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 GFS
Exposed countries Fiji
Exposed population 130 thousand in Category 1 or higher
Maximum wind speed 230 km/h
Maximum storm surge 1.3 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
GFS Current 230 km/h 1.3 m 204 mm 2.5
GFS Overall 281 km/h 1.3 m 829 mm 2.5

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

Wind

281 km/h

Up to 130 thousand in Category 1 strength or higher (see SSHS)



Wind exposed population - AoIs

Estimations based on the bulletin of 17 Dec 2020 06:00 UTC
CategoryCountryPopulation 
CAT. 4Fiji29 
CAT. 3Fiji8,599 
CAT. 2Fiji20,042 
CAT. 1Fiji96,360 
Tropical StormFiji302,574 

See TC classification SSHS


Wind Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert Date (UTC) Max Winds (km/h) Pop in Cat. 1 or higher TS Cat. 1 Cat. 2 Cat. 3 Cat. 4 Cat. 5 Countries
GREEN 1 12 Dec 2020 12:00 101 - - - - - - -
GREEN 2 12 Dec 2020 18:00 83 - - - - - - -
GREEN 3 13 Dec 2020 00:00 68 - - - - - - -
GREEN 4 13 Dec 2020 06:00 68 - - - - - - -
GREEN 5 13 Dec 2020 12:00 94 - - - - - - -
GREEN 6 13 Dec 2020 18:00 101 - - - - - - -
GREEN 7 14 Dec 2020 00:00 94 - - - - - - -
GREEN 8 14 Dec 2020 06:00 108 - - - - - - -
GREEN 9 14 Dec 2020 12:00 119 -
- - - - - Tonga
GREEN 10 14 Dec 2020 18:00 122 -
- - - - - Tonga
GREEN 11 15 Dec 2020 00:00 133 -
- - - - - Tonga
GREEN 12 15 Dec 2020 06:00 162 - - - - - - -
GREEN 13 15 Dec 2020 12:00 169 - - - - - - -
GREEN 14 15 Dec 2020 18:00 202 - - - - - - -
GREEN 15 16 Dec 2020 00:00 238 - - - - - - -
GREEN 16 16 Dec 2020 06:00 223 -
- - - - - Fiji
GREEN 17 16 Dec 2020 12:00 227 -
- - - - - Fiji
GREEN 18 16 Dec 2020 18:00 281 9 thousand
- - - Fiji
ORANGE 19 17 Dec 2020 00:00 216 40 thousand
- - Fiji
RED 20 17 Dec 2020 06:00 230 130 thousand
- Fiji
Download:





Impact estimation for the next 72h




Rain exposed population - AoIs

Estimations based on the bulletin of 17 Dec 2020 06:00 UTC
LevelCountryPopulation 
100-250 mmTonga, Fiji323,789
+
Tonga132 
Fiji323,657 
50-100 mmTuvalu, Solomon Islands, Wallis and Futuna, Vanuatu, Tonga, Fiji256,146
+
Tuvalu6,213 
Solomon Islands941 
Wallis and Futuna15,561 
Vanuatu6,796 
Tonga133 
Fiji226,502 

Rain Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert Date (UTC) Max Rainfall (mm) Pop >100mm or higher 50-100 100-250 250-500 500-750 750-1000 >1000 Countries
Blue 1 12 Dec 2020 12:00 229 - - - - - - -
Blue 2 12 Dec 2020 18:00 268 - - - - - - -
Blue 3 13 Dec 2020 00:00 132 - - - - - - -
Blue 4 13 Dec 2020 06:00 43 - - - - - - -
Blue 5 13 Dec 2020 12:00 163 - - - - - - -
Blue 6 13 Dec 2020 18:00 181 - - - - - - -
Blue 7 14 Dec 2020 00:00 170 - - - - - - -
Blue 8 14 Dec 2020 06:00 121 - - - - - - -
Blue 9 14 Dec 2020 12:00 136 - - - - - - -
Blue 10 14 Dec 2020 18:00 138 - - - - - - -
Blue 11 15 Dec 2020 00:00 128 - - - - - - -
Blue 12 15 Dec 2020 06:00 146 - - - - - - -
Blue 13 15 Dec 2020 12:00 174 - - - - - - -
Blue 14 15 Dec 2020 18:00 184 - - - - - - -
Blue 15 16 Dec 2020 00:00 204 - - - - - - -
Blue 16 16 Dec 2020 06:00 196 - - - - - - -
Blue 17 16 Dec 2020 12:00 254 -
- - - - - Fiji
Blue 18 16 Dec 2020 18:00 178 20 thousand
- - - - Fiji
Blue 19 17 Dec 2020 00:00 209 160 thousand
- - - - Fiji
Blue 20 17 Dec 2020 06:00 361 320 thousand
- - - - Tuvalu, Solomon Islands, Wallis and Futuna, Vanuatu, Tonga, Fiji




Impact estimation for the next 72h

StormSurge

1.3 m

The maximum Storm surge height is  1.3m in Nawailevu, Fiji. This height is estimated for 17 Dec 2020 06:00 UTC .

The JRC has developed an experimental global storm surge model, which is run after each advisory issued by the regional tropical cyclone centres. 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.

Storm Surge Exposed population - AoIs


Storm Surge Exposed locations

Calculation based on the bulletin of 17 Dec 2020 06:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
17 Dec 2020 06:00 Nawailevu Fiji  1.3
17 Dec 2020 06:00 Nasarowangga Fiji  1.3
17 Dec 2020 06:00 Navindamu Fiji  1.3
17 Dec 2020 07:30 Koroinasolo Fiji  1.1
17 Dec 2020 07:30 Navinggiri Fiji  1.1
17 Dec 2020 07:30 Ndalomo Fiji  1.1
17 Dec 2020 07:30 Naruwai Fiji  1.1
17 Dec 2020 08:00 Naindi Fiji  1.0
17 Dec 2020 08:00 Korosi Fiji  1.0
17 Dec 2020 08:00 Korotasere Fiji  1.0
17 Dec 2020 08:00 Naweni Fiji  1.0
17 Dec 2020 08:00 Nakarambo Fiji  1.0
17 Dec 2020 08:00 Viani Fiji  1.0
17 Dec 2020 08:00 Ndrekeniwai Fiji  1.0
17 Dec 2020 06:45 Nanduri Fiji  1.0
17 Dec 2020 06:45 Vatutandova Fiji  1.0
17 Dec 2020 07:00 Vunivatu Fiji  0.8
17 Dec 2020 07:00 Navukembuli Fiji  0.8
17 Dec 2020 07:00 Naua Fiji  0.8
17 Dec 2020 07:00 Namukalau Fiji  0.8
17 Dec 2020 07:30 Nasea Fiji  0.8
17 Dec 2020 07:00 Tawake Fiji  0.7
17 Dec 2020 07:00 Nukusa Fiji  0.7
17 Dec 2020 06:00 Nagumu Fiji  0.7
17 Dec 2020 08:00 Mbangasau Fiji  0.7
17 Dec 2020 06:00 Yangganga Fiji  0.6
17 Dec 2020 06:30 Nabouwalu Fiji  0.6
17 Dec 2020 06:30 Thavanga Fiji  0.6
17 Dec 2020 06:30 Ndaria Fiji  0.6
17 Dec 2020 06:30 Rave-rave Fiji  0.6
17 Dec 2020 06:30 Ndawara Fiji  0.6
17 Dec 2020 07:45 Malake Fiji  0.6
17 Dec 2020 07:30 Biagunu Fiji  0.5
17 Dec 2020 07:45 Lao Fiji  0.5
17 Dec 2020 07:15 Namboutini Fiji  0.5
17 Dec 2020 07:15 Nailou Fiji  0.5
17 Dec 2020 07:15 Napuka Fiji  0.5
17 Dec 2020 07:00 Vangai Fiji  0.5
17 Dec 2020 07:00 Nawi Fiji  0.5
17 Dec 2020 07:00 Vunikura Fiji  0.5
17 Dec 2020 06:00 Kasavu Fiji  0.5
17 Dec 2020 06:00 Korovou Fiji  0.5
17 Dec 2020 06:00 Lodoni Fiji  0.5
17 Dec 2020 06:00 Naimasimasi Fiji  0.5
17 Dec 2020 06:00 Ucunivanua Fiji  0.5
17 Dec 2020 06:00 Navuti Fiji  0.5
17 Dec 2020 06:00 Nasaga Fiji  0.5
17 Dec 2020 06:00 Lovoni Fiji  0.5
17 Dec 2020 06:00 Nayavutoka Fiji  0.5
17 Dec 2020 06:00 Lawaki Fiji  0.5
17 Dec 2020 06:00 Naingani Fiji  0.5
17 Dec 2020 06:00 Savu Sau Fiji  0.5
17 Dec 2020 06:00 Mamie New Caledonia  0.4
17 Dec 2020 06:00 Yate-Village New Caledonia  0.4
17 Dec 2020 06:00 Waho New Caledonia  0.4
17 Dec 2020 06:00 Laucala Fiji  0.4
17 Dec 2020 06:00 Nausori Fiji  0.4
17 Dec 2020 06:00 Lokia Fiji  0.4
17 Dec 2020 06:00 Cautata Fiji  0.4
17 Dec 2020 06:00 Nasilai Fiji  0.4
17 Dec 2020 06:00 Dromuna Fiji  0.4
17 Dec 2020 06:45 Waisa Fiji  0.4
17 Dec 2020 06:00 Rukuruku Fiji  0.4
17 Dec 2020 06:00 Nauouo Fiji  0.4
18 Dec 2020 01:45 Ouinne New Caledonia  0.4
17 Dec 2020 08:15 Levuka Fiji  0.4
17 Dec 2020 07:00 Natua Fiji  0.4
17 Dec 2020 15:30 Lambulmbatuei Vanuatu  0.3
17 Dec 2020 15:30 Meriver Vanuatu  0.3
17 Dec 2020 15:30 Bourbar Vanuatu  0.3
17 Dec 2020 15:30 Lamap Vanuatu  0.3
17 Dec 2020 15:30 Peskarus Vanuatu  0.3
17 Dec 2020 13:30 Tavua Fiji  0.3
17 Dec 2020 13:30 Rabulu Fiji  0.3
17 Dec 2020 13:30 Togowere Fiji  0.3
17 Dec 2020 06:00 Rakiraki Fiji  0.3
17 Dec 2020 06:00 Vaileka Fiji  0.3
17 Dec 2020 06:00 Nanukuloa Fiji  0.3
17 Dec 2020 06:00 Nasau Fiji  0.3
17 Dec 2020 07:45 Nambouono Fiji  0.3
17 Dec 2020 06:00 Ndenimanu Fiji  0.3
17 Dec 2020 17:00 Kouaoua New Caledonia  0.3
17 Dec 2020 17:00 Canala New Caledonia  0.3
17 Dec 2020 17:00 Ouasse New Caledonia  0.3
17 Dec 2020 12:30 Mbangata Fiji  0.3
17 Dec 2020 12:30 Savusavu Fiji  0.3
17 Dec 2020 12:30 Dalice Fiji  0.3
17 Dec 2020 12:30 Keteira Fiji  0.3
17 Dec 2020 12:30 Sawaieke Fiji  0.3
17 Dec 2020 12:30 Vione Fiji  0.3
17 Dec 2020 09:15 Makongai Fiji  0.3
17 Dec 2020 12:15 Nakondu Fiji  0.3
17 Dec 2020 12:15 Nathamaki Fiji  0.3
17 Dec 2020 12:15 Nasau Fiji  0.3
17 Dec 2020 12:00 Natunuka Fiji  0.3
17 Dec 2020 12:45 Korovou Fiji  0.3
17 Dec 2020 12:45 Navakawau Fiji  0.3
17 Dec 2020 22:30 Nailanga Fiji  0.3
17 Dec 2020 22:30 Sorokoba Fiji  0.3
17 Dec 2020 22:30 Ba Fiji  0.3
17 Dec 2020 12:30 Vandravandra Fiji  0.3
17 Dec 2020 08:30 Matacawalevu Fiji  0.3
17 Dec 2020 08:30 Sisili Fiji  0.3
17 Dec 2020 08:30 Nacula Fiji  0.3
17 Dec 2020 08:30 Navotua Fiji  0.3
17 Dec 2020 08:30 Tamusua Fiji  0.3
17 Dec 2020 08:30 Teci Fiji  0.3
17 Dec 2020 08:30 Matayalevu Fiji  0.2
17 Dec 2020 08:30 Mbukama Fiji  0.2
17 Dec 2020 08:30 Somosomo Fiji  0.2
17 Dec 2020 07:45 Soso Fiji  0.2
18 Dec 2020 00:30 Saint-Gabriel New Caledonia  0.2
18 Dec 2020 00:30 Saint Roch New Caledonia  0.2
17 Dec 2020 08:15 Yasawairara Fiji  0.2
17 Dec 2020 07:45 Nalauwaki Fiji  0.2
17 Dec 2020 12:15 Suva Fiji  0.2
17 Dec 2020 12:15 Tamavua Fiji  0.2
17 Dec 2020 12:15 Lauthala Bay Fiji  0.2
17 Dec 2020 16:30 Paola New Caledonia  0.2
17 Dec 2020 16:30 Vieux Tuho New Caledonia  0.2
17 Dec 2020 16:30 Touho New Caledonia  0.2
17 Dec 2020 16:30 Kokengone New Caledonia  0.2
17 Dec 2020 16:30 Saint-Denis New Caledonia  0.2
17 Dec 2020 12:15 Kalokolevu Fiji  0.2
17 Dec 2020 07:30 Poindimie New Caledonia  0.2
17 Dec 2020 07:30 Ometteux New Caledonia  0.2
17 Dec 2020 07:30 Bayes New Caledonia  0.2
17 Dec 2020 12:15 Mau Fiji  0.2
17 Dec 2020 12:15 Navua Fiji  0.2
17 Dec 2020 12:15 Naitionitoni Fiji  0.2
17 Dec 2020 12:30 Galoa Fiji  0.2
17 Dec 2020 12:30 Yanutha Fiji  0.2
17 Dec 2020 12:30 Matavuralevu Fiji  0.2
17 Dec 2020 12:30 Pacific Harbour Fiji  0.2
17 Dec 2020 12:30 Waisomo Fiji  0.2
17 Dec 2020 12:30 Dakuimbeqa Fiji  0.2
17 Dec 2020 12:30 Lalati Fiji  0.2
18 Dec 2020 01:15 Pam New Caledonia  0.2
18 Dec 2020 01:15 Balaide New Caledonia  0.2
18 Dec 2020 01:15 Saint-Paul New Caledonia  0.2
17 Dec 2020 11:45 Mou New Caledonia  0.2
17 Dec 2020 11:45 Moneo New Caledonia  0.2
17 Dec 2020 11:45 Ho New Caledonia  0.2
17 Dec 2020 11:45 Meomo New Caledonia  0.2
17 Dec 2020 12:30 Kavala Fiji  0.2
17 Dec 2020 12:30 Kaduvu Fiji  0.2
17 Dec 2020 12:30 Nukuvou Fiji  0.2
17 Dec 2020 12:30 Nabouwalu Fiji  0.2
17 Dec 2020 12:30 Vabea Fiji  0.2
17 Dec 2020 22:00 Lautoka Fiji  0.2
17 Dec 2020 12:15 Korovisilou Fiji  0.2
17 Dec 2020 12:30 Andako Fiji  0.2
17 Dec 2020 12:15 Gasele Fiji  0.2
17 Dec 2020 12:15 Namara Fiji  0.2
17 Dec 2020 12:15 Soso Fiji  0.2
17 Dec 2020 12:15 Naikorokoro Fiji  0.2
19 Dec 2020 18:00 Tiabet New Caledonia  0.2
19 Dec 2020 18:00 Poum New Caledonia  0.2
19 Dec 2020 18:00 Poum-Plage New Caledonia  0.2
17 Dec 2020 15:45 Umpon Mompu Vanuatu  0.2
17 Dec 2020 15:45 Potnarvin Vanuatu  0.2
17 Dec 2020 15:45 Yawisaghuwi Vanuatu  0.2
17 Dec 2020 15:45 Ipota Vanuatu  0.2
17 Dec 2020 15:45 Ifo Vanuatu  0.2
17 Dec 2020 16:30 Thio New Caledonia  0.2
17 Dec 2020 12:00 Vunisea Fiji  0.2
17 Dec 2020 12:00 Mburelevu Fiji  0.2
17 Dec 2020 12:00 Mokoisa Fiji  0.2
19 Dec 2020 17:45 Arama New Caledonia  0.2
17 Dec 2020 12:15 Korolevu Fiji  0.2
17 Dec 2020 08:00 Tavua Fiji  0.2
17 Dec 2020 12:15 Taunovo Fiji  0.2
17 Dec 2020 12:15 Vatukarasa Fiji  0.2
17 Dec 2020 12:15 Bouwanga Fiji  0.2
17 Dec 2020 12:15 Nalotu Fiji  0.2
17 Dec 2020 12:15 Talaulia Fiji  0.2
17 Dec 2020 12:15 Sigatoka Fiji  0.2
17 Dec 2020 12:15 Laselase Fiji  0.2
17 Dec 2020 12:15 Nasau Fiji  0.2
17 Dec 2020 12:15 Cuvu Fiji  0.2
17 Dec 2020 07:45 Solevu Fiji  0.2
17 Dec 2020 08:45 Souleisere Vanuatu  0.2
17 Dec 2020 08:45 Piapouria Vanuatu  0.2
17 Dec 2020 08:45 Mae Vanuatu  0.2
17 Dec 2020 08:45 Tourebiou Vanuatu  0.2
17 Dec 2020 08:45 Atsaritibi Vanuatu  0.2
17 Dec 2020 08:45 Robertsons Vanuatu  0.2
17 Dec 2020 08:45 Bakakara Vanuatu  0.2
17 Dec 2020 08:45 Terou Vanuatu  0.2
17 Dec 2020 08:45 Worovok Vanuatu  0.2
17 Dec 2020 08:45 Ladhu Vanuatu  0.2
17 Dec 2020 08:45 Lavatavo Vanuatu  0.2
17 Dec 2020 08:45 Iakobone Vanuatu  0.2
18 Dec 2020 07:15 Momi Fiji  0.2
18 Dec 2020 07:15 Nadi Fiji  0.2
18 Dec 2020 07:15 Namaka Fiji  0.2
17 Dec 2020 12:15 Mbatiri Fiji  0.2
17 Dec 2020 16:30 Ponerihouen New Caledonia  0.2
17 Dec 2020 06:15 Lomawal Fiji  0.2
18 Dec 2020 01:30 Ouara New Caledonia  0.1
17 Dec 2020 17:45 Abnetare Vanuatu  0.1
17 Dec 2020 17:45 Segond Vanuatu  0.1
17 Dec 2020 17:45 Asavagas Vanuatu  0.1
18 Dec 2020 01:00 Paagoumene New Caledonia  0.1
19 Dec 2020 08:45 Plum New Caledonia  0.1
19 Dec 2020 08:45 Prony New Caledonia  0.1
18 Dec 2020 01:00 Ouanache New Caledonia  0.1
17 Dec 2020 08:00 Houailou New Caledonia  0.1
17 Dec 2020 08:00 Ouakaya New Caledonia  0.1
17 Dec 2020 08:00 Poro New Caledonia  0.1
17 Dec 2020 07:00 Panane New Caledonia  0.1
17 Dec 2020 07:00 Mouane New Caledonia  0.1
17 Dec 2020 07:00 Ono New Caledonia  0.1
17 Dec 2020 07:00 Wala New Caledonia  0.1
19 Dec 2020 09:15 Saint-Louis New Caledonia  0.1
17 Dec 2020 17:00 Goro New Caledonia  0.1
17 Dec 2020 09:45 Hog Harbour Vanuatu  0.1
17 Dec 2020 08:30 Fayaoue New Caledonia  0.1
17 Dec 2020 08:30 Wadrilla New Caledonia  0.1
17 Dec 2020 08:30 Wegnec St-Joseph New Caledonia  0.1
17 Dec 2020 08:30 Teouta New Caledonia  0.1
17 Dec 2020 08:30 Ognat New Caledonia  0.1
17 Dec 2020 08:00 Mouly New Caledonia  0.1
17 Dec 2020 08:00 Lekia New Caledonia  0.1
17 Dec 2020 08:00 Ognahu New Caledonia  0.1
17 Dec 2020 14:30 Paita New Caledonia  0.1
17 Dec 2020 14:30 Nouville New Caledonia  0.1
17 Dec 2020 14:30 Noumea New Caledonia  0.1
17 Dec 2020 14:30 Dumbea New Caledonia  0.1
17 Dec 2020 14:30 Comm. du Mont-Dore New Caledonia  0.1
19 Dec 2020 08:45 Voh New Caledonia  0.1
19 Dec 2020 08:45 Oundjo New Caledonia  0.1
19 Dec 2020 08:45 Pinjen New Caledonia  0.1
19 Dec 2020 08:45 Tarbeville New Caledonia  0.1
18 Dec 2020 01:15 Bouloupari New Caledonia  0.1
18 Dec 2020 00:45 Bweo New Caledonia  0.1
18 Dec 2020 00:45 Pairome New Caledonia  0.1
18 Dec 2020 16:30 Mesabolo Vanuatu  0.1
18 Dec 2020 16:30 Levonu Vanuatu  0.1
18 Dec 2020 16:30 Avira Vanuatu  0.1
19 Dec 2020 08:30 Houone New Caledonia  0.1
17 Dec 2020 16:30 Gadji New Caledonia  0.1
17 Dec 2020 16:30 Kuto New Caledonia  0.1
17 Dec 2020 16:30 Wapan New Caledonia  0.1
17 Dec 2020 16:30 Vao New Caledonia  0.1
17 Dec 2020 18:30 Napurongo Solomon Islands  0.1
17 Dec 2020 18:30 Naganea Solomon Islands  0.1
17 Dec 2020 18:30 Naparaohau Solomon Islands  0.1
17 Dec 2020 18:30 Naana Solomon Islands  0.1
17 Dec 2020 18:30 Mwaniwowo Solomon Islands  0.1
17 Dec 2020 18:30 Mwarairaru Solomon Islands  0.1
17 Dec 2020 18:30 Maniborkosi Solomon Islands  0.1
17 Dec 2020 18:30 Nasuragena Solomon Islands  0.1
17 Dec 2020 18:30 Funakumwa Solomon Islands  0.1
17 Dec 2020 18:30 Tawarogha Solomon Islands  0.1
17 Dec 2020 18:30 Geta Solomon Islands  0.1
17 Dec 2020 18:30 Star Harb Solomon Islands  0.1
17 Dec 2020 18:30 Mami Solomon Islands  0.1
17 Dec 2020 18:30 Fageifa Solomon Islands  0.1
17 Dec 2020 18:30 Ragapu Solomon Islands  0.1
17 Dec 2020 18:30 Ghupuna Solomon Islands  0.1
17 Dec 2020 16:15 Nikaura Vanuatu  0.1
17 Dec 2020 16:15 Tavio Vanuatu  0.1
17 Dec 2020 16:15 Leman Vanuatu  0.1
17 Dec 2020 16:15 Votlo Vanuatu  0.1
17 Dec 2020 16:15 Mate Vanuatu  0.1
17 Dec 2020 16:15 Nul Vanuatu  0.1
17 Dec 2020 16:15 Filakara Vanuatu  0.1
17 Dec 2020 16:15 Lambukuti Vanuatu  0.1
18 Dec 2020 01:00 Tipindje New Caledonia  0.1
18 Dec 2020 01:00 Pindache New Caledonia  0.1