Overall Green alert Tropical Cyclone for MARCUS-18
in Australia

Impact

Tropical Cyclone MARCUS-18 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source GDACS
Exposed countries Australia
Exposed population No people in Category 1 or higher
Maximum wind speed 259 km/h
Maximum storm surge 0.6 m (17 Mar 03:00 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
GDACS Current 231 km/h 0.9 m n.a. 0.5
GDACS Overall 259 km/h 0.6 m n.a. 0.5

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

Wind

231 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 15 Mar 2018 18:00 148 130 thousand No people Australia
Green 2 16 Mar 2018 00:00 157 140 thousand No people Australia
Green 3 16 Mar 2018 06:00 185 140 thousand No people Australia
Green 4 16 Mar 2018 12:00 185 130 thousand No people Australia
Green 5 16 Mar 2018 18:00 222 130 thousand No people Australia
Green 6 17 Mar 2018 00:00 231 140 thousand No people Australia
Green 7 17 Mar 2018 06:00 231 140 thousand No people Australia
Green 8 17 Mar 2018 12:00 231 140 thousand No people Australia

Bulletin Timeline

Alert Date (UTC) Category Max winds
(km/h)
Population in
Tropical Storm
Population in
Cat.1 or higher
Location (lat, lon) Countries
GREEN
1 15 Mar 2018 18:00 Tropical storm 65 <1000 people no people -10, 132.1 Australia
GREEN
2 16 Mar 2018 00:00 Tropical storm 74 7000 people no people -10.6, 132.6 Australia
GREEN
3 16 Mar 2018 06:00 Tropical storm 74 130000 people no people -11.1, 131.9 Australia
GREEN
4 16 Mar 2018 12:00 Tropical storm 74 120000 people no people -11.4, 131.4 Australia
GREEN
5 16 Mar 2018 18:00 Tropical storm 74 130000 people no people -11.7, 131.6 Australia
GREEN
6 17 Mar 2018 00:00 Tropical storm 83 130000 people no people -12.4, 131.1 Australia
GREEN
7 17 Mar 2018 06:00 Tropical storm 83 3200 people no people -13, 130 Australia
GREEN
8 17 Mar 2018 12:00 Tropical storm 93 3500 people no people -13.5, 129.3 Australia
GREEN
8 18 Mar 2018 00:00 Tropical storm 111 <1000 people no people -14.1, 127.7 Australia
GREEN
8 18 Mar 2018 12:00 Tropical storm 102 <1000 people no people -14.8, 125.8 Australia
GREEN
8 19 Mar 2018 00:00 Tropical storm 102 1300 people no people -15.3, 123.8 Australia
GREEN
8 19 Mar 2018 12:00 Category 1 130 <1000 people no people -15.5, 121.7 Australia
GREEN
8 20 Mar 2018 12:00 Category 3 185 no people no people -15.1, 116.4
GREEN
8 21 Mar 2018 12:00 Category 4 231 no people no people -15.5, 110.5
GREEN
8 22 Mar 2018 12:00 Category 4 222 no people no people -17.6, 106.5
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.

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

0.6 m

The maximum Storm surge height is  0.9m in Tamala, Australia. This height is estimated for 25 Mar 2018 05:00 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 (129 locations). Calculation based on advisory number 26 of 22 Mar 2018 00:00:00 UTC. (Simulation using 0.5 minute resolution)

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