Overall Red alert Tropical Cyclone for MARIA-18
in China, Japan
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alert for storm surge impact based on ECMWF source

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.

This report is for advisory number 34 of tropical cyclone MARIA-18 issued at 11 Jul 2018 0:00:00 (GDACS Event ID 1000466). However, the calculation for advisory number is not completed. Therefore, the latest available calculation is shown. All links, data, statistics and maps refer to the latest available calculation.

Summary

Population affected by cyclone-strength winds (>120km/h):60 thousand
Saffir-Simpson Category: Category 1
Maximum sustained wind speed: 140 Km/h
he maximum Storm surge height is:The tropical cyclone did not reach sufficient strength to cause significant storm surge or is not predicted to affect populated places.

Storm surge

Storm surge maximum height ECMWF
Storm surge maximum height ECMWF (Source: JRC)
Max windspeed ECMWF
Max windspeed ECMWF (Source: ECMWF)

Evolution

Legend
people affected <=10000
people affected >10000 and <100000
people affected >100000


Calculation Alert color Date (UTC) Wind speed Population affected
winds(>120km/h)
TS CAT. 1 CAT. 2 CAT. 3 CAT. 4 CAT. 5 Countries
1
GREEN
20180702.00 107 km/h (66 mph) No people
Japan, South Korea
2
GREEN
20180702.12 94 km/h (58 mph) No people
Japan, South Korea
3
GREEN
20180703.00 108 km/h (67 mph) No people
Japan
4
GREEN
20180703.12 85 km/h (53 mph) No people
Japan
5
GREEN
20180704.00 72 km/h (45 mph) No people
Japan
6
GREEN
20180704.12 72 km/h (44 mph) No people
Japan
7
GREEN
20180705.00 65 km/h (41 mph) No people
Japan
8
GREEN
20180705.12 0 km/h (0 mph) No people
9
GREEN
20180706.00 65 km/h (40 mph) No people
Japan
10
GREEN
20180706.12 65 km/h (40 mph) No people
Japan
11
GREEN
20180707.00 0 km/h (0 mph) No people
12
GREEN
20180707.12 140 km/h (87 mph) 60 thousand
Japan
13
GREEN
20180708.00 146 km/h (91 mph) 40 thousand
China, Japan, Taiwan
14
ORANGE
20180708.12 152 km/h (94 mph) 310 thousand
China, Japan, Taiwan, Taiwan, China, Japan
15
ORANGE
20180709.00 156 km/h (97 mph) 80 thousand
China, Japan, Taiwan, China, Taiwan, Japan

Affected locations

No locations affected.

More information

The atmospheric forcing included in the storm surge model are the pressure drop and the wind-water friction. The effects of the short waves induced by the wind (wave setup) and the precipitations are not yet implemented in the model.

    For a full list of available products related to this event, please refer to the GDACS Resources page.