Overall Red Tropical Cyclone alert for YASA-20 in Fiji, from 12 Dec 2020 12:00 UTC to 20 Dec 2020 00:00 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Red alert Tropical Cyclone for YASA-20

in Fiji,

13 Dec 2020 18 UTC

click on

to select bulletin time

Meteorological source:

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	GFS
Exposed countries	Tonga
Exposed population	No people in Category 1 or higher
Maximum wind speed	101 km/h
Maximum storm surge	0.2 m (13 Dec 22:00 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	101 km/h	0.2 m	181 mm	0.5
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)

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Wind

281 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 13 Dec 2020 18:00 UTC

Category	Country	Population
Tropical Storm	Tonga	950

See TC classification SSHS

Wind Impact Timeline

people affected <=10000

10000< people affected <=100000

people affected >100000

N°	Date (UTC)	Max Winds (km/h)	Pop in Cat. 1 or higher	TS	Cat. 1	Cat. 2	Cat. 3	Cat. 4	Cat. 5	Countries
1	12 Dec 2020 12:00	101	-	-	-	-	-	-	-
2	12 Dec 2020 18:00	83	-	-	-	-	-	-	-
3	13 Dec 2020 00:00	68	-	-	-	-	-	-	-
4	13 Dec 2020 06:00	68	-	-	-	-	-	-	-
5	13 Dec 2020 12:00	94	-	-	-	-	-	-	-
6	13 Dec 2020 18:00	191	-		-	-	-	-	-	Tonga

Download:

Impact estimation for the next 72h

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Rainfall

Rain exposed population - AoIs

Estimations based on the bulletin of 13 Dec 2020 18:00 UTC

Level	Country	Population
100-250 mm	Solomon Islands, Wallis and Futuna	13,207	+
	Solomon Islands	244
	Wallis and Futuna	12,963
50-100 mm	Tuvalu, Solomon Islands, Fiji, Wallis and Futuna, Vanuatu, Tonga	531,312	+
	Tuvalu	8,008
	Solomon Islands	2,599
	Fiji	484,661
	Wallis and Futuna	2,598
	Vanuatu	33,181
	Tonga	265

Rain Impact Timeline

people affected <=10000

10000< people affected <=100000

people affected >100000

N°	Date (UTC)	Max Rainfall (mm)	Pop >100mm or higher	50-100	100-250	250-500	500-750	750-1000	>1000	Countries
1	12 Dec 2020 12:00	229	-	-	-	-	-	-	-
2	12 Dec 2020 18:00	268	-	-	-	-	-	-	-
3	13 Dec 2020 00:00	132	-	-	-	-	-	-	-
4	13 Dec 2020 06:00	43	-	-	-	-	-	-	-
5	13 Dec 2020 12:00	163	-	-	-	-	-	-	-
6	13 Dec 2020 18:00	1613	10 thousand			-	-	-	-	Tuvalu, Solomon Islands, Fiji, Wallis and Futuna, Vanuatu, Tonga

Impact estimation for the next 72h

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StormSurge

0.2 m

The maximum Storm surge height is 0.2m in Lao, Fiji. This height is estimated for 13 Dec 2020 22:00 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 13 Dec 2020 18:00 UTC

Alert	Date (UTC)	Name	Country	Storm surge height (m)
	13 Dec 2020 22:00	Lao	Fiji	0.2
	13 Dec 2020 22:00	Vangai	Fiji	0.2
	13 Dec 2020 22:00	Nawi	Fiji	0.2
	13 Dec 2020 22:00	Vunikura	Fiji	0.2
	13 Dec 2020 22:00	Nailou	Fiji	0.2
	13 Dec 2020 22:00	Napuka	Fiji	0.2
	13 Dec 2020 22:45	Lambulmbatuei	Vanuatu	0.2
	13 Dec 2020 22:45	Meriver	Vanuatu	0.2
	13 Dec 2020 22:45	Bourbar	Vanuatu	0.2
	13 Dec 2020 22:45	Lamap	Vanuatu	0.2
	13 Dec 2020 22:45	Peskarus	Vanuatu	0.2
	13 Dec 2020 18:00	Naindi	Fiji	0.2
	13 Dec 2020 18:00	Korosi	Fiji	0.2
	13 Dec 2020 18:00	Korotasere	Fiji	0.2
	13 Dec 2020 18:00	Naweni	Fiji	0.2
	13 Dec 2020 18:00	Nakarambo	Fiji	0.2
	13 Dec 2020 18:00	Viani	Fiji	0.2
	13 Dec 2020 18:00	Ndrekeniwai	Fiji	0.2
	14 Dec 2020 00:00	Nawailevu	Fiji	0.2
	14 Dec 2020 00:00	Nasarowangga	Fiji	0.2
	14 Dec 2020 00:00	Navindamu	Fiji	0.2
	13 Dec 2020 18:15	Paola	New Caledonia	0.2
	13 Dec 2020 18:15	Vieux Tuho	New Caledonia	0.2
	13 Dec 2020 18:15	Touho	New Caledonia	0.2
	13 Dec 2020 18:15	Kokengone	New Caledonia	0.2
	13 Dec 2020 18:15	Saint-Denis	New Caledonia	0.2
	13 Dec 2020 23:45	Koroinasolo	Fiji	0.2
	13 Dec 2020 23:45	Savu Sau	Fiji	0.2
	13 Dec 2020 23:45	Navinggiri	Fiji	0.2
	13 Dec 2020 23:45	Yangganga	Fiji	0.2
	13 Dec 2020 21:45	Malake	Fiji	0.2
	13 Dec 2020 21:45	Mbangasau	Fiji	0.2
	13 Dec 2020 21:30	Biagunu	Fiji	0.2
	13 Dec 2020 19:45	Nabouwalu	Fiji	0.2
	13 Dec 2020 19:45	Thavanga	Fiji	0.2
	13 Dec 2020 19:45	Ndaria	Fiji	0.2
	13 Dec 2020 19:45	Rave-rave	Fiji	0.2
	13 Dec 2020 19:45	Ndawara	Fiji	0.2
	14 Dec 2020 00:00	Ndalomo	Fiji	0.1
	14 Dec 2020 00:00	Naruwai	Fiji	0.1
	13 Dec 2020 18:15	Namboutini	Fiji	0.1
	14 Dec 2020 00:00	Nailanga	Fiji	0.1
	14 Dec 2020 00:00	Sorokoba	Fiji	0.1
	14 Dec 2020 00:00	Ba	Fiji	0.1
	14 Dec 2020 00:00	Natunuka	Fiji	0.1
	13 Dec 2020 18:30	Thio	New Caledonia	0.1
	13 Dec 2020 18:30	Saint-Gabriel	New Caledonia	0.1
	13 Dec 2020 18:30	Saint Roch	New Caledonia	0.1
	13 Dec 2020 18:00	Mamie	New Caledonia	0.1
	13 Dec 2020 18:00	Yate-Village	New Caledonia	0.1
	13 Dec 2020 18:00	Waho	New Caledonia	0.1
	13 Dec 2020 18:30	Meomo	New Caledonia	0.1
	13 Dec 2020 18:30	Houailou	New Caledonia	0.1
	13 Dec 2020 18:30	Ouakaya	New Caledonia	0.1
	13 Dec 2020 18:30	Poro	New Caledonia	0.1
	13 Dec 2020 19:15	Pam	New Caledonia	0.1
	13 Dec 2020 19:15	Balaide	New Caledonia	0.1
	13 Dec 2020 19:15	Saint-Paul	New Caledonia	0.1
	13 Dec 2020 18:30	Moneo	New Caledonia	0.1
	13 Dec 2020 18:30	Ho	New Caledonia	0.1
	13 Dec 2020 18:30	Nayavutoka	Fiji	0.1
	13 Dec 2020 18:30	Lodoni	Fiji	0.1
	13 Dec 2020 18:30	Lawaki	Fiji	0.1
	13 Dec 2020 18:30	Naingani	Fiji	0.1
	13 Dec 2020 18:30	Navuti	Fiji	0.1
	14 Dec 2020 00:00	Tavua	Fiji	0.1
	14 Dec 2020 00:00	Rabulu	Fiji	0.1
	14 Dec 2020 00:00	Togowere	Fiji	0.1
	14 Dec 2020 00:00	Lautoka	Fiji	0.1
	13 Dec 2020 18:45	Poindimie	New Caledonia	0.1
	13 Dec 2020 18:45	Ometteux	New Caledonia	0.1
	13 Dec 2020 18:45	Bayes	New Caledonia	0.1
	13 Dec 2020 20:30	Tiabet	New Caledonia	0.1
	13 Dec 2020 20:30	Poum	New Caledonia	0.1
	13 Dec 2020 20:30	Poum-Plage	New Caledonia	0.1
	13 Dec 2020 20:30	Arama	New Caledonia	0.1
	13 Dec 2020 18:45	Korovou	Fiji	0.1
	13 Dec 2020 23:15	Vunivatu	Fiji	0.1
	13 Dec 2020 23:15	Navukembuli	Fiji	0.1
	13 Dec 2020 23:15	Naua	Fiji	0.1
	13 Dec 2020 23:15	Namukalau	Fiji	0.1
	13 Dec 2020 18:15	Kasavu	Fiji	0.1
	13 Dec 2020 18:15	Naimasimasi	Fiji	0.1
	13 Dec 2020 18:15	Ucunivanua	Fiji	0.1
	13 Dec 2020 18:15	Nasaga	Fiji	0.1
	13 Dec 2020 18:15	Lovoni	Fiji	0.1
	14 Dec 2020 00:00	Ndenimanu	Fiji	0.1
	13 Dec 2020 18:15	Ouinne	New Caledonia	0.1
	14 Dec 2020 00:00	Nagumu	Fiji	0.1
	13 Dec 2020 19:00	Umpon Mompu	Vanuatu	0.1
	13 Dec 2020 19:00	Potnarvin	Vanuatu	0.1
	13 Dec 2020 19:00	Yawisaghuwi	Vanuatu	0.1
	13 Dec 2020 19:00	Ipota	Vanuatu	0.1
	13 Dec 2020 19:00	Ifo	Vanuatu	0.1
	13 Dec 2020 18:00	Rakiraki	Fiji	0.1
	13 Dec 2020 18:00	Vaileka	Fiji	0.1
	13 Dec 2020 18:00	Nanukuloa	Fiji	0.1
	13 Dec 2020 18:00	Nasau	Fiji	0.1
	13 Dec 2020 22:45	Nikaura	Vanuatu	0.1
	13 Dec 2020 22:45	Tavio	Vanuatu	0.1
	13 Dec 2020 22:45	Leman	Vanuatu	0.1
	13 Dec 2020 22:45	Votlo	Vanuatu	0.1
	13 Dec 2020 22:45	Mate	Vanuatu	0.1
	13 Dec 2020 22:45	Nul	Vanuatu	0.1
	13 Dec 2020 22:45	Filakara	Vanuatu	0.1
	13 Dec 2020 22:45	Lambukuti	Vanuatu	0.1
	13 Dec 2020 23:00	Abnetare	Vanuatu	0.1
	13 Dec 2020 23:00	Segond	Vanuatu	0.1
	13 Dec 2020 23:00	Asavagas	Vanuatu	0.1
	13 Dec 2020 18:45	Rukuruku	Fiji	0.1
	13 Dec 2020 18:45	Nauouo	Fiji	0.1
	14 Dec 2020 00:00	Matayalevu	Fiji	0.1
	13 Dec 2020 18:30	Kouaoua	New Caledonia	0.1
	13 Dec 2020 18:30	Canala	New Caledonia	0.1
	13 Dec 2020 18:30	Ouasse	New Caledonia	0.1
	13 Dec 2020 22:45	Kouroumanpe	Vanuatu	0.1
	13 Dec 2020 22:45	Mangarisu	Vanuatu	0.1
	13 Dec 2020 21:15	Panane	New Caledonia	0.1
	13 Dec 2020 21:15	Mouane	New Caledonia	0.1
	13 Dec 2020 21:15	Ono	New Caledonia	0.1
	13 Dec 2020 21:15	Wala	New Caledonia	0.1
	14 Dec 2020 00:00	Sisili	Fiji	0.1
	14 Dec 2020 00:00	Matacawalevu	Fiji	0.1
	13 Dec 2020 21:15	Bweo	New Caledonia	0.1
	13 Dec 2020 21:15	Pairome	New Caledonia	0.1
	13 Dec 2020 18:15	Tawake	Fiji	0.1
	13 Dec 2020 18:15	Nukusa	Fiji	0.1

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.