Overall Green Tropical Cyclone for INDUSA-26
Off-shore

Impact

Tropical Cyclone INDUSA-26 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source ECMWF
Exposed countries
Exposed population No people in Category 1 or higher
Maximum wind speed 133 km/h
Maximum storm surge 2.0 m (01 Apr 06:45 UTC)
Vulnerability --

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
ECMWF Current 133 km/h 1.2 m 112 mm 0.5
ECMWF Overall 133 km/h 2.0 m 267 mm 0.5

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



Wind exposed population - AoIs

No exposed population (in Tropical Storm or higher) based on the bulletin of 06 Apr 2026 00:00 UTC (Overall situation)

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 01 Apr 2026 00:00 65 - - - - - - -
GREEN 2 01 Apr 2026 12:00 83 - - - - - - -
GREEN 3 02 Apr 2026 00:00 76 - - - - - - -
GREEN 4 02 Apr 2026 12:00 83 - - - - - - -
GREEN 5 03 Apr 2026 00:00 90 - - - - - - -
GREEN 6 03 Apr 2026 12:00 108 - - - - - - -
GREEN 7 04 Apr 2026 00:00 97 - - - - - - -
GREEN 8 04 Apr 2026 12:00 86 - - - - - - -
GREEN 9 05 Apr 2026 00:00 94 - - - - - - -
GREEN 10 05 Apr 2026 12:00 94 - - - - - - -
GREEN 11 06 Apr 2026 00:00 133 - - - - - - -
Download:





Impact estimation for the next 72h

Rainfall

267 mm

No people can be affected by rain higher than 100mm (see SSHS)





Rain exposed population - AoIs

Estimations based on the bulletin of 06 Apr 2026 00:00 UTC (Overall situation)
LevelCountryPopulation 
50-100 mmSeychelles, Mauritius, Reunion25,001
+
Seychelles230 
Other countries190 
Mauritius86 
Reunion24,493 

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 01 Apr 2026 00:00 200 - - - - - - -
Blue 2 01 Apr 2026 12:00 118 - - - - - - -
Blue 3 02 Apr 2026 00:00 139 - - - - - - -
Blue 4 02 Apr 2026 12:00 97 - - - - - - -
Blue 5 03 Apr 2026 00:00 116 - - - - - - -
Blue 6 03 Apr 2026 12:00 134 - - - - - - -
Blue 7 04 Apr 2026 00:00 141 - - - - - - -
Blue 8 04 Apr 2026 12:00 118 - - - - - - -
Blue 9 05 Apr 2026 00:00 128 - - - - - - -
Blue 10 05 Apr 2026 12:00 128 - - - - - - -
Blue 11 06 Apr 2026 00:00 112 - - - - - - -




Impact estimation for the next 72h

StormSurge

2 m

The maximum Storm surge height is  2.0m in Port Couvreux, French Southern and Antarctic Lands. This height is estimated for 01 Apr 2026 06:45 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

Estimations based on the bulletin of 06 Apr 2026 00:00 UTC (Overall situation)
LevelCountryPopulation 
0.25 - 0.5 mSeychelles61,477 

Storm Surge Exposed locations

Calculation based on the bulletin of 06 Apr 2026 00:00 UTC (Overall situation)
    
Level Date (UTC) Name Country Storm surge height (m)
01 Apr 2026 06:45 Port Couvreux French Southern and Antarctic Lands  2.0
04 Apr 2026 00:15 Victoria Seychelles  0.5
04 Apr 2026 00:00 Anse Volbert Village Seychelles  0.5
04 Apr 2026 00:00 La Reunion Seychelles  0.5
04 Apr 2026 00:15 Anse Boileau Seychelles  0.4
03 Apr 2026 04:15 Saint-Antoine Mauritius  0.2
03 Apr 2026 04:15 Riviere du Rempart Mauritius  0.2
04 Apr 2026 01:00 Trou aux Biches Mauritius  0.2
03 Apr 2026 14:45 Riche-en-Eau Mauritius  0.2
03 Apr 2026 14:45 Maheboug Mauritius  0.2
03 Apr 2026 14:45 Grande Reviere Sud Est Mauritius  0.2
04 Apr 2026 01:00 Saint-Denis Reunion  0.2
04 Apr 2026 01:00 Saint-Marie Reunion  0.2
04 Apr 2026 01:00 Sainte-Suzanne Reunion  0.2
04 Apr 2026 01:00 Saint-Andre Reunion  0.2
04 Apr 2026 01:00 Bras-Panon Reunion  0.2
04 Apr 2026 01:00 Saint-Benoit Reunion  0.2
04 Apr 2026 00:30 La Ferme Mauritius  0.2
04 Apr 2026 00:30 Port Mathurin Mauritius  0.2
03 Apr 2026 02:15 Sainte-Rose Reunion  0.2
03 Apr 2026 02:15 Cascades Reunion  0.2
04 Apr 2026 01:00 Saint-Paul Reunion  0.2
04 Apr 2026 01:00 Trois Bassins Reunion  0.2
04 Apr 2026 01:00 Le Port Reunion  0.2
04 Apr 2026 01:00 La Possession Reunion  0.2
04 Apr 2026 00:45 Saint-Leu Reunion  0.2
04 Apr 2026 00:45 Les Avirons Reunion  0.2
04 Apr 2026 01:15 Port Louis Mauritius  0.2
04 Apr 2026 00:45 Choisy Mauritius  0.2
04 Apr 2026 00:45 Black River Mauritius  0.2
04 Apr 2026 00:45 Chemin Grenier Mauritius  0.2
04 Apr 2026 00:45 Etang Sale Reunion  0.1
04 Apr 2026 00:45 Saint-Louis Reunion  0.1
04 Apr 2026 00:30 Saint-Pierre Reunion  0.1
04 Apr 2026 00:30 Petite Ile Reunion  0.1
04 Apr 2026 00:30 Saint-Joseph Reunion  0.1
04 Apr 2026 00:45 Souillac Mauritius  0.1
04 Apr 2026 00:30 Saint-Philippe Reunion  0.1
03 Apr 2026 11:00 Point Marianne British Indian Ocean Territory  0.1
03 Apr 2026 11:00 East Point Plantation British Indian Ocean Territory  0.1