Overall Green alert Tropical Cyclone for CHAMPI-21
in Guam
21 Jun 2021 06 UTC
click on to select bulletin time
  • GDACS JTWC
Impact Single TC
Impact based on all weather systems in the area

Impact

    Tropical Cyclone CHAMPI-21 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

    Meteorological source GDACS
    Exposed countries Guam
    Exposed population No people in Category 1 or higher
    Maximum wind speed 120 km/h
    Maximum storm surge 0.2 m (21 Jun 19:00 UTC)
    Vulnerability --

    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 83 km/h 0.2 m n.a. 0.5
    Overall 120 km/h 0.2 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

      83 km/h Current Max.

      Up to 160000 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 21 Jun 2021 00:00 83 Few people No people Guam
        Green 2 21 Jun 2021 06:00 83 160 thousand No people Guam

        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 21 Jun 2021 00:00 Tropical depression 56 no people no people 11.2, 147.4
          GREEN
          		 2 21 Jun 2021 06:00 Tropical depression 56 no people 160000 people 11.8, 146.5
          GREEN
          		 2 21 Jun 2021 18:00 Tropical storm 65 no people 160000 people 12.8, 144.6
          GREEN
          		 2 22 Jun 2021 06:00 Tropical storm 65 no people no people 13.8, 143
          GREEN
          		 2 22 Jun 2021 18:00 Tropical storm 74 no people no people 15.1, 141.7
          GREEN
          		 2 23 Jun 2021 06:00 Tropical storm 83 no people no people 16.4, 140.7
          GREEN
          		 2 24 Jun 2021 06:00 Tropical storm 83 no people no people 19.5, 139.7
          GREEN
          		 2 25 Jun 2021 06:00 Tropical storm 74 no people <1000 people 23.4, 139.5
          GREEN
          		 2 26 Jun 2021 06:00 Tropical storm 65 no people no people 29.2, 140.9
          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
          Guam

          Provinces

          Region Province Country
          Guam Guam

          Populated places

          Name Region Province Country City class Population
          Hagåtña Guam 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)
          Andersen AFB UAM 191 0
          A.B. Won Pat International GUM 91 0
          Iwo To (Iwo Jima) IWO 113 Mil. Paved Yes 8700

          Ports

          Name LOCODE Country
          Apra (Agana) GUAPR Guam
          Apra Harbor Guam
          Iwo Jima Japan
          Muko Japan
          Tori Island Japan
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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

          0.2 m

          The maximum Storm surge height is  0.2m in Umatac, Guam. This height is estimated for 21 Jun 2021 19:00 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 (36 locations). Calculation based on advisory number 2 of 21 Jun 2021 06:00:00 UTC. (Simulation using 6 minute resolution)

          Alert Date (UTC) Name Country Storm surge height (m)
          21 Jun 2021 19:00 Umatac Guam  0.2
          21 Jun 2021 19:00 Merizo Guam  0.2
          21 Jun 2021 17:00 Inarajan Guam  0.2
          21 Jun 2021 17:00 Agat Guam  0.2
          21 Jun 2021 17:00 Santa Rita Guam  0.2
          21 Jun 2021 17:00 Talofofo Guam  0.2
          21 Jun 2021 17:00 Ylig Guam  0.2
          21 Jun 2021 17:00 Lockwood Terrace Guam  0.1
          21 Jun 2021 17:00 Camp Bright Guam  0.1
          21 Jun 2021 17:00 Piti Guam  0.1
          21 Jun 2021 17:00 Asan Guam  0.1
          21 Jun 2021 17:00 Hagatna Guam  0.1
          21 Jun 2021 17:00 Sinajana Guam  0.1
          21 Jun 2021 17:00 Mongmong Guam  0.1
          21 Jun 2021 17:00 Yona Guam  0.1
          21 Jun 2021 17:00 Tamuning Guam  0.1
          21 Jun 2021 17:00 Barrigada Guam  0.1
          21 Jun 2021 17:00 Camp Quezon Guam  0.1
          21 Jun 2021 17:00 Asbeco Guam  0.1
          21 Jun 2021 17:00 Adacao Guam  0.1
          21 Jun 2021 17:00 Harmon Village Guam  0.1
          21 Jun 2021 17:00 Oceanview Guam  0.1
          21 Jun 2021 17:00 Dededo Guam  0.1
          21 Jun 2021 17:00 South Acres Guam  0.1
          21 Jun 2021 17:00 Ipapao Guam  0.1
          21 Jun 2021 17:00 Potts Junction Guam  0.1
          21 Jun 2021 17:00 Perez Acres Guam  0.1
          21 Jun 2021 17:00 Spring Hill Subdivision Guam  0.1
          21 Jun 2021 17:00 Upi Guam  0.1
          21 Jun 2021 17:00 Gayinero Guam  0.1
          21 Jun 2021 17:00 Asatdas Guam  0.1
          21 Jun 2021 17:00 Lupog Guam  0.1
          21 Jun 2021 17:00 Songsong Northern Mariana Islands  0.1
          21 Jun 2021 17:00 Teteto Northern Mariana Islands  0.1
          21 Jun 2021 17:00 Rota Northern Mariana Islands  0.1
          21 Jun 2021 17:00 Sinapalo Northern Mariana Islands  0.1