A severe cold wave is very strong cold weather in Japan.
The temperature becomes very low, and snow or strong wind can continue.

Recently, Japan has had severe cold waves.
If this is your first winter in Japan, please be careful.

When a severe cold wave comes:
•Keep your neck, hands, and feet warm
•Walk carefully to avoid slipping
•When using heaters, make sure to ventilate the room

Before a severe cold wave comes:
•Check the weather forecast and warnings
•Let a small amount of water run at night to prevent frozen pipes
•Charge your smartphone in case of a power outage

Severe cold waves can happen at any time.
Do what you can now to stay safe.

You can find more information on the following website.
Please check it out!
NHK Easy Japanese News