Overall Green alert Tropical Cyclone for IMOGEN-21
in Australia
03 Jan 2021 12 UTC
click on to select bulletin time
Impact Single TC
Impact based on all weather systems in the area

Impact

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

Meteorological source ECMWF
Exposed countries Australia
Exposed population No people in Category 1 or higher
Maximum wind speed 83 km/h
Maximum storm surge 0.7 m (03 Jan 12:00 UTC)
Vulnerability Low (Australia)

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 83 km/h 0.7 m 23 mm 0.5
ECMWF Overall 65 km/h 0.7 m 745 mm 0.5

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

TOP

Wind

65 km/h

Up to 3 thousand can be affected by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

Estimations based on the bulletin of 03 Jan 2021 12:00 UTC
CategoryCountryPopulation 
Tropical StormAustralia2,614 

See TC classification SSHS


Wind Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert 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
GREEN 1 02 Jan 2021 12:00 79 - - - - - - -
GREEN 2 03 Jan 2021 00:00 76 -
- - - - - Australia
GREEN 3 03 Jan 2021 12:00 83 -
- - - - - Australia
Download:





Impact estimation for the next 72h
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Rainfall





Rain exposed population - AoIs

Estimations based on the bulletin of 03 Jan 2021 12:00 UTC
LevelCountryPopulation 
750-1000 mmAustralia1,410 
500-750 mmAustralia2,978 
250-500 mmAustralia185,683 
100-250 mmIndonesia, Papua New Guinea, Australia148,049
+
Indonesia194 
Papua New Guinea74,499 
Australia73,356 
50-100 mmIndonesia, Papua New Guinea, Australia1,138,511
+
Indonesia32,126 
Papua New Guinea794,363 
Australia312,022 

Rain Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert N° Date (UTC) Max Rainfall (mm) Pop >100mm or higher 50-100 100-250 250-500 500-750 750-1000 >1000 Countries
Blue 1 02 Jan 2021 12:00 22 - - - - - - -
Blue 2 03 Jan 2021 00:00 21 Few people - - - - - - Australia
Blue 3 03 Jan 2021 12:00 902 340 thousand
- Indonesia, Papua New Guinea, Australia




Impact estimation for the next 72h
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StormSurge

0.7 m

The maximum Storm surge height is  0.7m in Karumba, Australia. This height is estimated for 03 Jan 2021 12:00 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 03 Jan 2021 12:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
03 Jan 2021 12:00 Karumba Australia  0.7
03 Jan 2021 13:45 Kowanyama Australia  0.3
03 Jan 2021 19:15 Alyangula Australia  0.2
03 Jan 2021 18:30 Bing Bong Australia  0.2
03 Jan 2021 19:15 Weipa Australia  0.2
03 Jan 2021 19:15 Weipa South Australia  0.2
03 Jan 2021 14:00 Hammond I Australia  0.2
03 Jan 2021 14:00 Port Kennedy Australia  0.2
03 Jan 2021 14:00 Badu Australia  0.2
03 Jan 2021 19:30 Mapoon Australia  0.2
03 Jan 2021 12:00 Kulinchin Australia  0.2
03 Jan 2021 13:00 Cowel Creek Australia  0.1
03 Jan 2021 13:00 Seisia Australia  0.1
03 Jan 2021 15:15 Jara Papua New Guinea  0.1
03 Jan 2021 15:15 Mari Papua New Guinea  0.1
03 Jan 2021 15:15 Bula Papua New Guinea  0.1
03 Jan 2021 12:30 Bamaga Australia  0.1
03 Jan 2021 12:30 Cape York Australia  0.1
03 Jan 2021 21:30 Caburinga Village Australia  0.1
03 Jan 2021 21:15 Gove Australia  0.1
03 Jan 2021 21:15 Yirrkala Mission Australia  0.1
03 Jan 2021 21:15 Yirrkala Australia  0.1
03 Jan 2021 21:00 Nhulunbuy Australia  0.1
03 Jan 2021 14:15 Kondomiraf Indonesia  0.1
03 Jan 2021 21:15 Halifax Australia  0.1
03 Jan 2021 21:15 Cassady Australia  0.1
03 Jan 2021 21:15 Lucinda Australia  0.1
03 Jan 2021 20:15 Lower Tully Australia  0.1
03 Jan 2021 20:15 Cardwell Australia  0.1
03 Jan 2021 20:30 Rollingstone Australia  0.1
03 Jan 2021 20:30 Kinduro Australia  0.1