Overall Green alert Tropical Cyclone for CHALANE-20
in Mozambique, Zimbabwe, Madagascar, Botswana
29 Dec 2020 00 UTC
click on to select bulletin time
Impact Single TC
Impact based on all weather systems in the area

Impact

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

Meteorological source HWRF
Exposed countries Mozambique
Exposed population 8 thousand in Category 1 or higher
Maximum wind speed 119 km/h
Maximum storm surge 0.2 m (29 Dec 06:00 UTC)
Vulnerability High (Madagascar)

GDACS Score

GDACS alert score for Tropical Cyclones is 0.5 (GREEN Alert), 1.5 (ORANGE Alert), 2.5 (RED Alert)
For more info on GDACS alert score click here.
  Wind Storm surge Rainfall GDACS score
HWRF Current 119 km/h 0.2 m 33 mm 0.5
HWRF Overall 155 km/h 1.3 m 451 mm 0.5

Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track)

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Wind

155 km/h

Up to 8 thousand in Category 1 strength or higher (see SSHS)



Wind exposed population - AoIs

Estimations based on the bulletin of 29 Dec 2020 00:00 UTC
CategoryCountryPopulation 
CAT. 1Mozambique7,542 
Tropical StormMozambique807,381 

See TC classification SSHS


Wind Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert N° Date (UTC) Max Winds (km/h) Pop in Cat. 1 or higher TS Cat. 1 Cat. 2 Cat. 3 Cat. 4 Cat. 5 Countries
GREEN 1 24 Dec 2020 18:00 0 - - - - - - -
GREEN 2 25 Dec 2020 00:00 79 - - - - - - -
GREEN 3 25 Dec 2020 06:00 72 - - - - - - -
GREEN 4 25 Dec 2020 12:00 65 - - - - - - -
GREEN 5 25 Dec 2020 18:00 83 - - - - - - -
GREEN 6 26 Dec 2020 00:00 97 - - - - - - -
GREEN 7 26 Dec 2020 06:00 83 - - - - - - -
GREEN 8 26 Dec 2020 12:00 94 -
- - - - - Madagascar
GREEN 9 26 Dec 2020 18:00 65 - - - - - - -
GREEN 10 27 Dec 2020 00:00 50 - - - - - - -
GREEN 11 27 Dec 2020 06:00 47 - - - - - - -
GREEN 12 27 Dec 2020 12:00 43 - - - - - - -
GREEN 13 27 Dec 2020 18:00 50 - - - - - - -
GREEN 14 28 Dec 2020 00:00 54 - - - - - - -
GREEN 15 28 Dec 2020 06:00 72 - - - - - - -
GREEN 16 28 Dec 2020 12:00 72 - - - - - - -
GREEN 17 28 Dec 2020 18:00 79 - - - - - - -
GREEN 18 29 Dec 2020 00:00 216 8 thousand
- - - - Mozambique
Download:





Impact estimation for the next 72h
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Rainfall





Rain exposed population - AoIs

Estimations based on the bulletin of 29 Dec 2020 00:00 UTC
LevelCountryPopulation 
250-500 mmZambia, Zimbabwe, Mozambique4,452
+
Zambia164 
Zimbabwe30 
Mozambique4,258 
100-250 mmZambia, Zimbabwe, Mozambique752,727
+
Zambia1,659 
Zimbabwe125,485 
Mozambique625,583 
50-100 mmZambia, Zimbabwe, Namibia, Mozambique899,224
+
Zambia12,433 
Zimbabwe579,132 
Namibia43 
Mozambique307,616 

Rain Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert N° Date (UTC) Max Rainfall (mm) Pop >100mm or higher 50-100 100-250 250-500 500-750 750-1000 >1000 Countries
Blue 1 24 Dec 2020 18:00 0 - - - - - - -
Blue 2 25 Dec 2020 00:00 22 - - - - - - -
Blue 3 25 Dec 2020 06:00 20 - - - - - - -
Blue 4 25 Dec 2020 12:00 18 - - - - - - -
Blue 5 25 Dec 2020 18:00 23 - - - - - - -
Blue 6 26 Dec 2020 00:00 27 - - - - - - -
Blue 7 26 Dec 2020 06:00 23 - - - - - - -
Blue 8 26 Dec 2020 12:00 26 20 thousand - - - - - - Madagascar
Blue 9 26 Dec 2020 18:00 18 - - - - - - -
Blue 10 27 Dec 2020 00:00 14 - - - - - - -
Blue 11 27 Dec 2020 06:00 13 - - - - - - -
Blue 12 27 Dec 2020 12:00 12 - - - - - - -
Blue 13 27 Dec 2020 18:00 14 - - - - - - -
Blue 14 28 Dec 2020 00:00 15 - - - - - - -
Blue 15 28 Dec 2020 06:00 20 - - - - - - -
Blue 16 28 Dec 2020 12:00 20 - - - - - - -
Blue 17 28 Dec 2020 18:00 22 - - - - - - -
Blue 18 29 Dec 2020 00:00 529 760 thousand
- - - Zambia, Zimbabwe, Namibia, Mozambique




Impact estimation for the next 72h
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StormSurge

0.2 m

The maximum Storm surge height is  0.2m in Mbweni, Tanzania. This height is estimated for 29 Dec 2020 06:00 UTC .

The JRC has developed an experimental global storm surge model, which is run after each advisory issued by the regional tropical cyclone centres. The calculations are published about 20 minutes after a new advisory is detected by GDACS. The calculations identify the populated places affected by storm surge up to three days in advance, using the forecasted track. When forecasts change, the associated storm surge changes too and alert levels may go up or down. All links, data, statistics and maps refer to the latest available calculation. If the calculation for the last advisory is not completed, the latest available calculation is shown.

Storm Surge Exposed population - AoIs


Storm Surge Exposed locations

Calculation based on the bulletin of 29 Dec 2020 00:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
29 Dec 2020 06:00 Mbweni Tanzania  0.2
29 Dec 2020 06:00 Doriya Tanzania  0.2
29 Dec 2020 06:00 Konduchi Tanzania  0.2
29 Dec 2020 06:00 Kamendriky Madagascar  0.2
29 Dec 2020 06:00 Tsilambana Madagascar  0.2
29 Dec 2020 06:00 Bevatry Madagascar  0.2
29 Dec 2020 00:00 Antunes Mozambique  0.2
29 Dec 2020 00:00 Chamba Mozambique  0.2
29 Dec 2020 00:00 Beira Mozambique  0.2
29 Dec 2020 00:00 Damiao Mozambique  0.2
29 Dec 2020 04:45 Andrangazaha Madagascar  0.2
29 Dec 2020 04:45 Fandrarazana Madagascar  0.2
29 Dec 2020 04:45 Ambodifototra Madagascar  0.2
29 Dec 2020 04:45 Lonkintsy Madagascar  0.2
29 Dec 2020 04:45 Lokintsy Madagascar  0.2
29 Dec 2020 04:45 Lohatrozona Madagascar  0.2
29 Dec 2020 04:45 Manakalana Madagascar  0.2
29 Dec 2020 04:45 Soanierana Ivongo Madagascar  0.2
29 Dec 2020 06:00 Marovato Madagascar  0.1
29 Dec 2020 06:00 Ampasibe Madagascar  0.1
29 Dec 2020 06:00 Analalava Madagascar  0.1
29 Dec 2020 06:00 Androlavy Madagascar  0.1
29 Dec 2020 06:00 Ananalava Madagascar  0.1
29 Dec 2020 05:00 Analanampotsy Madagascar  0.1
29 Dec 2020 05:00 Ampasimbe Madagascar  0.1
29 Dec 2020 06:00 Ambalabao Madagascar  0.1
29 Dec 2020 04:45 Vohilava Madagascar  0.1
29 Dec 2020 00:00 Ali Mozambique  0.1
29 Dec 2020 00:00 Injaca Mozambique  0.1
29 Dec 2020 00:00 Calajulo Mozambique  0.1
29 Dec 2020 00:00 Lumbo Mozambique  0.1
29 Dec 2020 00:00 Mosengeri Mozambique  0.1
29 Dec 2020 00:00 Mocambique Mozambique  0.1
29 Dec 2020 06:00 Ankerefo Madagascar  0.1
29 Dec 2020 04:45 Tanambe Madagascar  0.1
29 Dec 2020 01:00 Manompana Madagascar  0.1
29 Dec 2020 01:00 Ambodiatafa Madagascar  0.1
29 Dec 2020 06:00 Vilamatsa Madagascar  0.1
29 Dec 2020 06:00 Manampatra Madagascar  0.1
29 Dec 2020 06:00 Andranovoribe Madagascar  0.1
29 Dec 2020 00:00 Ocone Mozambique  0.1
29 Dec 2020 00:00 Quelimane do Sal Mozambique  0.1
29 Dec 2020 00:00 Inhangulue Mozambique  0.1
29 Dec 2020 00:00 Mendozo Mozambique  0.1
29 Dec 2020 00:00 Magromane Mozambique  0.1
29 Dec 2020 00:00 Manica Mozambique  0.1
29 Dec 2020 00:00 Anjiabe Madagascar  0.1
29 Dec 2020 00:00 Antsahampano Madagascar  0.1
29 Dec 2020 00:00 Ambohimena Madagascar  0.1
29 Dec 2020 00:00 Ambolikapika Madagascar  0.1
29 Dec 2020 00:00 Ambato Madagascar  0.1
29 Dec 2020 00:00 Ambaliha Madagascar  0.1
29 Dec 2020 00:00 Antanamazava Madagascar  0.1
29 Dec 2020 00:00 Msindaji Tanzania  0.1
29 Dec 2020 00:00 Mchungu Tanzania  0.1
29 Dec 2020 00:00 Nyambati Tanzania  0.1
29 Dec 2020 00:00 Salale Tanzania  0.1
29 Dec 2020 00:00 Kiombani Tanzania  0.1
29 Dec 2020 01:30 Bajone Mozambique  0.1
29 Dec 2020 01:30 Pebane Mozambique  0.1
29 Dec 2020 06:00 Masokoamena Madagascar  0.1
29 Dec 2020 06:00 Katsepy Madagascar  0.1
29 Dec 2020 06:00 Majunga Madagascar  0.1
29 Dec 2020 06:00 Boanamary Madagascar  0.1
29 Dec 2020 06:00 Ampitilova Madagascar  0.1
29 Dec 2020 06:00 Moraharivo Madagascar  0.1
29 Dec 2020 06:00 Antsianitia Madagascar  0.1
29 Dec 2020 06:00 Ambondrombe Madagascar  0.1
29 Dec 2020 01:30 Mahavanona Madagascar  0.1
29 Dec 2020 01:30 Ampasina Madagascar  0.1
29 Dec 2020 01:30 Antakobola Madagascar  0.1
29 Dec 2020 01:00 Vatobe Madagascar  0.1
29 Dec 2020 00:00 Tomodo Mozambique  0.1
29 Dec 2020 01:15 Namuali Mozambique  0.1
29 Dec 2020 01:15 Nantapa Mozambique  0.1
29 Dec 2020 01:15 Muaco Mozambique  0.1
29 Dec 2020 01:15 Quinga Mozambique  0.1
29 Dec 2020 04:30 Amado Mozambique  0.1
29 Dec 2020 04:30 Chimuaza Mozambique  0.1
29 Dec 2020 04:30 Vila do Chinde Mozambique  0.1
29 Dec 2020 01:30 Morrua Mozambique  0.1
29 Dec 2020 01:30 Carramali Mozambique  0.1
29 Dec 2020 05:30 Nhangau Mozambique  0.1
29 Dec 2020 05:30 Chofandicho Mozambique  0.1
29 Dec 2020 05:00 Nhamatamanga Mozambique  0.1
29 Dec 2020 02:30 Ankomany Madagascar  0.1
29 Dec 2020 02:30 Marosakoa Madagascar  0.1
29 Dec 2020 02:30 Mariarano Madagascar  0.1
29 Dec 2020 02:30 Berafia Madagascar  0.1
29 Dec 2020 02:30 Tsianinkiro Madagascar  0.1
29 Dec 2020 00:45 Chululu Mozambique  0.1
29 Dec 2020 00:45 Caramaca Mozambique  0.1
29 Dec 2020 00:45 Mocareja Mozambique  0.1
29 Dec 2020 00:30 Mutiba Mozambique  0.1
29 Dec 2020 01:30 Mutadua Mozambique  0.1
29 Dec 2020 06:00 Ambodiadabo Madagascar  0.1