Overall Green alert Tropical Cyclone for IRENE-23
in Vanuatu, New Caledonia
Impact Single TC
Impact based on all weather systems in the area

Impact

Tropical Cyclone IRENE-23 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source GDACS
Exposed countries Vanuatu, New Caledonia
Exposed population No people in Category 1 or higher
Maximum wind speed 93 km/h
Maximum storm surge 0.3 m (19 Jan 00:00 UTC)
Vulnerability Medium (New Caledonia)
Landfall between
18 Jan 2023 18:00 - 19 Jan 2023 00:00

in Vanuatu

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 83 km/h 0.3 m n.a. 0.5
Overall 93 km/h 0.3 m n.a. 0.5

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

Wind

83 km/h Current Max.

Up to 130000 people in Tropical Storm 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 18 Jan 2023 00:00 93 160 thousand No people New Caledonia, Vanuatu
Green 2 18 Jan 2023 06:00 102 130 thousand No people New Caledonia, Vanuatu
Green 3 18 Jan 2023 12:00 102 110 thousand No people New Caledonia, Vanuatu
Green 4 18 Jan 2023 18:00 102 130 thousand No people New Caledonia, Vanuatu
Green 5 19 Jan 2023 00:00 83 130 thousand No people Vanuatu, 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 18 Jan 2023 00:00 Tropical storm 65 no people 15000 people -17.8, 161.5
GREEN
2 18 Jan 2023 06:00 Tropical storm 74 no people 77000 people -18, 163.3
GREEN
3 18 Jan 2023 12:00 Tropical storm 93 no people 110000 people -18.3, 165.3
GREEN
4 18 Jan 2023 18:00 Tropical storm 93 no people 130000 people -18.8, 166.4
GREEN
5 19 Jan 2023 00:00 Tropical storm 83 no people 38000 people -19.6, 169.3 Vanuatu
GREEN
5 19 Jan 2023 12:00 Tropical storm 83 no people <1000 people -21.9, 173.2
GREEN
5 20 Jan 2023 00:00 Tropical storm 74 no people no people -24.4, 176.3
GREEN
5 20 Jan 2023 12:00 Tropical storm 65 no people no people -26.7, 178.6
GREEN
5 21 Jan 2023 00:00 Tropical storm 65 no people no people -28.7, -179.3
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 Population in Tropical Storm or higher strength
Vanuatu 97000 people
New Caledonia 6500 people

Provinces

Region Province Country Population in Tropical Storm or higher strength
Vanuatu Vanuatu 97000 people
New Caledonia New Caledonia 6500 people

Populated places

Name Region Province Country City class Population
Port-Vila Vanuatu Capital 36000 people

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)
Tanna Island Tanna TAH unknown 0
White Grass 6 Civ. Paved Yes 5000
Aniwa AWD unknown 0
Ipota IPA unknown 0
Dillons Bay DLY unknown 0
Futuna Island FTA unknown 0
Port Vila Bauerfield VLI 20 Civ. Paved Yes 8500
Quine Hill UIQ unknown 0
Lamap LPM unknown 0
Wanaham LIF 28 Civ. Paved No 3600
Ouvea Ouloup UVE 7 Civ. Paved No 3600
Belep BMY unknown 0

Ports

Name LOCODE Country
Tana Island Vanuatu
Aneityum Island Vanuatu
Forari Bay Vanuatu
Port Vila VUVLI Vanuatu
We New Caledonia
Matthew Island New Caledonia
Hunter Island 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

0.3 m

The maximum Storm surge height is  0.3m in Yerou, Vanuatu. This height is estimated for 19 Jan 2023 00:00 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 (51 locations). Calculation based on advisory number 5 of 19 Jan 2023 00:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert Date (UTC) Name Country Storm surge height (m)
19 Jan 2023 00:00 Yerou Vanuatu  0.3
19 Jan 2023 00:00 Lenakel Vanuatu  0.2
19 Jan 2023 00:00 Isangel Vanuatu  0.2
19 Jan 2023 00:00 Loanatom Vanuatu  0.2
19 Jan 2023 00:00 Loonelapeun Vanuatu  0.2
19 Jan 2023 00:00 White Sands Vanuatu  0.2
19 Jan 2023 00:00 Ireupuow Vanuatu  0.2
19 Jan 2023 00:00 Imareukak Vanuatu  0.2
19 Jan 2023 00:00 Yokopenan Vanuatu  0.2
18 Jan 2023 23:00 Ipota Vanuatu  0.2
19 Jan 2023 00:00 Laounalang Vanuatu  0.2
19 Jan 2023 00:00 Lowkahmal Vanuatu  0.2
19 Jan 2023 00:00 Imwareupo Vanuatu  0.2
19 Jan 2023 00:00 Waisisi Vanuatu  0.2
19 Jan 2023 00:00 Isaka Vanuatu  0.2
19 Jan 2023 00:00 Ombous Vanuatu  0.2
19 Jan 2023 02:00 Anelghowhat Vanuatu  0.2
19 Jan 2023 00:00 Loounemeloupang Vanuatu  0.2
19 Jan 2023 00:00 Loounimhapeun Vanuatu  0.2
19 Jan 2023 02:00 Port Patrick Vanuatu  0.2
19 Jan 2023 02:00 Isino Vanuatu  0.2
19 Jan 2023 02:00 Umetch Vanuatu  0.2
18 Jan 2023 23:00 Potnarvin Vanuatu  0.2
19 Jan 2023 00:00 Isavai Vanuatu  0.2
18 Jan 2023 23:00 Unpongkor Vanuatu  0.1
18 Jan 2023 23:00 Rampunalvat Vanuatu  0.1
18 Jan 2023 23:00 Happy Land Vanuatu  0.1
19 Jan 2023 02:00 Mohoun'gha Vanuatu  0.1
19 Jan 2023 02:00 Ipao Vanuatu  0.1
18 Jan 2023 23:00 Navolou Vanuatu  0.1
18 Jan 2023 23:00 Umpon Mompu Vanuatu  0.1
18 Jan 2023 23:00 Yawisaghuwi Vanuatu  0.1
19 Jan 2023 00:00 Lownepina Vanuatu  0.1
18 Jan 2023 23:00 Prony New Caledonia  0.1
19 Jan 2023 00:00 Ifo Vanuatu  0.1
19 Jan 2023 00:00 Nouville New Caledonia  0.1
19 Jan 2023 00:00 Noumea New Caledonia  0.1
19 Jan 2023 00:00 Comm. du Mont-Dore New Caledonia  0.1
19 Jan 2023 04:00 Saint-Louis New Caledonia  0.1
18 Jan 2023 23:00 Wegnec St-Joseph New Caledonia  0.1
18 Jan 2023 23:00 Teouta New Caledonia  0.1
19 Jan 2023 04:00 Plum New Caledonia  0.1
19 Jan 2023 04:00 Ouara New Caledonia  0.1
19 Jan 2023 04:00 Yate-Village New Caledonia  0.1
19 Jan 2023 04:00 Waho New Caledonia  0.1
19 Jan 2023 04:00 Goro New Caledonia  0.1
19 Jan 2023 01:00 Yeruareng Vanuatu  0.1
19 Jan 2023 03:00 Dumbea New Caledonia  0.1
19 Jan 2023 05:00 Bouloupari New Caledonia  0.1
19 Jan 2023 05:00 Tomo New Caledonia  0.1
19 Jan 2023 17:00 Lautoka Fiji  0.1