Overall Red alert Tropical Cyclone for YASA-20
in Fiji,
20 Dec 2020 00 UTC
click on to select bulletin time
  • GDACS JTWC
Impact Single TC
Impact based on all weather systems in the area

Impact

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

    Meteorological source GDACS
    Exposed countries Fiji,
    Exposed population 160 thousand in Category 1 or higher
    Maximum wind speed 259 km/h
    Maximum storm surge 1.2 m (17 Dec 06:00 UTC)
    Vulnerability Medium (Fiji)

    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 1.2 m n.a. 0.5
    Overall 259 km/h 1.2 m n.a. 2.5

    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 1000000 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 12 Dec 2020 12:00 204 2 thousand No people
        Green 2 12 Dec 2020 18:00 185 730 thousand No people Fiji
        Green 3 13 Dec 2020 00:00 176 330 thousand No people Fiji
        Green 4 13 Dec 2020 06:00 176 350 thousand No people Fiji
        Green 5 13 Dec 2020 12:00 176 710 thousand No people Fiji
        Orange 6 13 Dec 2020 18:00 185 760 thousand 30 thousand Fiji
        Red 7 14 Dec 2020 00:00 194 800 thousand 250 thousand Fiji
        Red 8 14 Dec 2020 06:00 194 910 thousand 690 thousand Fiji
        Red 9 14 Dec 2020 12:00 185 910 thousand 730 thousand Fiji
        Red 10 14 Dec 2020 18:00 204 910 thousand 670 thousand Fiji
        Red 11 15 Dec 2020 00:00 213 910 thousand 480 thousand Fiji
        Red 12 15 Dec 2020 06:00 213 910 thousand 490 thousand Fiji
        Red 13 15 Dec 2020 12:00 213 910 thousand 490 thousand Fiji
        Orange 14 15 Dec 2020 18:00 222 910 thousand 90 thousand Fiji
        Red 15 16 Dec 2020 00:00 222 920 thousand 110 thousand Fiji
        Red 16 16 Dec 2020 06:00 241 910 thousand 160 thousand Fiji
        Red 17 16 Dec 2020 12:00 259 910 thousand 140 thousand Fiji
        Red 18 16 Dec 2020 18:00 241 910 thousand 150 thousand Fiji
        Red 19 17 Dec 2020 00:00 241 980 thousand 140 thousand Fiji
        Green 20 17 Dec 2020 06:00 241 1000 thousand 160 thousand Fiji
        Orange 21 17 Dec 2020 12:00 213 1000 thousand 160 thousand Fiji
        Green 22 17 Dec 2020 18:00 157 1000 thousand 160 thousand Fiji
        Green 23 18 Dec 2020 00:00 139 1000 thousand 160 thousand Fiji
        Green 24 18 Dec 2020 06:00 139 1000 thousand 160 thousand Fiji
        Green 25 18 Dec 2020 12:00 130 1000 thousand 160 thousand Fiji
        Green 26 18 Dec 2020 18:00 111 990 thousand 160 thousand Fiji
        Green 27 19 Dec 2020 00:00 93 1000 thousand 160 thousand Fiji
        Green 28 19 Dec 2020 06:00 83 1000 thousand 160 thousand Fiji
        Green 29 19 Dec 2020 12:00 93 1000 thousand 160 thousand Fiji
        Green 30 19 Dec 2020 18:00 93 1000 thousand 160 thousand Fiji
        Green 31 20 Dec 2020 00:00 93 1000 thousand 160 thousand Fiji

        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 12 Dec 2020 12:00 Tropical storm 65 no people no people -13.7, 172.9
          GREEN
          		 2 12 Dec 2020 18:00 Tropical storm 65 no people no people -14.2, 173.7
          GREEN
          		 3 13 Dec 2020 00:00 Tropical storm 74 no people no people -15.1, 173.3
          GREEN
          		 4 13 Dec 2020 06:00 Tropical storm 83 no people no people -15.3, 172.7
          GREEN
          		 5 13 Dec 2020 12:00 Tropical storm 83 no people no people -15.5, 172.6
          GREEN
          		 6 13 Dec 2020 18:00 Tropical storm 102 no people no people -15.7, 172.3
          GREEN
          		 7 14 Dec 2020 00:00 Tropical storm 111 no people no people -15.8, 171.9
          GREEN
          		 8 14 Dec 2020 06:00 Category 1 120 no people no people -15.8, 171.7
          GREEN
          		 9 14 Dec 2020 12:00 Category 1 120 no people no people -15.6, 171.6
          GREEN
          		 10 14 Dec 2020 18:00 Category 1 148 no people no people -15.4, 172.1
          GREEN
          		 11 15 Dec 2020 00:00 Category 2 157 no people no people -15, 172.4
          GREEN
          		 12 15 Dec 2020 06:00 Category 3 194 no people no people -14.9, 173
          GREEN
          		 13 15 Dec 2020 12:00 Category 4 222 no people no people -14.8, 173.1
          GREEN
          		 14 15 Dec 2020 18:00 Category 4 250 no people no people -14.7, 173.5
          GREEN
          		 15 16 Dec 2020 00:00 Category 5 259 no people 7400 people -14.6, 174.1
          GREEN
          		 16 16 Dec 2020 06:00 Category 5 259 no people 480000 people -15, 175
          GREEN
          		 17 16 Dec 2020 12:00 Category 5 259 2000 people 890000 people -15.2, 175.6
          ORANGE
          		 18 16 Dec 2020 18:00 Category 4 250 61000 people 910000 people -15.5, 176.7
          RED
          		 19 17 Dec 2020 00:00 Category 4 241 130000 people 910000 people -16, 177.7
          GREEN
          		 20 17 Dec 2020 06:00 Category 4 241 no people no people -16.5, 178.8
          ORANGE
          		 21 17 Dec 2020 12:00 Category 4 213 56000 people 910000 people -17.2, -179.9
          GREEN
          		 22 17 Dec 2020 18:00 Category 2 157 8800 people 910000 people -17.9, -179.4
          GREEN
          		 23 18 Dec 2020 00:00 Category 1 139 4100 people 520000 people -18.3, -178.9
          GREEN
          		 24 18 Dec 2020 06:00 Category 1 139 1900 people 130000 people -19.1, -178.3
          GREEN
          		 25 18 Dec 2020 12:00 Category 1 130 <1000 people 96000 people -19.7, -177.9
          GREEN
          		 26 18 Dec 2020 18:00 Tropical storm 111 no people 74000 people -20.3, -178
          GREEN
          		 27 19 Dec 2020 00:00 Tropical storm 93 no people 90000 people -21, -178.3
          GREEN
          		 28 19 Dec 2020 06:00 Tropical storm 83 no people 86000 people -21.7, -178
          GREEN
          		 29 19 Dec 2020 12:00 Tropical storm 93 no people 6700 people -22.1, -177.8
          GREEN
          		 30 19 Dec 2020 18:00 Tropical storm 93 no people <1000 people -22.8, -178
          GREEN
          		 31 20 Dec 2020 00:00 Tropical storm 93 no people <1000 people -23.3, -178.1
          GREEN
          		 31 20 Dec 2020 12:00 Tropical storm 83 no people no people -24.1, -178.7
          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
          Tonga
          Fiji

          Provinces

          Region Province Country
          Tonga Tonga
          Fiji Fiji

          Populated places

          Name Region Province Country City class Population
          Nuku'alofa Tonga Capital 24000 people
          Soso Fiji City -
          Nasau Fiji City -
          Suva Fiji Capital 200000 people
          Nausori Fiji City 32000 people
          Navua Fiji City 5900 people
          Levuka Fiji City 4700 people
          Korovou Fiji City <1000 people
          Sigatoka Fiji City 12000 people
          Momi Fiji City -
          Nadi Fiji Major city 54000 people
          Vatukoula Fiji City 10000 people
          Tavua Fiji City 2600 people
          Ba Fiji City 20000 people
          Lautoka Fiji City 49000 people
          Somosomo Fiji City -

          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)
          Ono-I-Lau ONU unknown 0
          Fua'amotu International TBU 38 Civ. Paved Yes 8700
          Eua Kaufana EUA unknown 0
          Moala MFJ unknown 0
          Kandavu KDV unknown 0
          Ngau NGI unknown 0
          Nausori SUV 5 Civ. Paved Yes 6100
          Pacific Harbour Dueba PHR unknown 0
          Vatulele VTF unknown 0
          Wakaya Island KAY unknown 0
          Bureta Levuka Air LEV unknown 0
          Koro KXF unknown 0
          Korolevu KVU unknown 0
          Natadola NTA unknown 0
          Matei TVU 21 Civ. Unpaved Yes 2900
          Cicia ICI unknown 0
          Vatukoula VAU unknown 0
          Nadi International NAN 18 Civ. Paved Yes 10500
          Laucala Island LUC unknown 0
          Saqani AQS unknown 0
          Ba BFJ unknown 0
          Malololailai PTF unknown 0
          Vanuabalavu VBV unknown 0
          Bua BVF unknown 0
          Labasa LBS 13 Civ. Paved Yes 3500
          Castaway CST unknown 0
          Turtle Island TTL unknown 0

          Ports

          Name LOCODE Country
          Ata Island Tonga
          Nuku'alofa TOTBU Tonga
          Eua Island Tonga
          Kandavu Island Fiji
          Suva FJSUV Fiji
          Levuka FJLEV Fiji
          Savusavu Fiji
          Vuda FJVUD Fiji
          Vatia FJVAT Fiji
          Lautoka FJLTK Fiji
          Labasa FJLBS Fiji
          Malau (Labasa) FJLBS Fiji
          Lambasa Fiji
          Malau Fiji
          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

          1.2 m

          The maximum Storm surge height is  1.2m in Navindamu, Fiji. This height is estimated for 17 Dec 2020 06:00 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 (114 locations). Calculation based on advisory number 31 of 20 Dec 2020 00:00:00 UTC. (Simulation using 0.5 minute resolution)

          Alert Date (UTC) Name Country Storm surge height (m)
          17 Dec 2020 06:00 Navindamu Fiji  1.2
          17 Dec 2020 07:00 Nagumu Fiji  1.1
          17 Dec 2020 08:00 Natua Fiji  0.9
          17 Dec 2020 07:00 Nanduri Fiji  0.8
          17 Dec 2020 07:00 Vatutandova Fiji  0.8
          17 Dec 2020 08:00 Mbangata Fiji  0.8
          17 Dec 2020 09:00 Naweni Fiji  0.8
          17 Dec 2020 09:00 Savusavu Fiji  0.7
          17 Dec 2020 09:00 Naindi Fiji  0.7
          17 Dec 2020 09:00 Korosi Fiji  0.7
          17 Dec 2020 09:00 Viani Fiji  0.7
          17 Dec 2020 05:00 Yangganga Fiji  0.7
          17 Dec 2020 06:00 Nawailevu Fiji  0.7
          17 Dec 2020 05:00 Navinggiri Fiji  0.6
          17 Dec 2020 07:00 Ndawara Fiji  0.6
          17 Dec 2020 11:00 Korovou Fiji  0.6
          17 Dec 2020 05:00 Savu Sau Fiji  0.6
          17 Dec 2020 07:00 Ndaria Fiji  0.6
          17 Dec 2020 07:00 Waisa Fiji  0.5
          17 Dec 2020 07:00 Rave-rave Fiji  0.5
          17 Dec 2020 07:00 Naruwai Fiji  0.5
          17 Dec 2020 08:00 Korotasere Fiji  0.5
          17 Dec 2020 08:00 Nakarambo Fiji  0.5
          17 Dec 2020 07:00 Ndalomo Fiji  0.5
          17 Dec 2020 11:00 Qeleni Fiji  0.4
          17 Dec 2020 07:00 Nasea Fiji  0.4
          17 Dec 2020 11:00 Mboma Fiji  0.4
          17 Dec 2020 09:00 Ndrekeniwai Fiji  0.4
          17 Dec 2020 11:00 Waiyevo Fiji  0.4
          17 Dec 2020 08:00 Vunivatu Fiji  0.4
          17 Dec 2020 22:00 Levuka Fiji  0.4
          17 Dec 2020 10:00 Vangai Fiji  0.4
          17 Dec 2020 20:00 Liku Fiji  0.4
          17 Dec 2020 09:00 Nukusa Fiji  0.3
          17 Dec 2020 22:00 Vanuavatu Fiji  0.3
          18 Dec 2020 04:00 Namuka Fiji  0.3
          18 Dec 2020 08:00 Ongea Fiji  0.3
          17 Dec 2020 07:00 Nabouwalu Fiji  0.3
          17 Dec 2020 07:00 Thavanga Fiji  0.3
          17 Dec 2020 11:00 Somosomo Fiji  0.3
          17 Dec 2020 09:00 Lao Fiji  0.3
          17 Dec 2020 09:00 Nawi Fiji  0.3
          17 Dec 2020 09:00 Vunikura Fiji  0.3
          18 Dec 2020 06:00 Monothaki Fiji  0.3
          17 Dec 2020 08:00 Tawake Fiji  0.3
          17 Dec 2020 03:00 Teci Fiji  0.3
          17 Dec 2020 03:00 Mbukama Fiji  0.3
          17 Dec 2020 10:00 Nathamaki Fiji  0.3
          17 Dec 2020 09:00 Malake Fiji  0.3
          17 Dec 2020 10:00 Mbangasau Fiji  0.3
          17 Dec 2020 10:00 Nasau Fiji  0.3
          17 Dec 2020 10:00 Napuka Fiji  0.3
          17 Dec 2020 02:00 Matayalevu Fiji  0.2
          17 Dec 2020 02:00 Matacawalevu Fiji  0.2
          17 Dec 2020 02:00 Sisili Fiji  0.2
          17 Dec 2020 04:00 Ndenimanu Fiji  0.2
          17 Dec 2020 10:00 Nailou Fiji  0.2
          17 Dec 2020 11:00 Navakawau Fiji  0.2
          17 Dec 2020 16:00 Tuvutha Fiji  0.2
          17 Dec 2020 09:00 Biagunu Fiji  0.2
          17 Dec 2020 16:00 Thikombia Fiji  0.2
          17 Dec 2020 07:00 Koroinasolo Fiji  0.2
          17 Dec 2020 01:00 Somosomo Fiji  0.2
          17 Dec 2020 02:00 Navotua Fiji  0.2
          17 Dec 2020 02:00 Tamusua Fiji  0.2
          17 Dec 2020 14:00 Nakondu Fiji  0.2
          17 Dec 2020 02:00 Yasawairara Fiji  0.2
          17 Dec 2020 15:00 Vione Fiji  0.2
          16 Dec 2020 22:00 Tavua Fiji  0.2
          17 Dec 2020 01:00 Soso Fiji  0.2
          17 Dec 2020 02:00 Nacula Fiji  0.2
          17 Dec 2020 05:00 Ucunivanua Fiji  0.2
          17 Dec 2020 15:00 Laucala Fiji  0.2
          17 Dec 2020 06:00 Korovou Fiji  0.2
          17 Dec 2020 05:00 Naimasimasi Fiji  0.2
          17 Dec 2020 15:00 Lauthala Bay Fiji  0.2
          17 Dec 2020 14:00 Tamavua Fiji  0.2
          17 Dec 2020 01:00 Nanukuloa Fiji  0.2
          17 Dec 2020 15:00 Naingani Fiji  0.2
          17 Dec 2020 10:00 Namboutini Fiji  0.2
          17 Dec 2020 04:00 Lodoni Fiji  0.2
          17 Dec 2020 16:00 Nauouo Fiji  0.2
          17 Dec 2020 15:00 Sawaieke Fiji  0.2
          17 Dec 2020 15:00 Vandravandra Fiji  0.2
          17 Dec 2020 00:00 Nalauwaki Fiji  0.1
          17 Dec 2020 04:00 Nasau Fiji  0.1
          17 Dec 2020 14:00 Nambouono Fiji  0.1
          17 Dec 2020 14:00 Levuka Fiji  0.1
          17 Dec 2020 14:00 Navuti Fiji  0.1
          17 Dec 2020 15:00 Lokia Fiji  0.1
          17 Dec 2020 09:00 Suva Fiji  0.1
          16 Dec 2020 21:00 Tavua Fiji  0.1
          17 Dec 2020 14:00 Makongai Fiji  0.1
          17 Dec 2020 10:00 Namukalau Fiji  0.1
          17 Dec 2020 16:00 Rukuruku Fiji  0.1
          17 Dec 2020 14:00 Lovoni Fiji  0.1
          17 Dec 2020 04:00 Lawaki Fiji  0.1
          17 Dec 2020 14:00 Nasaga Fiji  0.1
          17 Dec 2020 00:00 Cautata Fiji  0.1
          17 Dec 2020 02:00 Dromuna Fiji  0.1
          17 Dec 2020 16:00 Keteira Fiji  0.1
          17 Dec 2020 15:00 Matavuralevu Fiji  0.1
          17 Dec 2020 15:00 Pacific Harbour Fiji  0.1
          17 Dec 2020 07:00 Rakiraki Fiji  0.1
          17 Dec 2020 07:00 Vaileka Fiji  0.1
          17 Dec 2020 14:00 Nalele Fiji  0.1
          17 Dec 2020 04:00 Nayavutoka Fiji  0.1
          17 Dec 2020 15:00 Dalice Fiji  0.1
          17 Dec 2020 14:00 Nasilai Fiji  0.1
          17 Dec 2020 14:00 Kasavu Fiji  0.1
          17 Dec 2020 14:00 Nausori Fiji  0.1
          17 Dec 2020 16:00 Andako Fiji  0.1
          17 Dec 2020 15:00 Kalokolevu Fiji  0.1
          17 Dec 2020 10:00 Yanutha Fiji  0.1