Overall Green Tropical Cyclone alert for SHANSHAN-18 in Japan from 02 Aug 2018 18:00 UTC to 04 Aug 2018 18:00 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 (08 Aug 18:00 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	176 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

176 km/h Current Max.

Up to 5.5 million 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

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
9	05 Aug 2018 06:00	Category 2	167	no people	2200 people	24.2, 146.8
9	05 Aug 2018 18:00	Category 2	176	no people	2800 people	25.8, 146
9	06 Aug 2018 06:00	Category 2	176	no people	2900 people	27.6, 145
9	06 Aug 2018 18:00	Category 2	167	no people	12.4 million people	29.4, 144	Japan
9	07 Aug 2018 18:00	Category 1	139	5.5 million people	56.2 million people	32.4, 141.6	Japan
9	08 Aug 2018 18:00	Tropical storm	111	no people	64.7 million people	35, 140.3	Japan
9	09 Aug 2018 18:00	Tropical storm	83	no people	no people	38.6, 142.4	Japan

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
Chikura	Chiba	Japan	City	-
Tateyama	Chiba	Japan	City	49000 people
Ohara	Chiba	Japan	City	20000 people
Mobara	Chiba	Japan	City	96000 people
Katakai	Chiba	Japan	City	-
Yokosuka	Kanagawa	Japan	City	420000 people
Kisarazu	Chiba	Japan	City	120000 people
Naruto	Chiba	Japan	City	22000 people
Kamakura	Kanagawa	Japan	City	160000 people
Chiba	Chiba	Japan	Major city	920000 people
Sakura	Chiba	Japan	City	180000 people
Yokohama	Kanagawa	Japan	Major city	3.6 million people
Kawasaki	Kanagawa	Japan	Major city	1.3 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)
Tateyama		3				0
Kisarazu		3	Mil.	Paved	Yes	6000
Shimoshizu		30				0
Yokohama	YOK	unknown				0
Tokyo Haneda International	HND	7	Civ.	Paved	Yes	9800

Ports

Name	LOCODE	Country
Katsuura Ko		Japan
Tateyama	JPTTY	Japan
Kurihama	JPKRH	Japan
Kisarazu	JPKZU	Japan
Yokosuka	JPYOS	Japan
Goi	JPGOI	Japan
Chiba	JPCHB	Japan
Anegasaki	JPANE	Japan
Neghisi	JPNGI	Japan
Yokohama	JPYOK	Japan
Kawasaki	JPKWS	Japan
Katunan Ko		Japan

Dams

Reservoir	Dam Name	River	Year
Sakuma	Sakuma	Okuzuregawa	1990
Kameyamako	Kameyama	Obitsugawa	1980
Takatakiko	Takataki	Yorogawa	1990
Kori	Kori	Korigawa	1972
Yamakura	Yamakura	Yamakuragawa	1964

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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 Katakai, Japan. This height is estimated for 08 Aug 2018 18:00 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 (168 locations). Calculation based on advisory number 9 of 04 Aug 2018 18:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert	Date (UTC)	Name	Country	Storm surge height (m)
	08 Aug 2018 18:00	Katakai	Japan	0.6
	08 Aug 2018 18:00	Ohara	Japan	0.5
	08 Aug 2018 18:00	Hasunuma	Japan	0.5
	08 Aug 2018 18:00	Chiba	Japan	0.5
	08 Aug 2018 18:00	Ichinomiya	Japan	0.5
	08 Aug 2018 18:00	Katsuura	Japan	0.4
	08 Aug 2018 18:00	Asahi Yokaichiba	Japan	0.4
	08 Aug 2018 18:00	Kamogawa	Japan	0.3
	08 Aug 2018 18:00	Choshi	Japan	0.3
	08 Aug 2018 18:00	Ogushi	Japan	0.3
	08 Aug 2018 18:00	Natsumi	Japan	0.3
	08 Aug 2018 18:00	Hokota	Japan	0.2
	08 Aug 2018 18:00	Katsuori	Japan	0.2
	08 Aug 2018 18:00	Taiyo	Japan	0.2
	08 Aug 2018 18:00	Otake	Japan	0.2
	08 Aug 2018 18:00	Dainigorisawa	Japan	0.2
	08 Aug 2018 18:00	Muyokama	Japan	0.2
	08 Aug 2018 18:00	Omi	Japan	0.2
	08 Aug 2018 18:00	Kyochikama	Japan	0.2
	08 Aug 2018 18:00	Hamatsuga	Japan	0.2
	08 Aug 2018 18:00	Aotsuka	Japan	0.2
	08 Aug 2018 18:00	Kyuchu	Japan	0.2
	08 Aug 2018 18:00	Kashima	Japan	0.2
	08 Aug 2018 18:00	Koya	Japan	0.2
	08 Aug 2018 18:00	Noda	Japan	0.2
	08 Aug 2018 18:00	Kamigama	Japan	0.2
	08 Aug 2018 18:00	Tokawacho	Japan	0.2
	08 Aug 2018 18:00	Ko	Japan	0.2
	08 Aug 2018 18:00	Tateyama	Japan	0.2
	08 Aug 2018 18:00	Olo	Japan	0.2
	08 Aug 2018 18:00	Kokubu	Japan	0.2
	08 Aug 2018 18:00	Okunoya	Japan	0.2
	08 Aug 2018 17:00	Yatabe	Japan	0.2
	08 Aug 2018 18:00	Inuwaka	Japan	0.2
	08 Aug 2018 17:00	Seto	Japan	0.2
	08 Aug 2018 17:00	Kubo	Japan	0.2
	08 Aug 2018 17:00	Shirako	Japan	0.2
	08 Aug 2018 17:00	Chikura	Japan	0.2
	08 Aug 2018 18:00	Shiramazu	Japan	0.2
	08 Aug 2018 18:00	Okawa	Japan	0.2
	08 Aug 2018 18:00	Wada	Japan	0.2
	08 Aug 2018 18:00	Nagasuna	Japan	0.2
	08 Aug 2018 18:00	Shirane	Japan	0.2
	08 Aug 2018 18:00	Toyooka	Japan	0.2
	08 Aug 2018 18:00	Kuji	Japan	0.2
	08 Aug 2018 18:00	Nakaminato	Japan	0.2
	08 Aug 2018 18:00	Mizuki	Japan	0.2
	08 Aug 2018 18:00	Kembutsu	Japan	0.2
	08 Aug 2018 18:00	Fugiwara	Japan	0.2
	08 Aug 2018 18:00	Hara	Japan	0.2
	08 Aug 2018 18:00	Narusawa	Japan	0.2
	08 Aug 2018 18:00	Moto-Kawarago	Japan	0.2
	08 Aug 2018 18:00	Ogitsu	Japan	0.2
	08 Aug 2018 18:00	Tomobe	Japan	0.2
	08 Aug 2018 18:00	Tajirihama	Japan	0.2
	08 Aug 2018 18:00	Kawaziri	Japan	0.2
	08 Aug 2018 18:00	Kawajiri	Japan	0.2
	08 Aug 2018 18:00	Hama	Japan	0.2
	08 Aug 2018 18:00	Nemoto	Japan	0.2
	08 Aug 2018 18:00	Kanamaru	Japan	0.2
	08 Aug 2018 18:00	Hongo	Japan	0.2
	08 Aug 2018 18:00	Konuma	Japan	0.2
	08 Aug 2018 18:00	Hitachi	Japan	0.2
	08 Aug 2018 18:00	Kubota	Japan	0.2
	08 Aug 2018 18:00	Ueda	Japan	0.2
	08 Aug 2018 18:00	Terashita	Japan	0.2
	08 Aug 2018 18:00	Hirakata	Japan	0.2
	08 Aug 2018 18:00	Kitakubo	Japan	0.2
	08 Aug 2018 18:00	Kisara	Japan	0.2
	08 Aug 2018 18:00	Ono-Yasashi	Japan	0.2
	08 Aug 2018 18:00	Isohara	Japan	0.2
	08 Aug 2018 18:00	Yunami	Japan	0.2
	08 Aug 2018 18:00	Shuku	Japan	0.2
	08 Aug 2018 18:00	Asahi	Japan	0.2
	08 Aug 2018 18:00	Oyagaw	Japan	0.2
	08 Aug 2018 18:00	Sunosaki	Japan	0.1
	08 Aug 2018 18:00	Soeno	Japan	0.1
	08 Aug 2018 18:00	Minato	Japan	0.1
	08 Aug 2018 18:00	Katsuyama	Japan	0.1
	08 Aug 2018 18:00	Misaki	Japan	0.1
	08 Aug 2018 18:00	Sakamoto	Japan	0.1
	08 Aug 2018 18:00	Komagamine	Japan	0.1
	08 Aug 2018 18:00	Iso	Japan	0.1
	08 Aug 2018 18:00	Nakumura	Japan	0.1
	08 Aug 2018 18:00	Tsurishi	Japan	0.1
	08 Aug 2018 18:00	Haragama	Japan	0.1
	08 Aug 2018 18:00	Umekawa	Japan	0.1
	08 Aug 2018 18:00	Isobe	Japan	0.1
	08 Aug 2018 18:00	Obama	Japan	0.1
	08 Aug 2018 18:00	Onahama	Japan	0.1
	08 Aug 2018 18:00	Tachiya	Japan	0.1
	08 Aug 2018 18:00	Kasano	Japan	0.1
	08 Aug 2018 18:00	Hanagama	Japan	0.1
	08 Aug 2018 18:00	Aratame	Japan	0.1
	08 Aug 2018 18:00	Omori	Japan	0.1
	08 Aug 2018 18:00	Yokosuka	Japan	0.1
	08 Aug 2018 09:00	Tsubota	Japan	0.1
	08 Aug 2018 09:00	Mlike	Japan	0.1
	08 Aug 2018 09:00	Sato	Japan	0.1
	08 Aug 2018 09:00	Nango	Japan	0.1
	08 Aug 2018 18:00	Hayama	Japan	0.1
	08 Aug 2018 18:00	Tanebe	Japan	0.1
	08 Aug 2018 18:00	Ohahama	Japan	0.1
	08 Aug 2018 18:00	Yamashita	Japan	0.1
	08 Aug 2018 18:00	Yokoyama	Japan	0.1
	08 Aug 2018 18:00	Kaikomba	Japan	0.1
	08 Aug 2018 18:00	Shibamachi	Japan	0.1
	08 Aug 2018 18:00	Warabi	Japan	0.1
	08 Aug 2018 18:00	Shimo-Masuda	Japan	0.1
	08 Aug 2018 18:00	Sangenchaya	Japan	0.1
	08 Aug 2018 18:00	Arahama	Japan	0.1
	08 Aug 2018 18:00	Kabasaki	Japan	0.1
	08 Aug 2018 18:00	Ninokura	Japan	0.1
	08 Aug 2018 18:00	Ainokama	Japan	0.1
	08 Aug 2018 18:00	Kita-Kama	Japan	0.1
	08 Aug 2018 18:00	Fujitsuka	Japan	0.1
	08 Aug 2018 18:00	Ido	Japan	0.1
	08 Aug 2018 18:00	Ena	Japan	0.1
	08 Aug 2018 18:00	Shimo-Takaku	Japan	0.1
	08 Aug 2018 18:00	Toyoma	Japan	0.1
	08 Aug 2018 18:00	Kiyohashi	Japan	0.1
	08 Aug 2018 18:00	Naraha	Japan	0.1
	08 Aug 2018 18:00	Kami-Asamigawa	Japan	0.1
	08 Aug 2018 18:00	Kami-Shigeoka	Japan	0.1
	08 Aug 2018 18:00	Ide	Japan	0.1
	08 Aug 2018 18:00	Shimo-Kitabo	Japan	0.1
	08 Aug 2018 18:00	Futaba	Japan	0.1
	08 Aug 2018 03:00	Mitsune	Japan	0.1
	08 Aug 2018 03:00	Kashitate	Japan	0.1
	08 Aug 2018 03:00	Nakanogo	Japan	0.1
	08 Aug 2018 03:00	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 11:00	Okubo	Japan	0.1
	08 Aug 2018 11:00	Kamitsuki	Japan	0.1
	08 Aug 2018 11:00	Gebano	Japan	0.1
	08 Aug 2018 17:00	Mabushi	Japan	0.1
	08 Aug 2018 16:00	Sashikiji	Japan	0.1
	08 Aug 2018 16:00	Kudatchi	Japan	0.1
	08 Aug 2018 16:00	Habuminato	Japan	0.1
	08 Aug 2018 16:00	Senzu	Japan	0.1
	08 Aug 2018 18:00	Motomachi	Japan	0.1
	08 Aug 2018 18:00	Motomura	Japan	0.1
	08 Aug 2018 18:00	Jinooka	Japan	0.1
	08 Aug 2018 18:00	Okada	Japan	0.1
	08 Aug 2018 18:00	Kozu	Japan	0.1
	08 Aug 2018 18:00	Ninomiya	Japan	0.1
	08 Aug 2018 18:00	Takahira	Japan	0.1
	08 Aug 2018 18:00	Minami-Ibi	Japan	0.1
	08 Aug 2018 18:00	Kayahama	Japan	0.1
	08 Aug 2018 18:00	Gamo	Japan	0.1
	08 Aug 2018 18:00	Shobudahama	Japan	0.1
	08 Aug 2018 18:00	Umenomiya-Jutaku	Japan	0.1
	08 Aug 2018 18:00	Shiogama	Japan	0.1
	08 Aug 2018 18:00	Uenodai	Japan	0.1
	08 Aug 2018 18:00	Tsukihama	Japan	0.1
	08 Aug 2018 18:00	Ono	Japan	0.1
	08 Aug 2018 18:00	Takagi	Japan	0.1
	08 Aug 2018 18:00	Hamaichi	Japan	0.1
	08 Aug 2018 18:00	Onaba	Japan	0.1
	08 Aug 2018 18:00	Oragahama	Japan	0.1
	08 Aug 2018 18:00	Arayashik	Japan	0.1
	08 Aug 2018 18:00	Yotsukura	Japan	0.1
	08 Aug 2018 18:00	Tomioka	Japan	0.1
	08 Aug 2018 16:00	Toshima	Japan	0.1
	08 Aug 2018 18:00	Fukanuma	Japan	0.1
	08 Aug 2018 18:00	Shinhama	Japan	0.1
	08 Aug 2018 18:00	Wada-Shinden	Japan	0.1