Overall Green alert Tropical Cyclone for YAGI-18
in China, Japan

Impact

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

Meteorological source GDACS (JTWC)
Exposed countries China, Japan
Exposed population No people in Category 1 or higher
Maximum wind speed 102 km/h
Maximum storm surge
Vulnerability Medium (China)

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 93 km/h 0.0 m n.a. 0.5
GDACS Overall 102 km/h 0.0 m n.a. 0.5

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

Wind

93 km/h Current

Up to 120000 people in Tropical storm (see SSHS)

Impact Timeline

Alert Date (UTC) Max Winds (km/h) Population in
Tropical Storm
Population in
Cat. 1 or higher
Countries
Green 1 06 Aug 2018 18:00 74 2.7 million No people Japan
Green 2 07 Aug 2018 00:00 83 8.1 million No people Japan
Green 3 07 Aug 2018 06:00 102 130 thousand No people Japan
Green 4 07 Aug 2018 12:00 93 120 thousand No people Japan

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 06 Aug 2018 18:00 Tropical depression 46 no people no people 18.8, 133.4
GREEN
2 07 Aug 2018 00:00 Tropical depression 46 no people no people 19.1, 133.2
GREEN
3 07 Aug 2018 06:00 Tropical depression 46 no people no people 19.2, 132.5
GREEN
4 07 Aug 2018 12:00 Tropical depression 56 no people no people 19.4, 132.8
GREEN
4 08 Aug 2018 00:00 Tropical depression 56 no people no people 19.7, 133.1
GREEN
4 08 Aug 2018 12:00 Tropical depression 56 no people no people 20.3, 133.7
GREEN
4 09 Aug 2018 00:00 Tropical depression 56 no people no people 21.3, 134.2
GREEN
4 09 Aug 2018 12:00 Tropical storm 65 no people no people 22.4, 134.4
GREEN
4 10 Aug 2018 12:00 Tropical storm 65 60000 people no people 25, 133.6 Japan
GREEN
4 11 Aug 2018 12:00 Tropical storm 74 110000 people no people 27.6, 130.8 Japan
GREEN
4 12 Aug 2018 12:00 Tropical storm 93 no people no people 29.5, 126.6
Actual track of the current bulletin
The alert for forecast greater than 3 days is limited to Orange level.



Exposed population

Countries

Country
Japan

Provinces

Region Province Country Population
Kyushu Japan 13.2 million people

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Minami Daito MMD 4 Civ. Paved Yes 4900 731 km
Kitadaito KTD 24 Civ. Paved Yes 4900 740 km
Yoron RNJ 16 Civ. Paved Yes 3900 959 km
Okierabu OKE 31 Civ. Paved Yes 3900 982 km
Tokunoshima TKN 5 Civ. Paved Yes 6500 1016 km
Kikai 6 Civ. Paved Yes 3900 1030 km
Amami O Shima ASJ 8 Civ. Paved Yes 6500 1048 km

Ports

Name LOCODE Country Distance
Kita Japan 739 km

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.

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StormSurge

No locations affected by storm surge > 10 cm

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 (0 locations). Calculation based on advisory number 4 of 07 Aug 2018 12:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert Date (UTC) Name Country Storm surge height (m)