Overall Green alert Tropical Cyclone for EIGHTEEN-21
in Australia
31 Jan 2021 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 EIGHTEEN-21 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

    Meteorological source GDACS
    Exposed countries Australia
    Exposed population No people in Category 1 or higher
    Maximum wind speed 65 km/h
    Maximum storm surge 0.6 m (02 Feb 21:00 UTC)
    Vulnerability Low (Australia)
    Landfall between
    31 Jan 2021 12:00 - 31 Jan 2021 18:00
    in 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 93 km/h 0.6 m n.a. 0.5
    Overall 65 km/h 0.6 m n.a. 0.5

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

    TOP

    Wind

      93 km/h Current Max.

      Up to <1000 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 31 Jan 2021 12:00 93 Few people No people Australia
        Green 2 31 Jan 2021 18:00 93 Few people No people Australia

        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 31 Jan 2021 12:00 Tropical depression 56 no people no people -21.4, 121.1
          GREEN
          		 2 31 Jan 2021 18:00 Tropical depression 56 no people no people -21.3, 119.8 Australia
          GREEN
          		 2 01 Feb 2021 06:00 Tropical depression 56 no people no people -21.5, 117.7 Australia
          GREEN
          		 2 01 Feb 2021 18:00 Tropical depression 56 no people no people -22, 115.8 Australia
          GREEN
          		 2 02 Feb 2021 06:00 Tropical depression 56 no people <1000 people -22.6, 114.1 Australia
          GREEN
          		 2 02 Feb 2021 18:00 Tropical storm 74 no people <1000 people -23.1, 112.9
          GREEN
          		 2 03 Feb 2021 18:00 Tropical storm 93 no people no people -22.9, 111.2
          GREEN
          		 2 04 Feb 2021 18:00 Tropical storm 83 no people no people -23.6, 109.8
          GREEN
          		 2 05 Feb 2021 18:00 Tropical storm 74 no people no people -25.6, 109.6
          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

          Provinces

          Region Province Country
          Western Australia Australia

          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)
          Exmouth Gulf EXM unknown 0
          Learmonth LEA 6 Mil. Paved Yes 9900

          Ports

          Name LOCODE Country
          Exmouth AUPEX Coral Sea Islands
          Learmonth Coral Sea Islands
          Maud Landing Coral Sea Islands
          Cape Cuvier Coral Sea Islands
          TOP

          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.

          ...

          TOP

          StormSurge

          0.6 m

          The maximum Storm surge height is  0.6m in Mardie, Australia. This height is estimated for 02 Feb 2021 21:00 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 (32 locations). Calculation based on advisory number 2 of 31 Jan 2021 18:00:00 UTC. (Simulation using 0.5 minute resolution)

          Alert Date (UTC) Name Country Storm surge height (m)
          02 Feb 2021 21:00 Mardie Australia  0.6
          04 Feb 2021 18:00 Denham Australia  0.6
          04 Feb 2021 18:00 Learmonth Australia  0.6
          02 Feb 2021 20:00 Wickham Australia  0.6
          02 Feb 2021 20:00 Point Samson Australia  0.6
          02 Feb 2021 20:00 Cossack Australia  0.6
          02 Feb 2021 21:00 East Lewis I Australia  0.5
          04 Feb 2021 18:00 Useless Loop Australia  0.4
          04 Feb 2021 17:00 Glenroy Australia  0.4
          04 Feb 2021 18:00 Dirk Hartog Australia  0.4
          04 Feb 2021 18:00 Carrarang Australia  0.4
          04 Feb 2021 18:00 Tamala Australia  0.4
          02 Feb 2021 21:00 Condon Australia  0.4
          04 Feb 2021 18:00 Exmouth Australia  0.4
          03 Feb 2021 01:00 Derby Australia  0.3
          04 Feb 2021 18:00 Shark Bay Australia  0.3
          02 Feb 2021 23:00 Thangoo Australia  0.2
          02 Feb 2021 23:00 Broome Australia  0.2
          02 Feb 2021 21:00 Ah Chong I Australia  0.2
          04 Feb 2021 18:00 Nanga Australia  0.2
          02 Feb 2021 20:00 Cardabia Australia  0.2
          04 Feb 2021 18:00 Carnarvon Australia  0.2
          02 Feb 2021 23:00 Waterbank Australia  0.2
          02 Feb 2021 11:00 Ningaloo Australia  0.2
          02 Feb 2021 23:00 Kennedys Cottage Australia  0.2
          02 Feb 2021 11:00 Bundera Bundera Australia  0.1
          04 Feb 2021 18:00 Quobba Australia  0.1
          04 Feb 2021 18:00 Cape Cuvier Australia  0.1
          02 Feb 2021 23:00 Warroora Australia  0.1
          03 Feb 2021 00:00 Pender Australia  0.1
          02 Feb 2021 23:00 Kollan I Australia  0.1
          03 Feb 2021 10:00 Gnaraloo Australia  0.1