Overall Green alert Tropical Cyclone for FOUR-20
in , Fiji, Vanuatu
Impact Single TC
Impact based on all weather systems in the area

Impact

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

Meteorological source ECMWF
Exposed countries Fiji
Exposed population No people in Category 1 or higher
Maximum wind speed 61 km/h
Maximum storm surge 0.4 m (11 Dec 02:15 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
ECMWF Current 61 km/h 0.4 m 17 mm 0.5
ECMWF Overall 112 km/h 0.4 m 735 mm 0.5

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

Wind

112 km/h

Up to Few people can be affected by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

Estimations based on the bulletin of 11 Dec 2020 00:00 UTC
CategoryCountryPopulation 
Tropical StormFiji05 

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 10 Dec 2020 12:00 83 - - - - - - -
GREEN 2 11 Dec 2020 00:00 86 -
- - - - - Fiji
Download:





Impact estimation for the next 72h




Rain exposed population - AoIs

Estimations based on the bulletin of 11 Dec 2020 00:00 UTC
LevelCountryPopulation 
100-250 mmFiji, Vanuatu, New Caledonia15,862
+
Fiji2,164 
Vanuatu1,535 
New Caledonia12,163 
50-100 mmTokelau, Solomon Islands, Tuvalu, Vanuatu, Samoa, Fiji, New Caledonia93,920
+
Tokelau431 
Solomon Islands253 
Tuvalu39 
Fiji7,514 
Vanuatu64,499 
Samoa5,431 
New Caledonia15,753 

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 10 Dec 2020 12:00 23 - - - - - - -
Blue 2 11 Dec 2020 00:00 606 20 thousand
- - - - Tokelau, Solomon Islands, Tuvalu, Fiji, Vanuatu, Samoa, New Caledonia




Impact estimation for the next 72h

StormSurge

0.4 m

The maximum Storm surge height is  0.4m in Lautoka, Fiji. This height is estimated for 11 Dec 2020 02:15 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 11 Dec 2020 00:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
11 Dec 2020 02:15 Lautoka Fiji  0.4
11 Dec 2020 02:15 Nailanga Fiji  0.4
11 Dec 2020 02:15 Sorokoba Fiji  0.4
11 Dec 2020 02:15 Ba Fiji  0.4
11 Dec 2020 01:45 Natunuka Fiji  0.3
11 Dec 2020 01:45 Namaka Fiji  0.3
11 Dec 2020 02:00 Tavua Fiji  0.3
11 Dec 2020 21:30 Koroinasolo Fiji  0.3
11 Dec 2020 21:30 Savu Sau Fiji  0.3
11 Dec 2020 21:30 Navinggiri Fiji  0.3
11 Dec 2020 21:30 Yangganga Fiji  0.3
11 Dec 2020 21:30 Nawailevu Fiji  0.3
11 Dec 2020 09:00 Ouanache New Caledonia  0.3
11 Dec 2020 09:00 Paola New Caledonia  0.3
11 Dec 2020 09:00 Vieux Tuho New Caledonia  0.3
11 Dec 2020 09:00 Touho New Caledonia  0.3
11 Dec 2020 09:00 Kokengone New Caledonia  0.3
13 Dec 2020 23:30 Lao Fiji  0.3
13 Dec 2020 23:30 Nailou Fiji  0.3
13 Dec 2020 23:30 Nawi Fiji  0.3
13 Dec 2020 23:30 Vunikura Fiji  0.3
13 Dec 2020 23:30 Napuka Fiji  0.3
11 Dec 2020 12:45 Rabulu Fiji  0.2
11 Dec 2020 12:45 Togowere Fiji  0.2
11 Dec 2020 01:45 Soso Fiji  0.2
11 Dec 2020 01:45 Somosomo Fiji  0.2
11 Dec 2020 01:45 Matayalevu Fiji  0.2
11 Dec 2020 01:45 Matacawalevu Fiji  0.2
11 Dec 2020 01:45 Sisili Fiji  0.2
11 Dec 2020 08:15 Takataka Solomon Islands  0.2
11 Dec 2020 08:15 Ahia Solomon Islands  0.2
11 Dec 2020 02:30 Naindi Fiji  0.2
11 Dec 2020 02:30 Korosi Fiji  0.2
11 Dec 2020 02:30 Korotasere Fiji  0.2
11 Dec 2020 02:30 Naweni Fiji  0.2
11 Dec 2020 02:30 Nakarambo Fiji  0.2
11 Dec 2020 02:30 Viani Fiji  0.2
11 Dec 2020 00:45 Moneo New Caledonia  0.2
11 Dec 2020 00:45 Ho New Caledonia  0.2
11 Dec 2020 00:45 Meomo New Caledonia  0.2
11 Dec 2020 00:45 Houailou New Caledonia  0.2
11 Dec 2020 00:45 Ouakaya New Caledonia  0.2
11 Dec 2020 00:45 Poro New Caledonia  0.2
11 Dec 2020 01:45 Nalauwaki Fiji  0.2
11 Dec 2020 06:00 Vunivatu Fiji  0.2
11 Dec 2020 06:00 Navukembuli Fiji  0.2
11 Dec 2020 06:00 Naua Fiji  0.2
11 Dec 2020 06:00 Namukalau Fiji  0.2
11 Dec 2020 03:00 Malake Fiji  0.2
11 Dec 2020 03:00 Ndrekeniwai Fiji  0.2
11 Dec 2020 03:00 Mbangasau Fiji  0.2
11 Dec 2020 03:00 Biagunu Fiji  0.2
11 Dec 2020 01:45 Solevu Fiji  0.2
11 Dec 2020 23:45 Korovou Fiji  0.2
11 Dec 2020 23:45 Lodoni Fiji  0.2
11 Dec 2020 23:45 Lawaki Fiji  0.2
11 Dec 2020 23:45 Ucunivanua Fiji  0.2
11 Dec 2020 23:45 Naingani Fiji  0.2
11 Dec 2020 23:45 Navuti Fiji  0.2
11 Dec 2020 23:45 Nasaga Fiji  0.2
11 Dec 2020 23:45 Rukuruku Fiji  0.2
11 Dec 2020 23:45 Lovoni Fiji  0.2
11 Dec 2020 01:45 Tavua Fiji  0.2
11 Dec 2020 21:00 Kouaoua New Caledonia  0.2
12 Dec 2020 00:15 Nasarowangga Fiji  0.2
12 Dec 2020 00:15 Vatutandova Fiji  0.2
12 Dec 2020 00:15 Nasea Fiji  0.2
11 Dec 2020 23:45 Kasavu Fiji  0.2
11 Dec 2020 23:45 Naimasimasi Fiji  0.2
11 Dec 2020 18:30 Mamie New Caledonia  0.2
11 Dec 2020 18:30 Yate-Village New Caledonia  0.2
11 Dec 2020 18:30 Waho New Caledonia  0.2
11 Dec 2020 18:30 Goro New Caledonia  0.2
11 Dec 2020 20:00 Nanduri Fiji  0.2
11 Dec 2020 18:30 Pek Vanuatu  0.2
11 Dec 2020 18:30 Ngusui Vanuatu  0.2
11 Dec 2020 05:30 Nacula Fiji  0.1
11 Dec 2020 05:30 Navotua Fiji  0.1
11 Dec 2020 05:30 Tamusua Fiji  0.1
12 Dec 2020 06:00 Abnetare Vanuatu  0.1
12 Dec 2020 06:00 Segond Vanuatu  0.1
12 Dec 2020 06:00 Luganville Vanuatu  0.1
12 Dec 2020 06:00 Saraotou Vanuatu  0.1
12 Dec 2020 06:00 Palikoulo Vanuatu  0.1
12 Dec 2020 02:00 Crepeta Vanuatu  0.1
12 Dec 2020 03:15 Rakiraki Fiji  0.1
12 Dec 2020 03:15 Vaileka Fiji  0.1
12 Dec 2020 03:15 Nanukuloa Fiji  0.1
12 Dec 2020 03:15 Nasau Fiji  0.1
11 Dec 2020 04:30 Nabouwalu Fiji  0.1
11 Dec 2020 04:30 Thavanga Fiji  0.1
11 Dec 2020 04:30 Ndaria Fiji  0.1
11 Dec 2020 04:30 Rave-rave Fiji  0.1
11 Dec 2020 04:30 Nausori Fiji  0.1
11 Dec 2020 04:30 Lokia Fiji  0.1
11 Dec 2020 04:30 Cautata Fiji  0.1
11 Dec 2020 04:30 Nasilai Fiji  0.1
11 Dec 2020 04:30 Dromuna Fiji  0.1
11 Dec 2020 05:30 Teci Fiji  0.1
11 Dec 2020 03:15 Vangai Fiji  0.1
11 Dec 2020 23:45 Nauouo Fiji  0.1
11 Dec 2020 23:45 Levuka Fiji  0.1
12 Dec 2020 21:00 Natua Fiji  0.1
12 Dec 2020 21:00 Mbangata Fiji  0.1
12 Dec 2020 21:00 Savusavu Fiji  0.1
11 Dec 2020 17:30 Ladhu Vanuatu  0.1
11 Dec 2020 17:30 Lavatavo Vanuatu  0.1
11 Dec 2020 17:30 Iakobone Vanuatu  0.1
11 Dec 2020 17:30 Hog Harbour Vanuatu  0.1
11 Dec 2020 22:15 Namboutini Fiji  0.1
11 Dec 2020 19:45 Houone New Caledonia  0.1
11 Dec 2020 19:45 Tiabet New Caledonia  0.1
12 Dec 2020 00:15 Ndenimanu Fiji  0.1
11 Dec 2020 08:45 Kaokaona Solomon Islands  0.1
11 Dec 2020 08:45 Umara Solomon Islands  0.1
11 Dec 2020 08:45 Pamua Solomon Islands  0.1
11 Dec 2020 08:45 Sungasau Solomon Islands  0.1
11 Dec 2020 08:45 Tawarodo Solomon Islands  0.1
11 Dec 2020 08:45 Hulihale Solomon Islands  0.1
11 Dec 2020 08:45 Kaonasughu Solomon Islands  0.1
11 Dec 2020 08:45 Waimapuru Solomon Islands  0.1
11 Dec 2020 08:45 Mwanimauru Solomon Islands  0.1
11 Dec 2020 08:45 Manihinua Solomon Islands  0.1
11 Dec 2020 08:45 Manchuki Solomon Islands  0.1
11 Dec 2020 08:45 Ngorangora Solomon Islands  0.1
11 Dec 2020 08:45 Arohane Solomon Islands  0.1
11 Dec 2020 08:45 Tawani Solomon Islands  0.1
11 Dec 2020 08:45 Manewiriwiri Solomon Islands  0.1
12 Dec 2020 12:00 Arama New Caledonia  0.1
12 Dec 2020 12:00 Pam New Caledonia  0.1
11 Dec 2020 08:45 Narano Solomon Islands  0.1
11 Dec 2020 08:45 Napurongo Solomon Islands  0.1
11 Dec 2020 08:45 Naganea Solomon Islands  0.1
11 Dec 2020 08:45 Nakuhu Solomon Islands  0.1
11 Dec 2020 08:45 Naparaohau Solomon Islands  0.1
11 Dec 2020 08:45 Naana Solomon Islands  0.1
11 Dec 2020 08:45 Mwaniwowo Solomon Islands  0.1
11 Dec 2020 08:45 Mwarairaru Solomon Islands  0.1
11 Dec 2020 08:45 Maniborkosi Solomon Islands  0.1
11 Dec 2020 08:45 Nasuragena Solomon Islands  0.1
11 Dec 2020 08:45 Funakumwa Solomon Islands  0.1
11 Dec 2020 08:45 Tawarogha Solomon Islands  0.1
11 Dec 2020 08:45 Geta Solomon Islands  0.1
11 Dec 2020 08:45 Star Harb Solomon Islands  0.1
11 Dec 2020 08:45 Mami Solomon Islands  0.1
11 Dec 2020 08:45 Fageifa Solomon Islands  0.1
11 Dec 2020 08:45 Ragapu Solomon Islands  0.1
11 Dec 2020 08:45 Ghupuna Solomon Islands  0.1
12 Dec 2020 21:15 Umpon Mompu Vanuatu  0.1
12 Dec 2020 21:15 Potnarvin Vanuatu  0.1
12 Dec 2020 21:15 Yawisaghuwi Vanuatu  0.1
12 Dec 2020 21:15 Ipota Vanuatu  0.1
12 Dec 2020 21:15 Ifo Vanuatu  0.1
13 Dec 2020 18:15 Poum-Plage New Caledonia  0.1
11 Dec 2020 08:45 Namakohigho Solomon Islands  0.1
11 Dec 2020 08:45 Wango Solomon Islands  0.1
11 Dec 2020 08:45 Maniate Solomon Islands  0.1
11 Dec 2020 08:45 Tawasu Solomon Islands  0.1
11 Dec 2020 08:45 Manakia Solomon Islands  0.1
11 Dec 2020 08:45 Paa Solomon Islands  0.1
11 Dec 2020 08:45 Naparaoinawa Solomon Islands  0.1
11 Dec 2020 08:45 Ngagatari Solomon Islands  0.1
11 Dec 2020 08:45 Nahahau Solomon Islands  0.1
11 Dec 2020 13:30 Gasele Fiji  0.1
11 Dec 2020 13:30 Soso Fiji  0.1
11 Dec 2020 13:30 Kavala Fiji  0.1
11 Dec 2020 13:30 Kaduvu Fiji  0.1
11 Dec 2020 13:30 Nukuvou Fiji  0.1
11 Dec 2020 13:30 Nabouwalu Fiji  0.1
11 Dec 2020 13:30 Vabea Fiji  0.1
11 Dec 2020 01:30 Nadi Fiji  0.1
12 Dec 2020 00:30 Ndalomo Fiji  0.1
12 Dec 2020 05:00 Paagoumene New Caledonia  0.1
12 Dec 2020 05:00 Koumac New Caledonia  0.1
12 Dec 2020 05:00 Kaala-Gomen New Caledonia  0.1
11 Dec 2020 20:45 Tawake Fiji  0.1
11 Dec 2020 18:15 Loanatom Vanuatu  0.1
11 Dec 2020 18:15 Loounemeloupang Vanuatu  0.1
11 Dec 2020 18:15 Loounimhapeun Vanuatu  0.1
11 Dec 2020 18:15 Laounalang Vanuatu  0.1
11 Dec 2020 18:15 Lowkahmal Vanuatu  0.1
11 Dec 2020 18:15 Lownepina Vanuatu  0.1
11 Dec 2020 18:15 Imwareupo Vanuatu  0.1
11 Dec 2020 18:15 Waisisi Vanuatu  0.1
11 Dec 2020 08:45 Bio I Solomon Islands  0.1
11 Dec 2020 08:45 Suenn Solomon Islands  0.1
12 Dec 2020 03:00 Panane New Caledonia  0.1
12 Dec 2020 03:00 Mouane New Caledonia  0.1
12 Dec 2020 03:00 Ono New Caledonia  0.1
12 Dec 2020 03:00 Wala New Caledonia  0.1
12 Dec 2020 03:00 Bweo New Caledonia  0.1
12 Dec 2020 03:00 Pairome New Caledonia  0.1
11 Dec 2020 12:45 Nayavutoka Fiji  0.1
12 Dec 2020 00:15 Navindamu Fiji  0.1
11 Dec 2020 17:45 Ponkovia Vanuatu  0.1
11 Dec 2020 17:45 Lamarou Vanuatu  0.1
11 Dec 2020 17:45 Lamen Vanuatu  0.1
11 Dec 2020 17:45 Paia Vanuatu  0.1
11 Dec 2020 17:45 Vaoleli Vanuatu  0.1
11 Dec 2020 17:45 Tafouale Vanuatu  0.1
11 Dec 2020 17:45 Liro Vanuatu  0.1
11 Dec 2020 17:45 Nikaura Vanuatu  0.1
11 Dec 2020 17:45 Tavio Vanuatu  0.1
11 Dec 2020 17:45 Ignal Vanuatu  0.1
11 Dec 2020 17:45 Lulep Nesa Vanuatu  0.1
11 Dec 2020 17:45 Mate Vanuatu  0.1
11 Dec 2020 17:45 Halos Vanuatu  0.1
11 Dec 2020 08:45 Fagani Solomon Islands  0.1
12 Dec 2020 05:00 Nouville New Caledonia  0.1
12 Dec 2020 05:00 Noumea New Caledonia  0.1
12 Dec 2020 05:00 Plum New Caledonia  0.1
11 Dec 2020 18:30 Ouasse New Caledonia  0.1
11 Dec 2020 08:45 Etamarorai Solomon Islands  0.1
11 Dec 2020 08:45 Wango Solomon Islands  0.1
11 Dec 2020 08:45 Manewaro Solomon Islands  0.1
11 Dec 2020 08:45 Tetere Solomon Islands  0.1
11 Dec 2020 08:45 Asimaenioha Solomon Islands  0.1
11 Dec 2020 08:45 Bia Solomon Islands  0.1
11 Dec 2020 09:00 Haarumou Solomon Islands  0.1
11 Dec 2020 09:00 Ahenawai Solomon Islands  0.1
11 Dec 2020 04:30 Ndawara Fiji  0.1
11 Dec 2020 04:30 Waisa Fiji  0.1
11 Dec 2020 09:00 Palasuu Solomon Islands  0.1
11 Dec 2020 05:30 Mbukama Fiji  0.1
11 Dec 2020 05:30 Yasawairara Fiji  0.1
13 Dec 2020 18:15 Poum New Caledonia  0.1
11 Dec 2020 08:45 Anoni'usu Solomon Islands  0.1
11 Dec 2020 08:45 Saa Solomon Islands  0.1
11 Dec 2020 08:45 Maranu'u Solomon Islands  0.1
11 Dec 2020 08:45 Heuru Solomon Islands  0.1
12 Dec 2020 06:45 Thio New Caledonia  0.1
12 Dec 2020 06:45 Saint-Gabriel New Caledonia  0.1
12 Dec 2020 06:45 Saint Roch New Caledonia  0.1
11 Dec 2020 08:45 Suuruaharau Solomon Islands  0.1
11 Dec 2020 08:45 Onehatare Solomon Islands  0.1
11 Dec 2020 12:45 Vunisea Fiji  0.1
11 Dec 2020 12:45 Mburelevu Fiji  0.1
11 Dec 2020 12:45 Mokoisa Fiji  0.1
11 Dec 2020 12:45 Naikorokoro Fiji  0.1
11 Dec 2020 12:45 Namara Fiji  0.1
11 Dec 2020 17:15 Tenmaru Vanuatu  0.1
11 Dec 2020 17:15 Wowo Vanuatu  0.1
11 Dec 2020 17:15 Asavagas Vanuatu  0.1
11 Dec 2020 17:15 Laruru Vanuatu  0.1
11 Dec 2020 17:15 Vao Vanuatu  0.1
11 Dec 2020 19:00 Ouinne New Caledonia  0.1
11 Dec 2020 08:45 Ubuna Solomon Islands  0.1
11 Dec 2020 08:45 Tawaiabu Solomon Islands  0.1
11 Dec 2020 08:45 Tarosi Solomon Islands  0.1
11 Dec 2020 08:45 Ulawa I Solomon Islands  0.1
11 Dec 2020 08:45 Mwarada Solomon Islands  0.1
11 Dec 2020 08:45 Ahia Solomon Islands  0.1
11 Dec 2020 08:45 Sioduru Solomon Islands  0.1
12 Dec 2020 04:30 Paita New Caledonia  0.1
12 Dec 2020 04:30 Dumbea New Caledonia  0.1
12 Dec 2020 04:30 Comm. du Mont-Dore New Caledonia  0.1
12 Dec 2020 04:30 Saint-Louis New Caledonia  0.1
11 Dec 2020 18:00 Nagumu Fiji  0.1
11 Dec 2020 08:45 Su'utaluhia Solomon Islands  0.1
11 Dec 2020 08:45 Taheramo Solomon Islands  0.1
11 Dec 2020 08:45 Ngorangora Solomon Islands  0.1
11 Dec 2020 08:45 Manuagere Solomon Islands  0.1
11 Dec 2020 08:45 Hada Solomon Islands  0.1
11 Dec 2020 08:45 Maneoura Solomon Islands  0.1
11 Dec 2020 00:45 Souleisere Vanuatu  0.1
11 Dec 2020 00:45 Piapouria Vanuatu  0.1
11 Dec 2020 00:45 Mae Vanuatu  0.1
11 Dec 2020 00:45 Tourebiou Vanuatu  0.1
11 Dec 2020 00:45 Atsaritibi Vanuatu  0.1
11 Dec 2020 00:45 Robertsons Vanuatu  0.1
11 Dec 2020 00:45 Bakakara Vanuatu  0.1
11 Dec 2020 00:45 Terou Vanuatu  0.1
11 Dec 2020 00:45 Worovok Vanuatu  0.1
12 Dec 2020 20:30 Gadji New Caledonia  0.1
12 Dec 2020 20:30 Kuto New Caledonia  0.1
12 Dec 2020 20:30 Wapan New Caledonia  0.1
12 Dec 2020 20:30 Vao New Caledonia  0.1
11 Dec 2020 01:15 Gavigamana Vanuatu  0.1
11 Dec 2020 01:15 Vipaka Vanuatu  0.1
11 Dec 2020 18:00 Saint-Denis New Caledonia  0.1
11 Dec 2020 18:00 Poindimie New Caledonia  0.1
11 Dec 2020 18:00 Bayes New Caledonia  0.1
12 Dec 2020 04:30 Nepoui New Caledonia  0.1
12 Dec 2020 04:30 Station Ouaneko New Caledonia  0.1
12 Dec 2020 04:30 Station de Beaupre New Caledonia  0.1
11 Dec 2020 01:00 Malapu Solomon Islands  0.1
11 Dec 2020 01:00 Tuo Solomon Islands  0.1
11 Dec 2020 01:00 Lomlom Solomon Islands  0.1
11 Dec 2020 01:00 Namania Solomon Islands  0.1
11 Dec 2020 01:00 Nuali Solomon Islands  0.1
11 Dec 2020 01:00 Lipe Solomon Islands  0.1
11 Dec 2020 08:45 Oneoia Solomon Islands  0.1