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 1.1 m (17 Dec 16:00 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 185 km/h 1.1 m n.a. 2.5
Overall 259 km/h 1.1 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

185 km/h Current Max.

Up to 730000 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

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
9 15 Dec 2020 00:00 Category 1 139 no people no people -15.2, 171.7
GREEN
9 15 Dec 2020 12:00 Category 2 157 no people no people -14.9, 172.1
GREEN
9 16 Dec 2020 00:00 Category 2 167 no people no people -14.8, 172.8
ORANGE
9 16 Dec 2020 12:00 Category 2 176 230000 people 900000 people -15.2, 174
RED
9 17 Dec 2020 12:00 Category 3 185 730000 people 910000 people -17, 177.2
GREEN
9 18 Dec 2020 12:00 Category 2 167 no people 620000 people -19.8, 179.2
GREEN
9 19 Dec 2020 12:00 Category 1 139 no people no people -22.9, -179.6
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
Fiji

Provinces

Region Province Country
Fiji Fiji

Populated places

Name Region Province Country City class Population
Somosomo Fiji City -
Momi Fiji City -
Lautoka Fiji City 49000 people
Nadi Fiji Major city 54000 people
Ba Fiji City 20000 people
Sigatoka Fiji City 12000 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
Nasau Fiji City -
Nausori Fiji City 32000 people
Soso 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)
Castaway CST unknown 0
Turtle Island TTL unknown 0
Malololailai PTF unknown 0
Nadi International NAN 18 Civ. Paved Yes 10500
Natadola NTA unknown 0
Ba BFJ unknown 0
Vatukoula VAU unknown 0
Korolevu KVU unknown 0
Vatulele VTF unknown 0
Pacific Harbour Dueba PHR unknown 0
Nausori SUV 5 Civ. Paved Yes 6100
Kandavu KDV unknown 0

Ports

Name LOCODE Country
Vuda FJVUD Fiji
Lautoka FJLTK Fiji
Vatia FJVAT Fiji
Suva FJSUV Fiji
Kandavu Island 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

1.1 m

The maximum Storm surge height is  1.1m in Tavua, Fiji. This height is estimated for 17 Dec 2020 16:00 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 (105 locations). Calculation based on advisory number 9 of 14 Dec 2020 12:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert Date (UTC) Name Country Storm surge height (m)
17 Dec 2020 16:00 Tavua Fiji  1.1
17 Dec 2020 14:00 Somosomo Fiji  1.0
17 Dec 2020 14:00 Soso Fiji  1.0
17 Dec 2020 16:00 Nailanga Fiji  0.9
17 Dec 2020 16:00 Sorokoba Fiji  0.9
17 Dec 2020 16:00 Natunuka Fiji  0.9
17 Dec 2020 16:00 Ba Fiji  0.9
17 Dec 2020 17:00 Rabulu Fiji  0.8
17 Dec 2020 13:00 Nacula Fiji  0.7
17 Dec 2020 13:00 Navotua Fiji  0.7
17 Dec 2020 17:00 Togowere Fiji  0.7
17 Dec 2020 14:00 Tamusua Fiji  0.7
17 Dec 2020 18:00 Lautoka Fiji  0.6
17 Dec 2020 13:00 Matayalevu Fiji  0.6
18 Dec 2020 00:00 Pacific Harbour Fiji  0.6
17 Dec 2020 13:00 Nalauwaki Fiji  0.6
17 Dec 2020 23:00 Galoa Fiji  0.5
17 Dec 2020 22:00 Dromuna Fiji  0.5
17 Dec 2020 13:00 Matacawalevu Fiji  0.5
17 Dec 2020 23:00 Matavuralevu Fiji  0.5
17 Dec 2020 23:00 Waisomo Fiji  0.5
17 Dec 2020 22:00 Cautata Fiji  0.5
18 Dec 2020 04:00 Nabouwalu Fiji  0.5
18 Dec 2020 04:00 Vabea Fiji  0.5
17 Dec 2020 23:00 Yanutha Fiji  0.4
17 Dec 2020 23:00 Lalati Fiji  0.4
17 Dec 2020 14:00 Tavua Fiji  0.4
17 Dec 2020 13:00 Sisili Fiji  0.4
17 Dec 2020 23:00 Naitionitoni Fiji  0.4
17 Dec 2020 22:00 Korovisilou Fiji  0.4
18 Dec 2020 00:00 Dakuimbeqa Fiji  0.4
17 Dec 2020 20:00 Naimasimasi Fiji  0.3
17 Dec 2020 19:00 Korovou Fiji  0.3
17 Dec 2020 13:00 Teci Fiji  0.3
17 Dec 2020 17:00 Nanukuloa Fiji  0.3
18 Dec 2020 00:00 Nausori Fiji  0.3
18 Dec 2020 04:00 Kavala Fiji  0.3
17 Dec 2020 13:00 Mbukama Fiji  0.3
17 Dec 2020 13:00 Yasawairara Fiji  0.3
18 Dec 2020 04:00 Namara Fiji  0.3
18 Dec 2020 05:00 Kaduvu Fiji  0.3
18 Dec 2020 05:00 Nukuvou Fiji  0.3
17 Dec 2020 20:00 Nauouo Fiji  0.3
17 Dec 2020 20:00 Levuka Fiji  0.3
17 Dec 2020 20:00 Kasavu Fiji  0.3
17 Dec 2020 19:00 Ucunivanua Fiji  0.3
17 Dec 2020 17:00 Nasau Fiji  0.3
17 Dec 2020 23:00 Lovoni Fiji  0.3
18 Dec 2020 04:00 Gasele Fiji  0.3
17 Dec 2020 23:00 Navuti Fiji  0.3
17 Dec 2020 23:00 Nasaga Fiji  0.3
18 Dec 2020 04:00 Soso Fiji  0.3
17 Dec 2020 18:00 Nawailevu Fiji  0.3
17 Dec 2020 15:00 Solevu Fiji  0.3
17 Dec 2020 17:00 Rakiraki Fiji  0.3
17 Dec 2020 17:00 Vaileka Fiji  0.3
17 Dec 2020 18:00 Nayavutoka Fiji  0.3
18 Dec 2020 03:00 Naikorokoro Fiji  0.3
17 Dec 2020 20:00 Naruwai Fiji  0.2
17 Dec 2020 18:00 Lodoni Fiji  0.2
17 Dec 2020 18:00 Navinggiri Fiji  0.2
17 Dec 2020 20:00 Namaka Fiji  0.2
17 Dec 2020 19:00 Navindamu Fiji  0.2
17 Dec 2020 17:00 Ndenimanu Fiji  0.2
17 Dec 2020 22:00 Navua Fiji  0.2
17 Dec 2020 23:00 Mau Fiji  0.2
18 Dec 2020 00:00 Tamavua Fiji  0.2
18 Dec 2020 03:00 Mokoisa Fiji  0.2
17 Dec 2020 18:00 Savu Sau Fiji  0.2
17 Dec 2020 21:00 Vatukarasa Fiji  0.2
17 Dec 2020 18:00 Yangganga Fiji  0.2
17 Dec 2020 17:00 Thavanga Fiji  0.2
17 Dec 2020 18:00 Lawaki Fiji  0.2
17 Dec 2020 21:00 Rukuruku Fiji  0.2
17 Dec 2020 21:00 Sigatoka Fiji  0.2
17 Dec 2020 21:00 Laselase Fiji  0.2
18 Dec 2020 00:00 Suva Fiji  0.2
17 Dec 2020 21:00 Nasilai Fiji  0.2
17 Dec 2020 19:00 Ndalomo Fiji  0.2
17 Dec 2020 20:00 Naingani Fiji  0.2
17 Dec 2020 23:00 Taunovo Fiji  0.2
18 Dec 2020 00:00 Laucala Fiji  0.2
18 Dec 2020 00:00 Lokia Fiji  0.2
18 Dec 2020 05:00 Mburelevu Fiji  0.2
17 Dec 2020 18:00 Koroinasolo Fiji  0.1
17 Dec 2020 20:00 Cuvu Fiji  0.1
18 Dec 2020 00:00 Kalokolevu Fiji  0.1
17 Dec 2020 21:00 Lauthala Bay Fiji  0.1
18 Dec 2020 04:00 Vunisea Fiji  0.1
17 Dec 2020 19:00 Nagumu Fiji  0.1
17 Dec 2020 14:00 Nadi Fiji  0.1
17 Dec 2020 17:00 Ndaria Fiji  0.1
17 Dec 2020 23:00 Bouwanga Fiji  0.1
18 Dec 2020 11:00 Andako Fiji  0.1
17 Dec 2020 19:00 Vatutandova Fiji  0.1
17 Dec 2020 20:00 Momi Fiji  0.1
17 Dec 2020 20:00 Mbatiri Fiji  0.1
18 Dec 2020 04:00 Nalotu Fiji  0.1
17 Dec 2020 17:00 Nabouwalu Fiji  0.1
18 Dec 2020 04:00 Nasau Fiji  0.1
18 Dec 2020 04:00 Talaulia Fiji  0.1
17 Dec 2020 20:00 Nanduri Fiji  0.1
17 Dec 2020 19:00 Lomawal Fiji  0.1
17 Dec 2020 18:00 Makongai Fiji  0.1
17 Dec 2020 22:00 Korolevu Fiji  0.1