Overall Green alert Tropical Cyclone for DIANE-20
in Mauritius
24 Jan 2020 00 UTC
click on to select bulletin time
Impact Single TC
Impact based on all weather systems in the area

Impact

Tropical Cyclone DIANE-20 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 76 km/h
Maximum storm surge 0.1 m (24 Jan 11:15 UTC)
Vulnerability Medium (Mauritius)

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 76 km/h 0.1 m 265 mm 0.5
ECMWF Overall 104 km/h 0.3 m 632 mm 0.5

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

TOP

Wind

104 km/h

No people by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

No exposed population (in Tropical Storm or higher) based on the bulletin of 24 Jan 2020 00:00 UTC

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 Jan 2020 00:00 97 - - - - - - -
Download:





Impact estimation for the next 72h
TOP

Rainfall





Rain exposed population - AoIs

Estimations based on the bulletin of 24 Jan 2020 00:00 UTC
LevelCountryPopulation 
100-250 mmReunion334,766 
50-100 mmMauritius, Reunion689,068
+
Mauritius238,243 
Reunion450,825 

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 Jan 2020 00:00 470 330 thousand
- - - - Mauritius, Reunion




Impact estimation for the next 72h
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StormSurge

0.1 m

The maximum Storm surge height is  0.1m in Saint-Paul, Reunion. This height is estimated for 24 Jan 2020 11:15 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 24 Jan 2020 00:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
24 Jan 2020 11:15 Saint-Paul Reunion  0.1
24 Jan 2020 11:15 Saint-Leu Reunion  0.1
24 Jan 2020 11:15 Trois Bassins Reunion  0.1
24 Jan 2020 11:15 Le Port Reunion  0.1
24 Jan 2020 11:15 La Possession Reunion  0.1
24 Jan 2020 12:00 Saint-Denis Reunion  0.1
24 Jan 2020 12:00 Saint-Marie Reunion  0.1
24 Jan 2020 12:00 Sainte-Suzanne Reunion  0.1
24 Jan 2020 12:00 Saint-Andre Reunion  0.1
24 Jan 2020 04:00 Les Avirons Reunion  0.1
24 Jan 2020 04:00 Etang Sale Reunion  0.1
24 Jan 2020 04:00 Saint-Louis Reunion  0.1
24 Jan 2020 04:00 Saint-Pierre Reunion  0.1
24 Jan 2020 04:00 Petite Ile Reunion  0.1
24 Jan 2020 12:00 Trou aux Biches Mauritius  0.1
24 Jan 2020 12:00 Saint-Antoine Mauritius  0.1
24 Jan 2020 12:00 Riviere du Rempart Mauritius  0.1
24 Jan 2020 04:00 Saint-Joseph Reunion  0.1