Preparation for typhoon and heavy rain

• Make sure there are no cliffs near your home (Earth and sand disaster hazard map）
• Make sure that there is no risk of flooding near your home.(Flood Hazard Map)
• Write the evacuation route from your home to the evacuation center on the map.

• Check multiple evacuation routes so that you can evacuate to two or more evacuation centers.
• Avoid roads that may be closed due to flooding due to heavy rain or landslides.

• Prepare items to be taken out during evacuation on a daily basis so that you can take them out immediately.
• The items to be taken out should be kept to a minimum. (Radio, drinking water, flashlights, pharmaceuticals, baby products, etc.)

• In the event of an emergency, cherish your relationship with your neighbors on a daily basis so that you can help each other.
• Let's create a system that can cooperate in the community to protect the safety of people who have difficulty responding flexibly, such as evacuation behavior in the event of a disaster due to disability or elderly people.
• Let's talk about the cooperation system in the event of a disaster for nearby social welfare facilities in the area on a daily basis.
• Let's hold disaster drill, evacuation drill and lectures to acquire knowledge about disaster prevention.
• When evacuation warning comes out, call out to the neighborhood and take the initiative in evacuating.

We provide disaster prevention information to registered PCs and mobile phones.
You can register from the following.
Yokohama City Disaster Prevention Information E-mail

Please check the information frequently on the Japan Meteorological Agency website and the Yokohama City website.

• Japan Meteorological Agency website (weather information) (outside site)
• Yokohama City Disaster Prevention Information

Be especially careful when landslide disaster alert information comes out.
About earth and sand disaster caution information, this (JMA homepage) (outside site)

A precursor to a landslide

• Pebbles fall from the cliff.
• New spring water is generated on the slope.
• There is a turbidity of the spring water.
• There is a crack in the slope.

If any of the above precursory phenomena occur, take evacuation actions as soon as possible.

In addition, there may be cases where there is no time between the occurrence of a precursor phenomenon to the occurrence of a landslide, or there is no precursor phenomenon.
If you feel danger, take evacuation actions as soon as possible.

When evacuating, wear easy-to-move clothes and try to act with two or more people.
If the surroundings are dark and flooding has already begun, do not forcibly go outside and stay in a high place where you can secure safety, such as the second floor of your home.

• When evacuating, avoid roads along rivers, cliffs, and underground roads.
• The gutters and manhole covers on the road may be off due to heavy rain, so be careful and stay away.

Following the damage of Typhoon No. 19 in 2019, the Cabinet Office considered storm and flood damage countermeasures, and the revised "Basic Law on Disaster Countermeasures" was enforced on May 20, 2021, and the "Evacuation Information Name" at the alert level was changed. I will let you know.

Cabinet Office Disaster Prevention Information Website (outside site)

In Yokohama-shi, when we tell citizens of evacuation warning, we tell by the following means.

• Disaster prevention information E-mail
  We provide disaster prevention information to registered PCs and mobile phones. You can register from the following.
  Yokohama City Disaster Prevention Information E-mail

• Provision of information via "Emergency Bulletin Mail"
  Information will be distributed to mobile phones in the target area that support emergency breaking e-mails. Please check below to see if your mobile phone is compatible.
  About emergency breaking news mail
• Provision of information by TV Kanagawa
• Provision of information via our Website and Twitter
  We distribute evacuation warning through homepage of Yokohama-shi crisis management room and Twitter.
  Dissemination of disaster-related information via Twitter

• Provision of information via television, radio, etc.

• Provision of information through public relations vehicles
  We will carry out calls by public relations vehicles and fire trucks.

voluntary evacuation immediately without waiting for evacuation warning.

Based on the lessons learned from Typhoon No. 18 in October 2014, Yokohama City extracted cliffs that may cause significant damage to houses in the event of a landslide. We have decided to issue "evacuation warning" with the announcement of "earth and sand disaster warning information".
It is not safe in areas where the evacuation warning is not provided. In the event of a heavy rain or typhoon, pay attention to disaster prevention information and take evacuation actions as soon as possible at your own discretion.

◇List of target areas (text formats and maps)
◇Covered area (ArcGIS Online) (outside site)
The target area map may be difficult to browse, such as when a large number of accesses is concentrated.
When you cannot read, sorry for your inconvenience, but please refer to each ward office General Affairs Division listed below.

◇Selection criteria for the target area
◆In this survey, a field survey of cliffs existing in the sediment-related disaster warning area in all wards of the city has been completed.
The immediate review of areas subject to evacuation warning will be carried out at any time depending on the status of countermeasures against cliffs.
[End year of survey in each ward]
Surveyed in FY2014: Nishi Ward, Minami Ward, Isogo Ward
Surveyed in FY2015: Hodogaya Ward, Kanazawa Ward, Naka Ward, Konan Ward, Midori Ward, Tsuzuki Ward  
Surveyed in FY2016: Kohoku Ward, Sakae Ward, Tsurumi Ward, Kanagawa Ward, Asahi Ward, Totsuka Ward
FY2017 Surveyed: Aoba Ward, Izumi Ward, Seya Ward

• In the case of heavy rain, storms, heavy winds, etc., please refrain from going out unnecessary and urgent outings as it involves danger.
• Events hosted by city halls and ward offices will be canceled in principle during heavy rains, storms, and heavy winds.
• In the event of heavy rain, storms, or heavy windstorms, disaster response operations will be performed, and limited personnel will be performed normally. Therefore, at the ward office window, the time to wait is longer and there is office work that cannot be processed on the same day, and may cause inconvenience to citizens. Please be aware of this in advance.

Link: About disaster prevention (City of Yokohama, Housing and Architecture Bureau Building Disaster Prevention Section)