression tropicale ChalaneFri, 01 Jan 2021 13:53:00 +0100.

Harare – Le département du service météorologique zimbabwéen (MSD) a indiqué que le pays était désormais à l’abri de la dépression tropicale Chalane qui s’était approchée du Zimbabwe fin décembre. Dans un communiqué, MSD a fait savoir que l
...(more)

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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

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (38), (2), WMO (1), INFORM (2),