Overall Green alert Tropical Cyclone for CALVINIA-19
in Miscellaneous (French) Indian Ocean Islands, Mauritius
01 Jan 2020 12 UTC
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  • GDACS JTWC
Impact Single TC
  • GFS
  • HWRF
  • ECMWF
Impact based on all weather systems in the area

Impact

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

    Meteorological source GDACS
    Exposed countries Miscellaneous (French) Indian Ocean Islands, Mauritius
    Exposed population No people in Category 1 or higher
    Maximum wind speed 130 km/h
    Maximum storm surge 0.1 m (30 Dec 16:00 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
    Current 102 km/h 0.1 m n.a. 0.5
    Overall 130 km/h 0.1 m n.a. 0.5

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

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    Wind

      102 km/h Current Max.

      Up to 1.4 million people in Tropical Storm strength or higher (see SSHS)

      Impact Timeline

        Alert N° Date (UTC) Max Winds (km/h) Population in
        Tropical Storm or higher        		 Population in
        Cat 1. or higher        		 Countries
        Green 1 29 Dec 2019 12:00 93 1.3 million No people Mauritius
        Green 2 30 Dec 2019 00:00 102 1.4 million No people Mauritius, Miscellaneous (French) Indian Ocean Islands
        Green 3 30 Dec 2019 12:00 111 1.4 million No people Mauritius, Miscellaneous (French) Indian Ocean Islands
        Green 4 31 Dec 2019 00:00 120 1.4 million No people Mauritius, Miscellaneous (French) Indian Ocean Islands
        Green 5 31 Dec 2019 12:00 130 1.4 million No people Mauritius, Miscellaneous (French) Indian Ocean Islands
        Green 6 01 Jan 2020 00:00 130 1.4 million No people Mauritius, Miscellaneous (French) Indian Ocean Islands
        Green 7 01 Jan 2020 12:00 102 1.4 million No people Miscellaneous (French) Indian Ocean Islands, Mauritius

        Bulletin Timeline

          Alert N° 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 29 Dec 2019 12:00 Tropical storm 65 no people 1.3 million people -19.4, 59.8 Mauritius
          GREEN
          		 2 30 Dec 2019 00:00 Tropical storm 65 no people 1.4 million people -20.6, 58.8 Miscellaneous (French) Indian Ocean Islands
          GREEN
          		 3 30 Dec 2019 12:00 Tropical storm 93 no people 1.3 million people -20.7, 58.2 Mauritius
          GREEN
          		 4 31 Dec 2019 00:00 Tropical storm 111 no people 1.3 million people -21.1, 58 Mauritius
          GREEN
          		 5 31 Dec 2019 12:00 Category 1 130 no people no people -22.5, 58.4
          GREEN
          		 6 01 Jan 2020 00:00 Category 1 130 no people no people -25.2, 60.1
          GREEN
          		 7 01 Jan 2020 12:00 Tropical storm 102 no people no people -29.1, 61.1
          GREEN
          		 7 02 Jan 2020 00:00 Tropical storm 93 no people no people -33, 63.3
          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
          Reunion
          Mauritius

          Provinces

          Region Province Country
          Reunion Miscellaneous (French) Indian Ocean Islands
          Mauritius Mauritius

          Populated places

          Name Region Province Country City class Population
          Port Louis Mauritius Capital 150000 people

          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)
          Plaisance International MRU 57 Civ. Paved Yes 9900

          Ports

          Name LOCODE Country
          Mahebourg Mauritius
          Port Louis MUPLU Mauritius
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          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.

          ...

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          StormSurge

          0.1 m

          The maximum Storm surge height is  0.1m in Maheboug, Mauritius. This height is estimated for 30 Dec 2019 16:00 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 (4 locations). Calculation based on advisory number 7 of 01 Jan 2020 12:00:00 UTC. (Simulation using 0.5 minute resolution)

          Alert Date (UTC) Name Country Storm surge height (m)
          30 Dec 2019 16:00 Maheboug Mauritius  0.1
          30 Dec 2019 12:00 Grande Reviere Sud Est Mauritius  0.1
          30 Dec 2019 16:00 Riche-en-Eau Mauritius  0.1
          30 Dec 2019 21:00 Souillac Mauritius  0.1