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 (JTWC)
Exposed countries Australia
Exposed population No people in Category 1 or higher
Maximum wind speed 259 km/h
Maximum storm surge 0.9 m (25 Mar 05:00 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 259 km/h n.a. n.a. 0.5
GDACS Overall 259 km/h 0.9 m n.a. 0.5

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

Wind

259 km/h Current

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
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
Green 9 17 Mar 2018 18:00 222 140 thousand No people Australia
Green 10 18 Mar 2018 00:00 222 140 thousand No people Australia
Green 11 18 Mar 2018 06:00 222 140 thousand No people Australia
Green 12 18 Mar 2018 12:00 231 140 thousand No people Australia
Green 13 18 Mar 2018 18:00 241 140 thousand No people Australia
Green 14 19 Mar 2018 00:00 241 140 thousand No people Australia
Green 15 19 Mar 2018 06:00 241 140 thousand No people Australia
Green 16 19 Mar 2018 12:00 241 140 thousand No people Australia
Green 17 19 Mar 2018 18:00 259 180 thousand No people Australia
Green 18 20 Mar 2018 00:00 259 140 thousand No people Australia
Green 19 20 Mar 2018 06:00 250 140 thousand No people Australia
Green 20 20 Mar 2018 12:00 241 140 thousand No people Australia
Green 21 20 Mar 2018 18:00 241 140 thousand No people Australia
Green 22 21 Mar 2018 00:00 241 140 thousand No people Australia
Green 23 21 Mar 2018 06:00 250 140 thousand No people Australia
Green 24 21 Mar 2018 12:00 259 140 thousand No people Australia
Green 25 21 Mar 2018 18:00 259 140 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
9 17 Mar 2018 18:00 Tropical storm 93 <1000 people no people -13.9, 128.6 Australia
GREEN
10 18 Mar 2018 00:00 Tropical storm 102 <1000 people no people -14.2, 127.8 Australia
GREEN
11 18 Mar 2018 06:00 Tropical storm 93 <1000 people no people -14.6, 126.7 Australia
GREEN
12 18 Mar 2018 12:00 Tropical storm 83 1200 people no people -15, 125.3 Australia
GREEN
13 18 Mar 2018 18:00 Tropical storm 93 1400 people no people -15, 124.3 Australia
GREEN
14 19 Mar 2018 00:00 Category 1 120 <1000 people no people -15, 123.4 Australia
GREEN
15 19 Mar 2018 06:00 Category 1 139 1500 people no people -15.5, 122.6 Australia
GREEN
16 19 Mar 2018 12:00 Category 2 176 <1000 people no people -15.6, 121.2 Australia
GREEN
17 19 Mar 2018 18:00 Category 3 185 no people no people -15.3, 119.9
GREEN
18 20 Mar 2018 00:00 Category 3 194 no people no people -15.1, 118.4
GREEN
19 20 Mar 2018 06:00 Category 3 194 no people no people -14.8, 116.7
GREEN
20 20 Mar 2018 12:00 Category 3 204 no people no people -14.5, 115.2
GREEN
21 20 Mar 2018 18:00 Category 4 213 no people no people -14.6, 113.8
GREEN
22 21 Mar 2018 00:00 Category 4 222 no people no people -14.5, 112.3
GREEN
23 21 Mar 2018 06:00 Category 4 231 no people no people -14.8, 110.9
GREEN
24 21 Mar 2018 12:00 Category 4 241 no people no people -15.1, 109.4
GREEN
25 21 Mar 2018 18:00 Category 5 259 no people no people -15.5, 108.4
GREEN
25 22 Mar 2018 06:00 Category 4 250 no people no people -16.7, 106.7
GREEN
25 22 Mar 2018 18:00 Category 4 231 no people no people -18.6, 105.8
GREEN
25 23 Mar 2018 06:00 Category 4 213 no people no people -20.9, 105.6
GREEN
25 23 Mar 2018 18:00 Category 2 167 no people no people -23.6, 106.2
GREEN
25 24 Mar 2018 18:00 Tropical storm 83 no people no people -27.9, 107.9
GREEN
25 25 Mar 2018 18:00 Tropical depression 56 no people no people -31.6, 111.3
Actual track of the current bulletin
The alert for forecast greater than 3 days is limited to Orange level.



Exposed population

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

0.9 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, 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.

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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