Overall Red alert Tropical Cyclone for YASA-20
in Fiji,

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 m (17 Dec 11:00 UTC)
Vulnerability Medium (Fiji)
Landfall between
16 Dec 2020 18:00 - 17 Dec 2020 18:00

in 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 204 km/h 1.1 m n.a. 2.5
Overall 259 km/h 1.0 m n.a. 2.5

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

Wind

204 km/h Current Max.

Up to 670000 people in Category 1 strength or higher (see SSHS)

Impact Timeline

Alert 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

Bulletin Timeline

Alert 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
10 15 Dec 2020 06:00 Category 2 167 no people no people -15.1, 172.3
GREEN
10 15 Dec 2020 18:00 Category 3 185 no people no people -14.8, 172.8
GREEN
10 16 Dec 2020 06:00 Category 3 194 no people 6500 people -14.9, 173.8
RED
10 16 Dec 2020 18:00 Category 3 204 660000 people 910000 people -15.5, 175.3
RED
10 17 Dec 2020 18:00 Category 3 194 510000 people 910000 people -17.6, 178.3 Fiji
GREEN
10 18 Dec 2020 18:00 Category 2 157 no people 21000 people -20.5, 180
GREEN
10 19 Dec 2020 18:00 Category 1 130 no people no people -23.2, 179.9
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
Fiji

Provinces

Region Province Country
Fiji Fiji

Populated places

Name Region Province Country City class Population
Somosomo Fiji City -
Lautoka Fiji City 49000 people
Nadi Fiji Major city 54000 people
Ba Fiji City 20000 people
Tavua Fiji City 2600 people
Vatukoula Fiji City 10000 people
Navua Fiji City 5900 people
Korovou Fiji City <1000 people
Suva Fiji Capital 200000 people
Nausori Fiji City 32000 people
Levuka Fiji City 4700 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)
Turtle Island TTL unknown 0
Nadi International NAN 18 Civ. Paved Yes 10500
Ba BFJ unknown 0
Vatukoula VAU unknown 0
Pacific Harbour Dueba PHR unknown 0
Nausori SUV 5 Civ. Paved Yes 6100
Bureta Levuka Air LEV unknown 0
Wakaya Island KAY unknown 0
Ngau NGI unknown 0

Ports

Name LOCODE Country
Vuda FJVUD Fiji
Lautoka FJLTK Fiji
Vatia FJVAT Fiji
Suva FJSUV Fiji
Levuka FJLEV Fiji

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.

...

StormSurge

1 m

The maximum Storm surge height is  1.1m in Nacula, Fiji. This height is estimated for 17 Dec 2020 11:00 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 (93 locations). Calculation based on advisory number 10 of 14 Dec 2020 18:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert Date (UTC) Name Country Storm surge height (m)
17 Dec 2020 11:00 Nacula Fiji  1.1
17 Dec 2020 11:00 Navotua Fiji  1.1
17 Dec 2020 11:00 Tamusua Fiji  1.1
17 Dec 2020 21:00 Dromuna Fiji  1.0
17 Dec 2020 21:00 Nasilai Fiji  1.0
17 Dec 2020 21:00 Cautata Fiji  1.0
17 Dec 2020 14:00 Tavua Fiji  1.0
17 Dec 2020 20:00 Naimasimasi Fiji  0.9
17 Dec 2020 19:00 Korovou Fiji  0.9
17 Dec 2020 11:00 Matayalevu Fiji  0.8
17 Dec 2020 11:00 Matacawalevu Fiji  0.8
17 Dec 2020 11:00 Sisili Fiji  0.8
17 Dec 2020 20:00 Ucunivanua Fiji  0.8
17 Dec 2020 15:00 Rabulu Fiji  0.8
17 Dec 2020 11:00 Soso Fiji  0.7
17 Dec 2020 11:00 Somosomo Fiji  0.7
17 Dec 2020 22:00 Lauthala Bay Fiji  0.7
17 Dec 2020 22:00 Laucala Fiji  0.7
17 Dec 2020 19:00 Lodoni Fiji  0.7
17 Dec 2020 16:00 Togowere Fiji  0.7
17 Dec 2020 20:00 Kasavu Fiji  0.7
17 Dec 2020 16:00 Nanukuloa Fiji  0.7
17 Dec 2020 18:00 Nayavutoka Fiji  0.6
17 Dec 2020 22:00 Tamavua Fiji  0.6
17 Dec 2020 21:00 Navuti Fiji  0.6
17 Dec 2020 21:00 Nasaga Fiji  0.6
17 Dec 2020 17:00 Nasau Fiji  0.6
17 Dec 2020 21:00 Lovoni Fiji  0.6
17 Dec 2020 20:00 Nausori Fiji  0.6
17 Dec 2020 15:00 Rakiraki Fiji  0.6
17 Dec 2020 15:00 Vaileka Fiji  0.6
17 Dec 2020 22:00 Suva Fiji  0.6
17 Dec 2020 23:00 Lokia Fiji  0.5
17 Dec 2020 11:00 Teci Fiji  0.5
17 Dec 2020 19:00 Lawaki Fiji  0.5
17 Dec 2020 11:00 Mbukama Fiji  0.4
17 Dec 2020 11:00 Yasawairara Fiji  0.4
17 Dec 2020 18:00 Naruwai Fiji  0.4
17 Dec 2020 16:00 Nawailevu Fiji  0.4
17 Dec 2020 20:00 Rukuruku Fiji  0.4
17 Dec 2020 19:00 Naingani Fiji  0.4
17 Dec 2020 22:00 Kalokolevu Fiji  0.4
17 Dec 2020 11:00 Nalauwaki Fiji  0.3
17 Dec 2020 17:00 Navindamu Fiji  0.3
18 Dec 2020 10:00 Andako Fiji  0.3
17 Dec 2020 10:00 Tavua Fiji  0.3
17 Dec 2020 12:00 Nailanga Fiji  0.3
17 Dec 2020 12:00 Sorokoba Fiji  0.3
17 Dec 2020 12:00 Natunuka Fiji  0.3
17 Dec 2020 15:00 Ndenimanu Fiji  0.3
17 Dec 2020 15:00 Navinggiri Fiji  0.3
17 Dec 2020 18:00 Koroinasolo Fiji  0.3
17 Dec 2020 17:00 Savu Sau Fiji  0.3
17 Dec 2020 16:00 Yangganga Fiji  0.3
17 Dec 2020 18:00 Ndalomo Fiji  0.2
17 Dec 2020 17:00 Thavanga Fiji  0.2
17 Dec 2020 22:00 Matavuralevu Fiji  0.2
17 Dec 2020 22:00 Pacific Harbour Fiji  0.2
17 Dec 2020 17:00 Vatutandova Fiji  0.2
17 Dec 2020 22:00 Naitionitoni Fiji  0.2
17 Dec 2020 22:00 Mau Fiji  0.2
17 Dec 2020 17:00 Nagumu Fiji  0.2
17 Dec 2020 22:00 Yanutha Fiji  0.2
17 Dec 2020 11:00 Solevu Fiji  0.2
17 Dec 2020 19:00 Nauouo Fiji  0.2
18 Dec 2020 02:00 Nabouwalu Fiji  0.2
17 Dec 2020 17:00 Nanduri Fiji  0.2
17 Dec 2020 16:00 Ndaria Fiji  0.2
17 Dec 2020 21:00 Navua Fiji  0.2
17 Dec 2020 22:00 Lautoka Fiji  0.2
17 Dec 2020 16:00 Nabouwalu Fiji  0.2
17 Dec 2020 20:00 Levuka Fiji  0.1
17 Dec 2020 22:00 Galoa Fiji  0.1
17 Dec 2020 23:00 Waisomo Fiji  0.1
17 Dec 2020 22:00 Lalati Fiji  0.1
18 Dec 2020 01:00 Vandravandra Fiji  0.1
18 Dec 2020 04:00 Gasele Fiji  0.1
18 Dec 2020 04:00 Soso Fiji  0.1
18 Dec 2020 03:00 Vabea Fiji  0.1
18 Dec 2020 02:00 Namara Fiji  0.1
17 Dec 2020 11:00 Namaka Fiji  0.1
17 Dec 2020 22:00 Korovisilou Fiji  0.1
18 Dec 2020 04:00 Kaduvu Fiji  0.1
18 Dec 2020 04:00 Nukuvou Fiji  0.1
17 Dec 2020 19:00 Makongai Fiji  0.1
17 Dec 2020 18:00 Rave-rave Fiji  0.1
17 Dec 2020 23:00 Dakuimbeqa Fiji  0.1
18 Dec 2020 00:00 Sawaieke Fiji  0.1
17 Dec 2020 23:00 Vione Fiji  0.1
18 Dec 2020 00:00 Dalice Fiji  0.1
18 Dec 2020 03:00 Naikorokoro Fiji  0.1
18 Dec 2020 03:00 Kavala Fiji  0.1
18 Dec 2020 09:00 Keteira Fiji  0.1