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General Affairs Bureau crisis Management Department emergency measures section
Telephone: 045-671-2064
Telephone: 045-671-2064
Fax: 045-641-1677
E-Mail address [email protected]
About official announcement such as evacuation warning using "caution level"
How to convey evacuation information of flood, the earth and sand disaster changes
Last update date June 15, 2020
We were full of that meaning of disaster prevention information that administration gave was not understood by inhabitants enough as one cause by heavy rain in West Japan in July, 2018, and serious damage occurred.
We provide evacuation information using five phases of "caution levels" that "guidelines about evacuation warning" are revised based on this lesson by Cabinet Office, and citizen's all of you understand meaning of information at the time of disaster intuitively, and to be able to take evacuation action easily and will clarify action that you should take.
Contents of "caution level"
About contents of "caution level", it is street of the next table.
| Caution level | Evacuation actions that you should take | Evacuation information |
Disaster prevention weather information |
|---|---|---|---|
| Caution level 5 | It is the situation that disaster has already produced. |
[Yokohama-shi announces] |
<caution level 5 equivalency information> |
Caution level 4 |
Let's evacuate to place of refuge immediately. |
[Yokohama-shi announces] |
<caution level 4 equivalency information> |
Caution level 3 |
People (advanced age, impaired person, infants) and the supporter needing time for evacuation will evacuate. |
[Yokohama-shi announces] |
<caution level 3 equivalency information> |
| Caution level 2 | For evacuation by hazard map, |
[the Meteorological Agency announces] |
|
| Caution level 1 | Let's raise mental attitude to disaster. | [the Meteorological Agency announces] |
As for various information, it may not be announced in order of caution level 1-5 explanatory note 1. The situation may take a sudden turn.
Because caution level equivalency information ... country and the metropolis and districts refer to explanatory note 2 because inhabitants take evacuation action about flood warnings and advisories for designated rivers, heavy rain warning, landslide alert information to announce voluntarily, we are provided as "caution level equivalency information".
When explanatory note 3 grasps that disaster occurrence information ... disaster actually occurs, we announce as far as it is possible.
Explanatory note 4 announces in urgent cases or to repeat, and to promote evacuation depending on the situation of evacuation warning (urgently) ... area.
Dispatch of evacuation information from Yokohama-shi
By delivery means such as urgent breaking news email applying, disaster prevention information E-mail, Twitter, we specify "caution level" and "action that you should take" conventionally and, from Yokohama-shi, deliver evacuation information.
Delivery example (in the case of disaster prevention information E-mail)
Title [caution level 4] About official announcement of evacuation warning
This is Yokohama-shi.
We announced [caution level 4] evacuation warning with announcement of landslide alert information for ○ at ○ time on Reiwa ○ age ○ moon ○ day.
Target areas are as follows.
<area targeted for evacuation warning>
○○A part of ward ○○ 1
○○A part of ward ○○ 2
<action that you should take>
House ino, please start evacuation action to evacuation sites in target area.
When evacuation to evacuation sites is difficult, please take action such as evacuating to (cliff place and contralateral room) of building on the second floor or above temporarily.
You have the inundation of low land, flooding and the flooding of river, the earth and sand disaster be cautious enough of house ino outside target area, and please confirm the latest weather information on TV and radio, the Internet.
About each delivery tool
Reference pages about operation of "caution level"
Page (the outside site) of Cabinet Office disaster prevention information
