Overall Green alert Tropical Cyclone for MANGGA-20
in Australia, Cocos (Keeling) Islands
23 May 2020 18 UTC
click on to select bulletin time
  • GDACS JTWC
Impact Single TC
Impact based on all weather systems in the area

Impact

    Tropical Cyclone MANGGA-20 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

    Meteorological source GDACS
    Exposed countries Australia, Cocos (Keeling) Islands
    Exposed population No people in Category 1 or higher
    Maximum wind speed 74 km/h
    Maximum storm surge n.a.
    Vulnerability Low (Australia)

    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 74 km/h n.a. n.a. 0.5
    Overall 74 km/h 0.0 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

      74 km/h Current Max.

      Up to 64000 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 2 21 May 2020 06:00 102 2.3 million No people Australia
        Green 3 21 May 2020 12:00 93 2.3 million No people Cocos (Keeling) Islands, Australia
        Green 4 21 May 2020 18:00 93 100 thousand No people Cocos (Keeling) Islands, Australia
        Green 5 22 May 2020 00:00 93 70 thousand No people Cocos (Keeling) Islands, Australia
        Green 6 22 May 2020 06:00 83 130 thousand No people Cocos (Keeling) Islands, Australia
        Green 7 22 May 2020 12:00 83 80 thousand No people Cocos (Keeling) Islands, Australia
        Green 8 22 May 2020 18:00 74 2.2 million No people Cocos (Keeling) Islands, Australia
        Green 9 23 May 2020 00:00 74 650 thousand No people Cocos (Keeling) Islands, Australia
        Green 10 23 May 2020 06:00 74 2.3 million No people Cocos (Keeling) Islands, Australia
        Green 11 23 May 2020 12:00 74 90 thousand No people Cocos (Keeling) Islands, Australia
        Green 12 23 May 2020 18:00 74 60 thousand No people Australia, Cocos (Keeling) Islands

        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
          		 2 21 May 2020 06:00 Tropical storm 65 no people no people -9.1, 92.2
          GREEN
          		 3 21 May 2020 12:00 Tropical storm 65 no people no people -9.3, 92.5
          GREEN
          		 4 21 May 2020 18:00 Tropical storm 65 no people no people -9.8, 93.1
          GREEN
          		 5 22 May 2020 00:00 Tropical storm 65 no people <1000 people -10.6, 93.8 Cocos (Keeling) Islands
          GREEN
          		 6 22 May 2020 06:00 Tropical storm 65 no people <1000 people -11.1, 94.2 Cocos (Keeling) Islands
          GREEN
          		 7 22 May 2020 12:00 Tropical storm 65 no people <1000 people -12.5, 95.2 Cocos (Keeling) Islands
          GREEN
          		 8 22 May 2020 18:00 Tropical storm 65 no people <1000 people -14.2, 95.9 Cocos (Keeling) Islands
          GREEN
          		 9 23 May 2020 00:00 Tropical storm 65 no people no people -15.6, 96.6
          GREEN
          		 10 23 May 2020 06:00 Tropical storm 65 no people no people -17.7, 98.9
          GREEN
          		 11 23 May 2020 12:00 Tropical storm 65 no people no people -19.2, 100.8
          GREEN
          		 12 23 May 2020 18:00 Tropical storm 65 no people 64000 people -21.6, 104.7 Australia
          GREEN
          		 12 24 May 2020 06:00 Tropical storm 74 no people no people -26.3, 110.7
          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
          Australia
          Cocos Is.

          Provinces

          Region Province Country
          Western Australia Australia
          Cocos Is. Cocos (Keeling) Islands

          Populated places

          Name Region Province Country City class Population
          Exmouth Western Australia Australia City -
          Geraldton Western Australia Australia City 27000 people
          West Island Cocos (Keeling) Islands Capital <1000 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)
          Learmonth LEA 6 Mil. Paved Yes 9900
          Exmouth Gulf EXM unknown 0
          Useless Loop USL unknown 0
          Carnarvon CVQ 4 Civ. Paved Yes 5500
          Shark Bay MJK 34 Priv. Paved No 5500
          Gascoyne Junction GSC unknown 0
          Kalbarri KAX unknown 0
          Geraldton GET 37 Civ. Paved Yes 6400
          Dongara DOX unknown 0
          Mullewa MXU unknown 0
          Cocos Is CCK 3 Civ. Paved Yes 7900
          Eneabba ENB unknown 0
          Jurien Bay JUR unknown 0
          Morawa MWB 270 Civ. Unpaved Yes 3000
          Yalgoo YLG unknown 0

          Ports

          Name LOCODE Country
          Cape Cuvier Coral Sea Islands
          Maud Landing Coral Sea Islands
          Learmonth Coral Sea Islands
          Exmouth AUPEX Coral Sea Islands
          Port Exmouth Coral Sea Islands
          Carnarvon AUCVQ Coral Sea Islands
          Denham Coral Sea Islands
          Useless Loop AUUSL Coral Sea Islands
          Hamelin Pool Coral Sea Islands
          Bluff Point Coral Sea Islands
          Port Gregory Coral Sea Islands
          Geraldton AUGET Coral Sea Islands
          Dongarra Coral Sea Islands
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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

          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.