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 GDACS
Exposed countries Madagascar, Miscellaneous (French) Indian Ocean Islands
Exposed population 50 thousand in Category 1 or higher
Maximum wind speed 185 km/h
Maximum storm surge 0.6 m (09 Dec 14:00 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
Current 120 km/h 0.7 m n.a. 1.5
Overall 185 km/h 0.6 m n.a. 1.5

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

Wind

120 km/h Current Max.

Up to 120000 people in Category 1 strength or higher (see SSHS)

Impact Timeline

Alert Date (UTC) Max Winds (km/h) Population in
Tropical Storm or higher
Population in
Cat 1. or higher
Countries
Green 1 04 Dec 2019 18:00 130 490 thousand No people Miscellaneous (French) Indian Ocean Islands
Green 2 05 Dec 2019 06:00 130 670 thousand Few people Miscellaneous (French) Indian Ocean Islands
Green 3 05 Dec 2019 18:00 157 850 thousand 50 thousand Madagascar
Green 4 06 Dec 2019 06:00 167 1.2 million 90 thousand Madagascar
Green 5 06 Dec 2019 18:00 176 1.2 million 20 thousand Miscellaneous (French) Indian Ocean Islands, Madagascar
Red 6 07 Dec 2019 06:00 204 3 million 260 thousand Madagascar
Orange 7 07 Dec 2019 18:00 120 1.5 million 120 thousand Miscellaneous (French) Indian Ocean Islands, Madagascar

Bulletin Timeline

Alert Date (UTC) Category
(SSHS)
Max winds
(km/h)
Population in
Cat.1 or higher
Population in
Tropical Storm
or higher
Location (lat, lon) Countries
GREEN
1 04 Dec 2019 18:00 Tropical storm 65 no people no people -6.7, 51.6
GREEN
2 05 Dec 2019 06:00 Tropical storm 74 no people no people -6.7, 50.9
GREEN
3 05 Dec 2019 18:00 Tropical storm 102 no people no people -7.1, 49.9
GREEN
4 06 Dec 2019 06:00 Category 1 120 no people no people -7.9, 48.7
GREEN
5 06 Dec 2019 18:00 Category 1 120 <1000 people <1000 people -9.2, 48.4
GREEN
6 07 Dec 2019 06:00 Category 2 157 no people <1000 people -9.6, 47.4 Miscellaneous (French) Indian Ocean Islands
GREEN
7 07 Dec 2019 18:00 Category 3 185 no people <1000 people -10.9, 47.2 Miscellaneous (French) Indian Ocean Islands
GREEN
7 08 Dec 2019 06:00 Category 3 204 no people no people -12.2, 46.8 Miscellaneous (French) Indian Ocean Islands
GREEN
7 08 Dec 2019 18:00 Category 3 204 no people 290000 people -13.5, 46.3 Madagascar
GREEN
7 09 Dec 2019 06:00 Category 2 176 17000 people 470000 people -15, 45.8 Madagascar
ORANGE
7 09 Dec 2019 18:00 Category 1 120 110000 people 730000 people -16.5, 45.2 Madagascar
GREEN
7 10 Dec 2019 18:00 Tropical storm 74 no people 740000 people -20.2, 44.5 Madagascar
GREEN
7 11 Dec 2019 18:00 Tropical depression 56 no people no people -23, 46 Madagascar
Actual track of the current bulletin
The alert for forecast greater than 3 days is limited to Orange level.
Download:



Exposed population - AoIs

Exposed population in the potential affected countries, provinces and populated places

Countries

Country
Glorioso Is.
Madagascar

Provinces

Region Province Country
Glorioso Is. Miscellaneous (French) Indian Ocean Islands
Mahajanga Madagascar
Toliara Madagascar

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Soalala DWB 43 Civ. Paved No 4100
Morafenobe TVA unknown 0
Belo Sur Tsiribihina BMD 47 Civ. Paved No 4400

Ports

Name LOCODE Country
Cosmoledo Island Seychelles
Bali Madagascar
Soalala MGDWB Madagascar

Rainfall

Rainfall accumulation of the past 24h, as detected by the Global Precipitation Measurement mission of NASA. For more information, see https://www.nasa.gov/mission_pages/GPM/main/index.html.

...

StormSurge

0.6 m

The maximum Storm surge height is  0.7m in Marotaola, Madagascar. This height is estimated for 09 Dec 2019 14:00 UTC .

The JRC has developed an experimental global storm surge model. 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.

Locations affected by Storm surge (48 locations). Calculation based on advisory number 7 of 07 Dec 2019 18:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert Date (UTC) Name Country Storm surge height (m)
09 Dec 2019 14:00 Marotaola Madagascar  0.7
09 Dec 2019 14:00 Andanivato Madagascar  0.7
09 Dec 2019 14:00 Ambatojoby Madagascar  0.7
09 Dec 2019 14:00 Andramy Madagascar  0.7
09 Dec 2019 15:00 Baly Madagascar  0.6
09 Dec 2019 12:00 Boanamary Madagascar  0.4
09 Dec 2019 12:00 Ampapamena Madagascar  0.3
09 Dec 2019 12:00 Masokoamena Madagascar  0.3
09 Dec 2019 11:00 Katsepy Madagascar  0.3
10 Dec 2019 18:00 Antanambao Samaka Madagascar  0.3
10 Dec 2019 18:00 Antohgo Madagascar  0.3
09 Dec 2019 12:00 Majunga Madagascar  0.3
10 Dec 2019 14:00 Tamotamo Madagascar  0.3
10 Dec 2019 14:00 Soahazo Madagascar  0.3
10 Dec 2019 16:00 Ambozaka Madagascar  0.3
10 Dec 2019 15:00 Moravano Madagascar  0.3
10 Dec 2019 17:00 Andopitaly Madagascar  0.2
10 Dec 2019 14:00 Ankoadavo Madagascar  0.2
09 Dec 2019 16:00 Andranovoribe Madagascar  0.2
10 Dec 2019 18:00 Andramasay Madagascar  0.2
10 Dec 2019 13:00 Appontement Madagascar  0.2
10 Dec 2019 11:00 Soahanina Madagascar  0.2
10 Dec 2019 19:00 Kivalo Est Madagascar  0.2
09 Dec 2019 18:00 Tsilambana Madagascar  0.2
09 Dec 2019 12:00 Antsianitia Madagascar  0.2
09 Dec 2019 10:00 Ambondrombe Madagascar  0.2
10 Dec 2019 20:00 Ankirijibe Madagascar  0.2
09 Dec 2019 12:00 Ampitilova Madagascar  0.1
10 Dec 2019 11:00 Reharaka Madagascar  0.1
09 Dec 2019 10:00 Marosakoa Madagascar  0.1
09 Dec 2019 09:00 Ampasitsilavitra Madagascar  0.1
09 Dec 2019 10:00 Berafia Madagascar  0.1
09 Dec 2019 19:00 Ambalabao Madagascar  0.1
09 Dec 2019 19:00 Bevatry Madagascar  0.1
09 Dec 2019 19:00 Kamendriky Madagascar  0.1
10 Dec 2019 20:00 Morondava Madagascar  0.1
08 Dec 2019 23:00 Ambalatsingy Madagascar  0.1
09 Dec 2019 11:00 Amboaboaka Madagascar  0.1
10 Dec 2019 19:00 Ankerefo Madagascar  0.1
10 Dec 2019 19:00 Manampatra Madagascar  0.1
10 Dec 2019 19:00 Vilamatsa Madagascar  0.1
10 Dec 2019 19:00 Voalavo Madagascar  0.1
08 Dec 2019 23:00 Ankinganomby Madagascar  0.1
08 Dec 2019 23:00 Anjiajia Madagascar  0.1
10 Dec 2019 08:00 Maintirano Madagascar  0.1
09 Dec 2019 11:00 Matahibory Madagascar  0.1
09 Dec 2019 11:00 Mahabo Madagascar  0.1
08 Dec 2019 23:00 Antonibe Madagascar  0.1