Overall Green alert Tropical Cyclone for RUBY-21
in New Caledonia

Impact

Tropical Cyclone RUBY-21 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source GDACS
Exposed countries New Caledonia
Exposed population Few people in Category 1 or higher
Maximum wind speed 130 km/h
Maximum storm surge 0.4 m (13 Dec 20:00 UTC)
Vulnerability Medium (New Caledonia)

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 148 km/h 0.4 m n.a. 1.5
Overall 130 km/h 0.4 m n.a. 1.5

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

Wind

148 km/h Current Max.

Up to 36000 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 11 Dec 2021 18:00 139 310 thousand 20 thousand New Caledonia
Orange 2 12 Dec 2021 00:00 148 280 thousand 40 thousand New Caledonia

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 11 Dec 2021 18:00 Tropical storm 65 no people no people -12.8, 156.9
GREEN
2 12 Dec 2021 00:00 Tropical storm 65 no people no people -14.1, 157.1
GREEN
2 12 Dec 2021 12:00 Tropical storm 93 no people no people -15.6, 158.1
GREEN
2 13 Dec 2021 00:00 Category 1 120 no people no people -17.2, 159.5
GREEN
2 13 Dec 2021 12:00 Category 1 139 3600 people 70000 people -18.6, 161.7
ORANGE
2 14 Dec 2021 00:00 Category 1 148 34000 people 280000 people -20, 164.4
GREEN
2 15 Dec 2021 00:00 Category 1 130 no people <1000 people -24, 170.1
GREEN
2 16 Dec 2021 00:00 Tropical storm 111 no people no people -30.3, 176.8
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
New Caledonia

Provinces

Region Province Country
New Caledonia New Caledonia

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)
Belep BMY unknown 0
Hienghene HNG unknown 0
Touho TOU 3 Civ. Paved No 3600
Houailou / Nesson HLU 3 Civ. Paved No 3200
Ile Des Pins Moue ILP 96 Civ. Paved No 3600

Ports

Name LOCODE Country
Baie Ugue NCBUG New Caledonia
Baie de Poro NCPOR New Caledonia
Kouaoua NCKOU New Caledonia
Thialis NCTHI New Caledonia
Kuto New Caledonia

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

0.4 m

The maximum Storm surge height is  0.4m in Panane, New Caledonia. This height is estimated for 13 Dec 2021 20:00 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 (88 locations). Calculation based on advisory number 2 of 12 Dec 2021 00:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert Date (UTC) Name Country Storm surge height (m)
13 Dec 2021 20:00 Panane New Caledonia  0.4
13 Dec 2021 21:00 Ono New Caledonia  0.4
13 Dec 2021 21:00 Wala New Caledonia  0.4
13 Dec 2021 21:00 Bweo New Caledonia  0.4
13 Dec 2021 20:00 Mouane New Caledonia  0.4
13 Dec 2021 21:00 Pairome New Caledonia  0.4
14 Dec 2021 13:00 Plum New Caledonia  0.3
14 Dec 2021 04:00 Paola New Caledonia  0.3
14 Dec 2021 12:00 Prony New Caledonia  0.3
14 Dec 2021 04:00 Ouaco New Caledonia  0.3
14 Dec 2021 13:00 Saint-Louis New Caledonia  0.3
14 Dec 2021 16:00 Gadji New Caledonia  0.3
14 Dec 2021 16:00 Wapan New Caledonia  0.3
14 Dec 2021 08:00 Lekia New Caledonia  0.3
14 Dec 2021 07:00 Kouaoua New Caledonia  0.3
14 Dec 2021 08:00 Fayaoue New Caledonia  0.3
14 Dec 2021 08:00 Wadrilla New Caledonia  0.3
14 Dec 2021 08:00 Ognahu New Caledonia  0.3
14 Dec 2021 01:00 Balaide New Caledonia  0.3
14 Dec 2021 01:00 Saint-Paul New Caledonia  0.3
14 Dec 2021 01:00 Pouebo New Caledonia  0.3
14 Dec 2021 02:00 Yambe New Caledonia  0.3
14 Dec 2021 02:00 Diahoue New Caledonia  0.3
14 Dec 2021 06:00 Ho New Caledonia  0.3
14 Dec 2021 14:00 Yate-Village New Caledonia  0.3
14 Dec 2021 00:00 Tiabet New Caledonia  0.2
14 Dec 2021 13:00 Comm. du Mont-Dore New Caledonia  0.2
13 Dec 2021 22:00 Houone New Caledonia  0.2
14 Dec 2021 13:00 Ouara New Caledonia  0.2
14 Dec 2021 13:00 Noumea New Caledonia  0.2
14 Dec 2021 15:00 Kuto New Caledonia  0.2
14 Dec 2021 15:00 Vao New Caledonia  0.2
14 Dec 2021 05:00 Oundjo New Caledonia  0.2
14 Dec 2021 14:00 Tomo New Caledonia  0.2
14 Dec 2021 02:00 Arama New Caledonia  0.2
14 Dec 2021 14:00 Bouloupari New Caledonia  0.2
14 Dec 2021 09:00 Wegnec St-Joseph New Caledonia  0.2
14 Dec 2021 13:00 Nouville New Caledonia  0.2
14 Dec 2021 01:00 Poum-Plage New Caledonia  0.2
14 Dec 2021 04:00 Kokengone New Caledonia  0.2
14 Dec 2021 12:00 Goro New Caledonia  0.2
13 Dec 2021 22:00 Pam New Caledonia  0.2
14 Dec 2021 04:00 Touho New Caledonia  0.2
14 Dec 2021 05:00 Meomo New Caledonia  0.2
14 Dec 2021 05:00 Houailou New Caledonia  0.2
14 Dec 2021 08:00 Ouasse New Caledonia  0.2
14 Dec 2021 09:00 Saint-Gabriel New Caledonia  0.2
14 Dec 2021 12:00 Nde New Caledonia  0.2
14 Dec 2021 09:00 Petit-Borindi New Caledonia  0.2
14 Dec 2021 10:00 Teouta New Caledonia  0.2
14 Dec 2021 05:00 Kaala-Gomen New Caledonia  0.2
14 Dec 2021 02:00 Colnett New Caledonia  0.2
14 Dec 2021 02:00 Panie New Caledonia  0.2
14 Dec 2021 03:00 Ouanpoues New Caledonia  0.2
14 Dec 2021 07:00 Mouly New Caledonia  0.2
14 Dec 2021 12:00 Paita New Caledonia  0.2
14 Dec 2021 11:00 Mamie New Caledonia  0.2
14 Dec 2021 02:00 Poum New Caledonia  0.2
14 Dec 2021 08:00 Thio New Caledonia  0.2
14 Dec 2021 09:00 Ognat New Caledonia  0.2
14 Dec 2021 03:00 Ouanache New Caledonia  0.1
14 Dec 2021 03:00 Vieux Tuho New Caledonia  0.1
14 Dec 2021 11:00 Waho New Caledonia  0.1
14 Dec 2021 03:00 Ouenguip New Caledonia  0.1
14 Dec 2021 05:00 Bayes New Caledonia  0.1
14 Dec 2021 13:00 Medu New Caledonia  0.1
14 Dec 2021 13:00 Eni New Caledonia  0.1
14 Dec 2021 04:00 Ometteux New Caledonia  0.1
14 Dec 2021 04:00 Ponerihouen New Caledonia  0.1
14 Dec 2021 04:00 Saint-Denis New Caledonia  0.1
14 Dec 2021 05:00 Nepoui New Caledonia  0.1
14 Dec 2021 13:00 Tadine New Caledonia  0.1
14 Dec 2021 05:00 Poro New Caledonia  0.1
14 Dec 2021 03:00 Hienghene New Caledonia  0.1
14 Dec 2021 09:00 Doueoulou New Caledonia  0.1
14 Dec 2021 13:00 Dumbea New Caledonia  0.1
14 Dec 2021 11:00 Xode New Caledonia  0.1
14 Dec 2021 13:00 Wabao New Caledonia  0.1
14 Dec 2021 03:00 Paagoumene New Caledonia  0.1
14 Dec 2021 08:00 Station Ouaneko New Caledonia  0.1
14 Dec 2021 04:00 Mou New Caledonia  0.1
14 Dec 2021 03:00 Tipindje New Caledonia  0.1
14 Dec 2021 03:00 Pindache New Caledonia  0.1
14 Dec 2021 04:00 Poindimie New Caledonia  0.1
14 Dec 2021 13:00 Nece New Caledonia  0.1
14 Dec 2021 13:00 Menaku New Caledonia  0.1
14 Dec 2021 13:00 Miramas New Caledonia  0.1
14 Dec 2021 14:00 Kurine New Caledonia  0.1