Overall Green alert Tropical Cyclone for JONGDARI-18
in Japan


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

Meteorological source GDACS
Exposed countries Japan
Exposed population 17.7 million in Category 1 or higher
Maximum wind speed 213 km/h
Maximum storm surge
Vulnerability Low (Japan)


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 130 km/h 2.4 m n.a. 0.5
GDACS Overall 213 km/h 0.0 m n.a. 0.5

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


130 km/h Current Max.

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Impact Timeline

Alert Date (UTC) Max Winds (km/h) Population in
Tropical Storm or higher
Population in
Cat 1. or higher
Green 1 22 Jul 2018 00:00 130 No people No people

Bulletin Timeline

Alert Date (UTC) Category Max winds
Population in
Tropical Storm
Population in
Cat.1 or higher
Location (lat, lon) Countries
1 22 Jul 2018 00:00 Tropical depression 46 no people no people 12.9, 138.3
1 22 Jul 2018 12:00 Tropical depression 56 no people no people 13.9, 137.7
1 23 Jul 2018 00:00 Tropical storm 65 no people no people 15.1, 137
1 23 Jul 2018 12:00 Tropical storm 83 no people no people 16.3, 136.3
1 24 Jul 2018 00:00 Tropical storm 93 no people no people 17.9, 135.7
1 25 Jul 2018 00:00 Category 1 130 no people no people 20.2, 134.5
1 26 Jul 2018 00:00 Category 1 120 no people no people 22, 133.4
1 27 Jul 2018 00:00 Category 1 120 no people no people 23.6, 132.1
Actual track of the current bulletin
The alert for forecast greater than 3 days is limited to Orange level.

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 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.



0 m

The maximum Storm surge height is  2.4m in Ganpu, China. This height is estimated for 03 Aug 2018 06:00 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 (1081 locations). Calculation based on advisory number 36 of 30 Jul 2018 18:00:00 UTC. (Simulation using 0.5 minute resolution)

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