Overall Green Tropical Cyclone alert for SHANSHAN-18 in Japan from 02 Aug 2018 18:00 UTC to 05 Aug 2018 06:00 UTC

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GDACS JTWC

Impact Single TC

Impact based on all weather systems in the area

Impact

Tropical Cyclone SHANSHAN-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	2.3 million in Category 1 or higher
Maximum wind speed	176 km/h
Maximum storm surge	0.6 m (09 Aug 06:00 UTC)
Vulnerability	Low (Japan)

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
Current	157 km/h	0.6 m	n.a.	0.5
Overall	176 km/h	0.6 m	n.a.	0.5
Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track) based on GDACS impact

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Wind

157 km/h Current Max.

Up to 650000 people in Category 1 strength or higher (see SSHS)

Impact Timeline

N°	Date (UTC)	Max Winds (km/h)	Population in Tropical Storm or higher	Population in Cat 1. or higher	Countries
1	02 Aug 2018 18:00	148	1.5 million	No people	Japan
2	03 Aug 2018 00:00	148	90 thousand	No people	Japan
3	03 Aug 2018 06:00	148	20 thousand	No people
4	03 Aug 2018 12:00	167	49 million	No people	Japan
5	03 Aug 2018 18:00	167	58.2 million	No people	Japan
6	04 Aug 2018 00:00	167	59 million	No people	Japan
7	04 Aug 2018 06:00	176	54.9 million	1.3 million	Japan
8	04 Aug 2018 12:00	176	64.4 million	230 thousand	Japan
9	04 Aug 2018 18:00	176	64.6 million	5.5 million	Japan
10	05 Aug 2018 00:00	167	69.4 million	5.4 million	Japan
11	05 Aug 2018 06:00	157	51.4 million	650 thousand	Japan

Bulletin Timeline

N°	Date (UTC)	Category (SSHS)	Max winds (km/h)	Population in Cat.1 or higher	Population in Tropical Storm or higher	Location (lat, lon)	Countries
1	02 Aug 2018 18:00	Tropical depression	46	no people	no people	18.6, 150.7
2	03 Aug 2018 00:00	Tropical depression	56	no people	no people	17.7, 150.4
3	03 Aug 2018 06:00	Tropical storm	65	no people	no people	18, 150.5
4	03 Aug 2018 12:00	Tropical storm	83	no people	no people	18.5, 150
5	03 Aug 2018 18:00	Tropical storm	93	no people	no people	19.3, 149.4
6	04 Aug 2018 00:00	Tropical storm	102	no people	no people	20.1, 149.2
7	04 Aug 2018 06:00	Category 1	120	no people	no people	20.8, 148.8
8	04 Aug 2018 12:00	Category 1	130	no people	no people	21.8, 148.2
9	04 Aug 2018 18:00	Category 1	139	no people	no people	22.5, 147.7
10	05 Aug 2018 00:00	Category 1	139	no people	no people	23, 147.4
11	05 Aug 2018 06:00	Category 1	139	no people	no people	24, 147.5
11	05 Aug 2018 18:00	Category 1	148	no people	2200 people	25.7, 146.9
11	06 Aug 2018 06:00	Category 2	157	no people	2200 people	27.7, 145.8
11	06 Aug 2018 18:00	Category 2	157	no people	11000 people	29.3, 144.8
11	07 Aug 2018 06:00	Category 1	148	no people	38 million people	31, 143.7	Japan
11	08 Aug 2018 06:00	Category 1	130	650000 people	48.5 million people	33.4, 141.3	Japan
11	09 Aug 2018 06:00	Tropical storm	102	no people	50.6 million people	35.7, 141.2	Japan
11	10 Aug 2018 06:00	Tropical storm	83	no people	no people	39.5, 146.4

Actual track of the current bulletin

The alert for forecast greater than 3 days is limited to Orange level.

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Exposed population - AoIs

Exposed population in the potential affected countries, provinces and populated places

Countries

Country
Japan

Provinces

Region Province	Country
Kanto	Japan

Populated places

Name	Region Province	Country	City class	Population
Ohara	Chiba	Japan	City	20000 people
Katakai	Chiba	Japan	City	-
Choshi	Chiba	Japan	City	84000 people
Naruto	Chiba	Japan	City	22000 people
Tako	Chiba	Japan	City	-
Omigawa	Chiba	Japan	City	25000 people

Critical infrastructure

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

Ports

Name	LOCODE	Country
Choshi	JPCHO	Japan
Kashima	JPKSM	Japan

Dams

Reservoir	Dam Name	River	Year
Kasumigaura	Kasumigaura-Kaihatsu	Tonegawa	1995

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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

0.6 m

The maximum Storm surge height is 0.6m in Choshi, Japan. This height is estimated for 09 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 (149 locations). Calculation based on advisory number 11 of 05 Aug 2018 06:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert	Date (UTC)	Name	Country	Storm surge height (m)
	09 Aug 2018 06:00	Choshi	Japan	0.6
	09 Aug 2018 06:00	Kashima	Japan	0.6
	09 Aug 2018 06:00	Yatabe	Japan	0.5
	09 Aug 2018 06:00	Okunoya	Japan	0.5
	09 Aug 2018 06:00	Kyuchu	Japan	0.4
	09 Aug 2018 06:00	Koya	Japan	0.4
	09 Aug 2018 06:00	Omi	Japan	0.4
	09 Aug 2018 06:00	Hamatsuga	Japan	0.4
	09 Aug 2018 06:00	Aotsuka	Japan	0.4
	09 Aug 2018 06:00	Taiyo	Japan	0.4
	09 Aug 2018 06:00	Dainigorisawa	Japan	0.4
	09 Aug 2018 06:00	Muyokama	Japan	0.4
	09 Aug 2018 06:00	Kyochikama	Japan	0.4
	09 Aug 2018 06:00	Otake	Japan	0.4
	09 Aug 2018 06:00	Hokota	Japan	0.4
	09 Aug 2018 06:00	Katsuori	Japan	0.4
	09 Aug 2018 06:00	Natsumi	Japan	0.4
	09 Aug 2018 06:00	Noda	Japan	0.4
	08 Aug 2018 22:00	Ichinomiya	Japan	0.3
	09 Aug 2018 06:00	Ogushi	Japan	0.3
	09 Aug 2018 06:00	Kamigama	Japan	0.3
	09 Aug 2018 04:00	Tokawacho	Japan	0.3
	09 Aug 2018 04:00	Inuwaka	Japan	0.3
	09 Aug 2018 06:00	Nagasuna	Japan	0.3
	09 Aug 2018 06:00	Nakaminato	Japan	0.3
	09 Aug 2018 06:00	Shirane	Japan	0.3
	09 Aug 2018 06:00	Toyooka	Japan	0.3
	09 Aug 2018 06:00	Kuji	Japan	0.3
	09 Aug 2018 06:00	Mizuki	Japan	0.3
	08 Aug 2018 21:00	Katakai	Japan	0.3
	09 Aug 2018 06:00	Narusawa	Japan	0.3
	09 Aug 2018 06:00	Moto-Kawarago	Japan	0.3
	09 Aug 2018 06:00	Asahi	Japan	0.3
	09 Aug 2018 06:00	Oyagaw	Japan	0.3
	09 Aug 2018 06:00	Hitachi	Japan	0.3
	09 Aug 2018 06:00	Ogitsu	Japan	0.3
	09 Aug 2018 06:00	Tomobe	Japan	0.3
	09 Aug 2018 06:00	Tajirihama	Japan	0.3
	09 Aug 2018 06:00	Kawaziri	Japan	0.3
	09 Aug 2018 06:00	Kawajiri	Japan	0.3
	09 Aug 2018 06:00	Hama	Japan	0.3
	08 Aug 2018 20:00	Hasunuma	Japan	0.3
	08 Aug 2018 20:00	Ohara	Japan	0.2
	09 Aug 2018 06:00	Kubota	Japan	0.2
	09 Aug 2018 06:00	Ueda	Japan	0.2
	09 Aug 2018 06:00	Terashita	Japan	0.2
	09 Aug 2018 06:00	Hirakata	Japan	0.2
	08 Aug 2018 20:00	Katsuura	Japan	0.2
	09 Aug 2018 06:00	Kitakubo	Japan	0.2
	09 Aug 2018 06:00	Kisara	Japan	0.2
	09 Aug 2018 06:00	Ono-Yasashi	Japan	0.2
	09 Aug 2018 06:00	Isohara	Japan	0.2
	09 Aug 2018 06:00	Shuku	Japan	0.2
	09 Aug 2018 06:00	Yunami	Japan	0.2
	09 Aug 2018 06:00	Soeno	Japan	0.2
	09 Aug 2018 06:00	Tanebe	Japan	0.2
	09 Aug 2018 06:00	Obama	Japan	0.2
	09 Aug 2018 06:00	Onahama	Japan	0.2
	09 Aug 2018 06:00	Ohahama	Japan	0.2
	09 Aug 2018 06:00	Ena	Japan	0.2
	09 Aug 2018 06:00	Aratame	Japan	0.2
	09 Aug 2018 06:00	Shimo-Takaku	Japan	0.2
	09 Aug 2018 06:00	Omori	Japan	0.2
	09 Aug 2018 06:00	Toyoma	Japan	0.2
	08 Aug 2018 23:00	Asahi Yokaichiba	Japan	0.2
	09 Aug 2018 06:00	Naraha	Japan	0.2
	09 Aug 2018 06:00	Kami-Shigeoka	Japan	0.2
	09 Aug 2018 06:00	Ide	Japan	0.2
	09 Aug 2018 06:00	Kami-Asamigawa	Japan	0.2
	09 Aug 2018 06:00	Shimo-Kitabo	Japan	0.2
	09 Aug 2018 06:00	Tomioka	Japan	0.2
	09 Aug 2018 06:00	Oragahama	Japan	0.2
	09 Aug 2018 06:00	Komagamine	Japan	0.2
	09 Aug 2018 06:00	Nakumura	Japan	0.2
	09 Aug 2018 06:00	Tsurishi	Japan	0.2
	09 Aug 2018 06:00	Tachiya	Japan	0.2
	09 Aug 2018 06:00	Haragama	Japan	0.2
	09 Aug 2018 06:00	Umekawa	Japan	0.2
	09 Aug 2018 06:00	Isobe	Japan	0.2
	09 Aug 2018 06:00	Arayashik	Japan	0.2
	09 Aug 2018 06:00	Yotsukura	Japan	0.2
	09 Aug 2018 06:00	Onaba	Japan	0.2
	09 Aug 2018 06:00	Kiyohashi	Japan	0.2
	09 Aug 2018 06:00	Sakamoto	Japan	0.2
	09 Aug 2018 06:00	Iso	Japan	0.2
	09 Aug 2018 06:00	Futaba	Japan	0.2
	09 Aug 2018 06:00	Kasano	Japan	0.1
	09 Aug 2018 06:00	Hanagama	Japan	0.1
	09 Aug 2018 06:00	Takahira	Japan	0.1
	09 Aug 2018 06:00	Kayahama	Japan	0.1
	09 Aug 2018 06:00	Yamashita	Japan	0.1
	09 Aug 2018 06:00	Yokoyama	Japan	0.1
	09 Aug 2018 06:00	Shibamachi	Japan	0.1
	09 Aug 2018 06:00	Warabi	Japan	0.1
	09 Aug 2018 06:00	Kaikomba	Japan	0.1
	09 Aug 2018 06:00	Arahama	Japan	0.1
	09 Aug 2018 06:00	Kabasaki	Japan	0.1
	09 Aug 2018 06:00	Minami-Ibi	Japan	0.1
	09 Aug 2018 06:00	Sangenchaya	Japan	0.1
	09 Aug 2018 06:00	Ninokura	Japan	0.1
	09 Aug 2018 06:00	Odaka	Japan	0.1
	09 Aug 2018 06:00	Shimo-Masuda	Japan	0.1
	09 Aug 2018 06:00	Ainokama	Japan	0.1
	09 Aug 2018 06:00	Kita-Kama	Japan	0.1
	09 Aug 2018 06:00	Fujitsuka	Japan	0.1
	09 Aug 2018 06:00	Ido	Japan	0.1
	09 Aug 2018 00:00	Ko	Japan	0.1
	09 Aug 2018 00:00	Tateyama	Japan	0.1
	09 Aug 2018 00:00	Olo	Japan	0.1
	09 Aug 2018 00:00	Kokubu	Japan	0.1
	09 Aug 2018 06:00	Watari	Japan	0.1
	09 Aug 2018 06:00	Hayakawa	Japan	0.1
	09 Aug 2018 06:00	Kashima	Japan	0.1
	09 Aug 2018 06:00	Sumiyoshi	Japan	0.1
	09 Aug 2018 06:00	Bogoya	Japan	0.1
	08 Aug 2018 19:00	Kamogawa	Japan	0.1
	09 Aug 2018 06:00	Shinhama	Japan	0.1
	09 Aug 2018 06:00	Wada-Shinden	Japan	0.1
	09 Aug 2018 06:00	Gamo	Japan	0.1
	09 Aug 2018 06:00	Tago	Japan	0.1
	09 Aug 2018 06:00	Niida	Japan	0.1
	09 Aug 2018 06:00	Shobudahama	Japan	0.1
	09 Aug 2018 06:00	Shiogama	Japan	0.1
	08 Aug 2018 06:00	Mitsune	Japan	0.1
	08 Aug 2018 06:00	Kashitate	Japan	0.1
	08 Aug 2018 06:00	Nakanogo	Japan	0.1
	08 Aug 2018 06:00	Sueyoshi	Japan	0.1
	08 Aug 2018 10:00	Ako	Japan	0.1
	08 Aug 2018 10:00	Higashiyama	Japan	0.1
	08 Aug 2018 10:00	Okubo	Japan	0.1
	08 Aug 2018 10:00	Kamitsuki	Japan	0.1
	08 Aug 2018 10:00	Tsubota	Japan	0.1
	08 Aug 2018 10:00	Gebano	Japan	0.1
	08 Aug 2018 10:00	Mlike	Japan	0.1
	08 Aug 2018 10:00	Sato	Japan	0.1
	08 Aug 2018 10:00	Nango	Japan	0.1
	09 Aug 2018 06:00	Fukanuma	Japan	0.1
	09 Aug 2018 06:00	Umenomiya-Jutaku	Japan	0.1
	09 Aug 2018 06:00	Uenodai	Japan	0.1
	09 Aug 2018 06:00	Tsukihama	Japan	0.1
	09 Aug 2018 06:00	Ono	Japan	0.1
	09 Aug 2018 06:00	Takagi	Japan	0.1
	09 Aug 2018 06:00	Hamaichi	Japan	0.1
	08 Aug 2018 16:00	Shiramazu	Japan	0.1
	08 Aug 2018 16:00	Okawa	Japan	0.1
	08 Aug 2018 16:00	Seto	Japan	0.1
	08 Aug 2018 16:00	Chikura	Japan	0.1
	08 Aug 2018 16:00	Kubo	Japan	0.1
	08 Aug 2018 16:00	Shirako	Japan	0.1