Overall Green alert Tropical Cyclone for BELNA-19
in Madagascar, Miscellaneous (French) Indian Ocean Islands

Impact

Tropical Cyclone BELNA-19 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source GFS
Exposed countries Seychelles, Madagascar
Exposed population 20 thousand in Category 1 or higher
Maximum wind speed 151 km/h
Maximum storm surge 1.0 m (09 Dec 12:15 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
GFS Current 151 km/h 1.0 m 194 mm 0.5
GFS Overall 198 km/h 1.0 m 515 mm 1.5

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

Wind

198 km/h

Up to 20 thousand in Category 1 strength or higher (see SSHS)



Wind exposed population - AoIs

Estimations based on the bulletin of 07 Dec 2019 06:00 UTC
CategoryCountryPopulation 
CAT. 2Madagascar1,283 
CAT. 1Seychelles, Madagascar20,116
+
Seychelles138 
Madagascar19,978 
Tropical StormSeychelles, Madagascar344,158
+
Seychelles68 
Madagascar344,090 

See TC classification SSHS


Wind Impact Timeline

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


Alert 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 04 Dec 2019 18:00 65 - - - - - - -
GREEN 2 05 Dec 2019 00:00 79 - - - - - - -
GREEN 3 05 Dec 2019 06:00 115 - - - - - - -
GREEN 4 05 Dec 2019 12:00 108 -
- - - - - Madagascar
GREEN 5 05 Dec 2019 18:00 97 - - - - - - -
GREEN 6 06 Dec 2019 00:00 119 - - - - - - -
GREEN 7 06 Dec 2019 06:00 119 - - - - - - -
GREEN 8 06 Dec 2019 12:00 126 -
- - - - - Seychelles
GREEN 9 06 Dec 2019 18:00 155 -
- - - - - Seychelles
GREEN 10 07 Dec 2019 00:00 148 Few people -
- - - - Seychelles
GREEN 11 07 Dec 2019 06:00 180 20 thousand
- - - Seychelles, Madagascar
Download:





Impact estimation for the next 72h




Rain exposed population - AoIs

Estimations based on the bulletin of 07 Dec 2019 06:00 UTC
LevelCountryPopulation 
250-500 mmMadagascar6,702 
100-250 mmSeychelles, Madagascar162,036
+
Seychelles138 
Madagascar161,898 
50-100 mmSeychelles, Madagascar2,459,085
+
Seychelles68 
Madagascar2,459,017 

Rain Impact Timeline

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


Alert Date (UTC) Max Rainfall (mm) Pop >100mm or higher 50-100 100-250 250-500 500-750 750-1000 >1000 Countries
Blue 1 04 Dec 2019 18:00 71 - - - - - - -
Blue 2 05 Dec 2019 00:00 228 - - - - - - -
Blue 3 05 Dec 2019 06:00 301 - - - - - - -
Blue 4 05 Dec 2019 12:00 139 - - - - - - -
Blue 5 05 Dec 2019 18:00 85 - - - - - - -
Blue 6 06 Dec 2019 00:00 265 - - - - - - -
Blue 7 06 Dec 2019 06:00 135 - - - - - - -
Blue 8 06 Dec 2019 12:00 154 -
- - - - - Madagascar
Blue 9 06 Dec 2019 18:00 99 - - - - - - -
Blue 10 07 Dec 2019 00:00 142 Few people
- - - - Seychelles
Blue 11 07 Dec 2019 06:00 391 170 thousand
- - - Seychelles, Madagascar




Impact estimation for the next 72h

StormSurge

1 m

The maximum Storm surge height is  1.0m in Andanivato, Madagascar. This height is estimated for 09 Dec 2019 12:15 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 07 Dec 2019 06:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
09 Dec 2019 12:15 Andanivato Madagascar  1.0
09 Dec 2019 12:15 Ambatojoby Madagascar  1.0
09 Dec 2019 12:15 Mahabo Madagascar  1.0
09 Dec 2019 12:15 Andramy Madagascar  1.0
09 Dec 2019 12:15 Marotaola Madagascar  1.0
09 Dec 2019 09:00 Andamoty Madagascar  0.4
09 Dec 2019 09:00 Madirobe Madagascar  0.4
09 Dec 2019 09:00 Ampapamena Madagascar  0.4
09 Dec 2019 09:45 Masokoamena Madagascar  0.4
09 Dec 2019 10:00 Katsepy Madagascar  0.3
09 Dec 2019 09:00 Majunga Madagascar  0.3
09 Dec 2019 14:15 Andranovoribe Madagascar  0.3
09 Dec 2019 14:15 Baly Madagascar  0.3
09 Dec 2019 14:15 Soalala Madagascar  0.3
09 Dec 2019 14:30 Tsilambana Madagascar  0.3
09 Dec 2019 09:15 Ampitilova Madagascar  0.2
09 Dec 2019 09:15 Antsianitia Madagascar  0.2
09 Dec 2019 09:15 Ambondrombe Madagascar  0.2
09 Dec 2019 09:15 Ankilahila Madagascar  0.2
09 Dec 2019 04:45 Mahabo Madagascar  0.2
09 Dec 2019 04:45 Tsinjorano Madagascar  0.2
09 Dec 2019 04:45 Amboaboaka Madagascar  0.2
09 Dec 2019 04:45 Matahibory Madagascar  0.2
09 Dec 2019 04:45 Ampasitsilavitra Madagascar  0.2
09 Dec 2019 04:45 Mahabo Madagascar  0.2
09 Dec 2019 05:15 Tsianinkiro Madagascar  0.2
07 Dec 2019 10:45 Kawi Tanzania  0.2
07 Dec 2019 10:45 Konduchi Tanzania  0.2
07 Dec 2019 10:45 Kipara Tanzania  0.2
07 Dec 2019 10:45 Dar es Salaam Tanzania  0.2
07 Dec 2019 10:45 Msasani Tanzania  0.2
07 Dec 2019 10:45 Magogoni Tanzania  0.2
07 Dec 2019 10:45 Mjimwema Tanzania  0.2
07 Dec 2019 10:45 Mboamaji Tanzania  0.2
07 Dec 2019 10:45 Bandarini Tanzania  0.2
07 Dec 2019 10:45 Kutani Tanzania  0.2
09 Dec 2019 09:00 Ankomany Madagascar  0.2
07 Dec 2019 11:30 Mbweni Tanzania  0.2
07 Dec 2019 11:30 Doriya Tanzania  0.2
09 Dec 2019 15:30 Bevatry Madagascar  0.2
09 Dec 2019 15:30 Kamendriky Madagascar  0.2
07 Dec 2019 12:00 Mkadini Tanzania  0.1
07 Dec 2019 12:00 Kigongoni Tanzania  0.1
07 Dec 2019 12:00 Bagamoyo Tanzania  0.1
09 Dec 2019 05:45 Ankaranakatra Madagascar  0.1
09 Dec 2019 05:45 Marovoha Madagascar  0.1
09 Dec 2019 05:45 Ambalatsingy Madagascar  0.1
09 Dec 2019 05:45 Antonibe Madagascar  0.1
09 Dec 2019 05:45 Ankinganomby Madagascar  0.1
09 Dec 2019 05:45 Antantiloky Madagascar  0.1
09 Dec 2019 05:45 Anjiajia Madagascar  0.1
09 Dec 2019 05:45 Ambodibonara Madagascar  0.1
09 Dec 2019 05:45 Tsaratanana Madagascar  0.1
08 Dec 2019 11:45 Ambodiadabo Madagascar  0.1
08 Dec 2019 11:45 Ampasibe Madagascar  0.1
08 Dec 2019 11:45 Analalava Madagascar  0.1
08 Dec 2019 11:45 Androlavy Madagascar  0.1
08 Dec 2019 11:45 Ananalava Madagascar  0.1
09 Dec 2019 05:30 Ampitily Madagascar  0.1
09 Dec 2019 05:30 Antaribao Madagascar  0.1
07 Dec 2019 08:45 Voloina Madagascar  0.1
07 Dec 2019 08:45 Manambia Madagascar  0.1
07 Dec 2019 08:45 Anantoraka Madagascar  0.1
07 Dec 2019 08:45 Maroantsetra Madagascar  0.1
07 Dec 2019 08:45 Andranofotsy Madagascar  0.1
07 Dec 2019 08:45 Mahalevona Madagascar  0.1
09 Dec 2019 07:00 Berafia Madagascar  0.1
08 Dec 2019 12:30 Ampombilava Madagascar  0.1
08 Dec 2019 12:30 Andriana Madagascar  0.1
08 Dec 2019 12:30 Ambatoxavavy Madagascar  0.1
08 Dec 2019 12:30 Andrafia Madagascar  0.1
08 Dec 2019 12:30 Nosy Faly Madagascar  0.1
08 Dec 2019 12:30 Ambato Madagascar  0.1
08 Dec 2019 12:45 Ambaliha Madagascar  0.1
08 Dec 2019 12:45 Antanamazava Madagascar  0.1
08 Dec 2019 12:45 Ambatomainty Madagascar  0.1
08 Dec 2019 12:45 Manehoko Madagascar  0.1
08 Dec 2019 12:45 Antanimandry Madagascar  0.1
08 Dec 2019 14:45 Singalana Madagascar  0.1
08 Dec 2019 14:45 Antetikireja Madagascar  0.1
08 Dec 2019 14:45 Ampasindava Madagascar  0.1
08 Dec 2019 14:45 Ankinganifahatelo Madagascar  0.1
07 Dec 2019 11:30 Sadani Tanzania  0.1
07 Dec 2019 12:15 Mkwaja Tanzania  0.1
07 Dec 2019 11:45 Bumbwini Tanzania  0.1
07 Dec 2019 11:45 Zanzibar Tanzania  0.1
07 Dec 2019 11:45 Kiembi Samaki Tanzania  0.1
07 Dec 2019 11:45 Bet-el-Mali Tanzania  0.1
07 Dec 2019 11:45 Donge Tanzania  0.1
07 Dec 2019 11:45 Kibele Tanzania  0.1
09 Dec 2019 08:15 Marosakoa Madagascar  0.1
09 Dec 2019 08:15 Mariarano Madagascar  0.1
07 Dec 2019 11:45 Mchamba Wima Tanzania  0.1
08 Dec 2019 13:15 Ambodibonara Madagascar  0.1
08 Dec 2019 13:15 Anjabe Madagascar  0.1
07 Dec 2019 09:15 Rantabe Madagascar  0.1
07 Dec 2019 09:15 Maintimbato Madagascar  0.1
07 Dec 2019 09:00 Ambanizana Madagascar  0.1
09 Dec 2019 06:45 Anjajavy Madagascar  0.1
07 Dec 2019 09:00 Benjana Madagascar  0.1
08 Dec 2019 12:45 Tanambao Madagascar  0.1
08 Dec 2019 12:45 Andranomena Madagascar  0.1
07 Dec 2019 11:45 Mkokotoni Tanzania  0.1
07 Dec 2019 10:15 Mtanga Tanzania  0.1
07 Dec 2019 10:15 Kilwa Kisiwani Tanzania  0.1
07 Dec 2019 10:15 Kilwa Masoko Tanzania  0.1
07 Dec 2019 10:15 Songa Manara I Tanzania  0.1
08 Dec 2019 13:15 Anjiabe Madagascar  0.1
07 Dec 2019 11:45 Mkuuni Tanzania  0.1
07 Dec 2019 12:00 Fumba Tanzania  0.1
07 Dec 2019 15:15 Mahavanona Madagascar  0.1
07 Dec 2019 15:15 Fenerive Madagascar  0.1
07 Dec 2019 15:15 Ampasina Madagascar  0.1
07 Dec 2019 15:15 Antsikafoka Madagascar  0.1
07 Dec 2019 15:15 Antakobola Madagascar  0.1
07 Dec 2019 15:15 Mahambo Madagascar  0.1
07 Dec 2019 14:00 Bwereu Tanzania  0.1
07 Dec 2019 14:00 Banda Kuu Tanzania  0.1
07 Dec 2019 14:00 Gazija Tanzania  0.1