Overall Red alert Tropical Cyclone for IRMA-17
in United States, Bahamas, Cuba, Turks and Caicos Islands, Dominican Republic, Puerto Rico, Virgin Islands, U.S., British, Anguilla, Saint Kitts and Nevis, Antigua and Barbuda, Guadeloupe, Montserrat,
31 Aug 2017 09 UTC
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  • GDACS NOAA
Impact Single TC
Impact based on all weather systems in the area

Impact

    Tropical Cyclone IRMA-17 can have a high humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

    Meteorological source GDACS
    Exposed countries United States, Bahamas, Cuba, Turks and Caicos Islands, Dominican Republic, Puerto Rico, Virgin Islands, U.S., British, Anguilla, Saint Kitts and Nevis, Antigua and Barbuda, Guadeloupe, Montserrat,
    Exposed population 16.4 million in Category 1 or higher
    Maximum wind speed 296 km/h
    Maximum storm surge
    Vulnerability Medium (Anguilla)

    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 194 km/h 0.0 m n.a. 0.5
    Overall 296 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

      194 km/h Current Max.

      Up to no people in Category 1 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 30 Aug 2017 15:00 148 No people No people
        Green 2 30 Aug 2017 21:00 167 No people No people
        Green 3 31 Aug 2017 03:00 194 No people No people
        Green 4 31 Aug 2017 09:00 194 No people No people

        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 30 Aug 2017 15:00 Tropical storm 83 no people no people 16.4, -30.3
          GREEN
          		 2 30 Aug 2017 21:00 Tropical storm 93 no people no people 16.4, -31.2
          GREEN
          		 3 31 Aug 2017 03:00 Tropical storm 102 no people no people 16.4, -32.2
          GREEN
          		 4 31 Aug 2017 09:00 Tropical storm 111 no people no people 16.5, -32.9
          GREEN
          		 4 31 Aug 2017 18:00 Category 1 130 no people no people 17, -34.2
          GREEN
          		 4 01 Sep 2017 06:00 Category 1 148 no people no people 17.6, -36
          GREEN
          		 4 01 Sep 2017 18:00 Category 2 157 no people no people 18, -37.9
          GREEN
          		 4 02 Sep 2017 06:00 Category 2 167 no people no people 18.2, -40.1
          GREEN
          		 4 03 Sep 2017 06:00 Category 3 185 no people no people 17.5, -45
          GREEN
          		 4 04 Sep 2017 06:00 Category 3 194 no people no people 16.7, -49.5
          GREEN
          		 4 05 Sep 2017 06:00 Category 3 194 no people no people 16, -53.5
          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

          Critical infrastructure

          Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

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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 m

          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 (0 locations). Calculation based on advisory number 2 of 30 Aug 2017 21:00:00 UTC. (Simulation using 6 minute resolution)

          Alert Date (UTC) Name Country Storm surge height (m)