Overall Red alert Tropical Cyclone for NIRAN-21
in New Caledonia, Australia, Norfolk Island, Vanuatu

Impact

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

Meteorological source GDACS
Glide number: TC-2021-000069-NCL
Exposed countries New Caledonia, Australia, Norfolk Island, Vanuatu
Exposed population 240 thousand in Category 1 or higher
Maximum wind speed 259 km/h
Maximum storm surge 0.8 m (01 Mar 11:00 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 130 km/h 0.8 m n.a. 0.5
Overall 259 km/h 0.8 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

130 km/h Current Max.

Up to no 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 01 Mar 2021 00:00 130 220 thousand No people Australia
Green 2 01 Mar 2021 06:00 130 240 thousand No people Australia
Green 3 01 Mar 2021 12:00 130 230 thousand No people Australia

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 01 Mar 2021 00:00 Tropical storm 65 no people 190000 people -17.2, 147.2
GREEN
2 01 Mar 2021 06:00 Tropical storm 65 no people 230000 people -16.7, 146.8
GREEN
3 01 Mar 2021 12:00 Tropical storm 74 no people 6100 people -16.1, 146.9
GREEN
3 02 Mar 2021 00:00 Tropical storm 83 no people 2900 people -15.4, 147.3
GREEN
3 02 Mar 2021 12:00 Tropical storm 83 no people no people -15.2, 147.6
GREEN
3 03 Mar 2021 00:00 Tropical storm 93 no people no people -15.2, 148.1
GREEN
3 03 Mar 2021 12:00 Tropical storm 102 no people no people -15.4, 148.5
GREEN
3 04 Mar 2021 12:00 Tropical storm 111 no people no people -15.9, 149.7
GREEN
3 05 Mar 2021 12:00 Category 1 120 no people no people -17.7, 153.7
GREEN
3 06 Mar 2021 12:00 Category 1 130 no people no people -20.6, 160.2
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

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Ports

Name LOCODE Country
Chesterfield Iles Coral Sea Islands

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

0.8 m

The maximum Storm surge height is  0.8m in Bula, Papua New Guinea. This height is estimated for 01 Mar 2021 11:00 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 (140 locations). Calculation based on advisory number 3 of 01 Mar 2021 12:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert Date (UTC) Name Country Storm surge height (m)
01 Mar 2021 11:00 Bula Papua New Guinea  0.8
01 Mar 2021 11:00 Jara Papua New Guinea  0.8
01 Mar 2021 11:00 Tamarike Indonesia  0.8
01 Mar 2021 11:00 Sarire Indonesia  0.8
01 Mar 2021 11:00 Merauke Indonesia  0.8
01 Mar 2021 12:00 Badu Australia  0.8
01 Mar 2021 11:00 Wendu Indonesia  0.7
01 Mar 2021 11:00 Matara Indonesia  0.7
01 Mar 2021 11:00 Urum Indonesia  0.7
01 Mar 2021 11:00 Kumbe Indonesia  0.7
01 Mar 2021 11:00 Anansai Indonesia  0.7
01 Mar 2021 08:00 Cannonvale Australia  0.7
01 Mar 2021 08:00 Airlie Australia  0.7
01 Mar 2021 09:00 Midgeton Australia  0.7
01 Mar 2021 12:00 Hammond I Australia  0.7
01 Mar 2021 12:00 Port Kennedy Australia  0.7
01 Mar 2021 09:00 Banana Pocket Australia  0.7
01 Mar 2021 09:00 Lethebrook Australia  0.7
01 Mar 2021 11:00 Onggalie Indonesia  0.7
01 Mar 2021 12:00 Kotad Indonesia  0.7
01 Mar 2021 12:00 Dumande Indonesia  0.7
01 Mar 2021 07:00 Carmila Australia  0.7
01 Mar 2021 12:00 Alatepi Indonesia  0.6
01 Mar 2021 09:00 Etowri Australia  0.6
01 Mar 2021 09:00 Nindaroo Australia  0.6
01 Mar 2021 09:00 Bucasia Australia  0.6
01 Mar 2021 09:00 Eimeo Australia  0.6
01 Mar 2021 09:00 Andergrove Australia  0.6
01 Mar 2021 09:00 Blacks Beach Australia  0.6
01 Mar 2021 12:00 Seisia Australia  0.6
01 Mar 2021 09:00 Flaggy Rock Australia  0.6
01 Mar 2021 14:00 Tais Papua New Guinea  0.6
01 Mar 2021 12:00 Cape York Australia  0.6
01 Mar 2021 06:00 Te Kowai Australia  0.6
01 Mar 2021 09:00 Seaforth Australia  0.6
01 Mar 2021 12:00 Cowel Creek Australia  0.6
01 Mar 2021 09:00 Elalie Australia  0.6
01 Mar 2021 09:00 Kalarka Australia  0.6
01 Mar 2021 09:00 Clairview Australia  0.6
01 Mar 2021 13:00 Alakoe Indonesia  0.5
01 Mar 2021 07:00 Taffy Islet Australia  0.5
02 Mar 2021 12:00 Halifax Australia  0.5
01 Mar 2021 13:00 Moegaigare Indonesia  0.5
01 Mar 2021 07:00 Taroea Anim Indonesia  0.5
01 Mar 2021 13:00 Okaba Indonesia  0.5
01 Mar 2021 12:00 Welab Indonesia  0.5
01 Mar 2021 07:00 Glenella Australia  0.5
01 Mar 2021 07:00 North Mackay Australia  0.5
01 Mar 2021 07:00 Mackay Australia  0.5
01 Mar 2021 07:00 Cremorne Australia  0.5
01 Mar 2021 07:00 Slade Point Australia  0.5
01 Mar 2021 07:00 Amhurst Australia  0.5
01 Mar 2021 13:00 Kobiem Indonesia  0.5
01 Mar 2021 08:00 Rosella Australia  0.5
01 Mar 2021 08:00 Chelona Australia  0.5
01 Mar 2021 08:00 Bakers Creek Australia  0.5
01 Mar 2021 08:00 Hay Point Australia  0.5
01 Mar 2021 08:00 Alligator Creek Australia  0.5
01 Mar 2021 07:00 Birab Indonesia  0.5
02 Mar 2021 12:00 Cassady Australia  0.5
01 Mar 2021 12:00 Papisote Indonesia  0.5
01 Mar 2021 06:00 Saint Lawrence Australia  0.4
01 Mar 2021 12:00 Gelib Indonesia  0.4
01 Mar 2021 12:00 Wamal Indonesia  0.4
02 Mar 2021 12:00 Lucinda Australia  0.4
01 Mar 2021 05:00 Coolbie Australia  0.4
01 Mar 2021 05:00 Moongobulla Australia  0.4
02 Mar 2021 11:00 Mutarnee Australia  0.4
02 Mar 2021 12:00 Lower Tully Australia  0.4
02 Mar 2021 12:00 Alva Australia  0.4
01 Mar 2021 07:00 Per Indonesia  0.4
01 Mar 2021 07:00 Amborip Indonesia  0.4
01 Mar 2021 07:00 Biwarlaut Indonesia  0.4
01 Mar 2021 07:00 Jow Indonesia  0.4
01 Mar 2021 07:00 Otsjanep Indonesia  0.4
02 Mar 2021 12:00 South Mission Beach Australia  0.4
01 Mar 2021 11:00 Komoran Indonesia  0.4
01 Mar 2021 07:00 Mapoon Australia  0.3
01 Mar 2021 05:00 Saibai Australia  0.3
01 Mar 2021 05:00 Hamlet of Togo Papua New Guinea  0.3
01 Mar 2021 17:00 Sidabadu Papua New Guinea  0.3
01 Mar 2021 07:00 Weipa Australia  0.3
01 Mar 2021 07:00 Weipa South Australia  0.3
01 Mar 2021 09:00 Jofar Indonesia  0.3
01 Mar 2021 09:00 Agats Indonesia  0.3
01 Mar 2021 13:00 Carstairs Australia  0.3
01 Mar 2021 13:00 Jarvisfield Australia  0.3
01 Mar 2021 13:00 Rita Island Australia  0.3
01 Mar 2021 05:00 Rollingstone Australia  0.3
01 Mar 2021 05:00 Kinduro Australia  0.3
01 Mar 2021 11:00 Inveroona Australia  0.3
01 Mar 2021 11:00 Queens Beach Australia  0.3
01 Mar 2021 11:00 Bowen Australia  0.3
01 Mar 2021 11:00 Yumbabullo Australia  0.3
01 Mar 2021 12:00 Merinda Australia  0.3
01 Mar 2021 12:00 Delta Australia  0.3
01 Mar 2021 12:00 Bootooloo Australia  0.3
01 Mar 2021 11:00 Konerau Indonesia  0.3
01 Mar 2021 11:00 Selemit Indonesia  0.3
01 Mar 2021 11:00 Wan Indonesia  0.3
01 Mar 2021 11:00 Pasirputih Indonesia  0.3
01 Mar 2021 08:00 Yeppoon Australia  0.3
01 Mar 2021 08:00 Emu Park Australia  0.3
01 Mar 2021 08:00 Dolatanden Indonesia  0.3
01 Mar 2021 09:00 Keppel Sands Australia  0.3
01 Mar 2021 05:00 Kowanyama Australia  0.2
02 Mar 2021 13:00 Bellenden Ker Australia  0.2
01 Mar 2021 11:00 Kladar Indonesia  0.2
01 Mar 2021 11:00 Sabon Indonesia  0.2
01 Mar 2021 11:00 Tor Indonesia  0.2
02 Mar 2021 13:00 Innisfail Australia  0.2
01 Mar 2021 04:00 Farnborough Australia  0.2
01 Mar 2021 12:00 Townsville Australia  0.2
01 Mar 2021 12:00 Oonoonba Australia  0.2
02 Mar 2021 10:00 Kamma Australia  0.2
02 Mar 2021 03:00 Yarrabah Aboriginal Community Australia  0.2
01 Mar 2021 12:00 Oolbun Australia  0.2
01 Mar 2021 12:00 Cluden Australia  0.2
01 Mar 2021 05:00 Kulinchin Australia  0.2
02 Mar 2021 03:00 Deeral Australia  0.2
02 Mar 2021 15:00 Mabaduan Papua New Guinea  0.2
01 Mar 2021 10:00 Southend Australia  0.2
01 Mar 2021 03:00 Waidoro Papua New Guinea  0.2
01 Mar 2021 04:00 Beecher Australia  0.2
01 Mar 2021 04:00 Gladstone Australia  0.2
01 Mar 2021 04:00 Toolooa Australia  0.2
01 Mar 2021 04:00 Parsons Point Australia  0.2
01 Mar 2021 04:00 Benaraby Australia  0.2
01 Mar 2021 04:00 Boyne Island Australia  0.2
01 Mar 2021 08:00 Aibinio Papua New Guinea  0.1
01 Mar 2021 09:00 Targinie Australia  0.1
01 Mar 2021 04:00 Bustard Head Australia  0.1
02 Mar 2021 03:00 Wonga Australia  0.1
02 Mar 2021 03:00 Mossman Australia  0.1
02 Mar 2021 03:00 Miallo Australia  0.1
02 Mar 2021 10:00 Elim Australia  0.1
01 Mar 2021 06:00 Lahimoina Papua New Guinea  0.1
01 Mar 2021 06:00 Leileiafa Papua New Guinea  0.1
02 Mar 2021 12:00 Kukipi Papua New Guinea  0.1
02 Mar 2021 12:00 Malalaua Papua New Guinea  0.1