Atmospheric conditions have become extremely unstable over a wide area from western Japan to eastern Japan, and rain clouds have developed locally.
There is a risk of extremely heavy rainfall locally from western Japan to eastern Japan, especially in the afternoon when the temperature rises, and the Japan Meteorological Agency is calling for caution against sediment-related disasters, sudden flooding of rivers, and inundation of low land.
According to the Japan Meteorological Agency, the atmospheric conditions have become extremely unstable over a wide area from western Japan to eastern Japan due to the effects of cold air and warm and moist air in the sky, and rain clouds have developed locally.
The extremely unstable state of the atmosphere continues over the 15th, and on the 14th, there are places where it rains more than 50 mm per hour with lightning in a wide range from western Japan to eastern Japan, mainly in the afternoon when the temperature rises. It is expected.
Due to the weak winds in the sky, when rain clouds develop, they tend to stay in the same place, which can lead to more rain than expected.
The Japan Meteorological Agency warns against sediment-related disasters, sudden flooding of rivers, and inundation of low land, and calls for careful attention to severe gusts such as lightning strikes and tornadoes, as well as "hail".
Even if it is sunny, the weather may change suddenly, and if there are signs that a developed cumulonimbus cloud is approaching, such as a sudden strong cold wind, move to a sturdy building to ensure safety.
Atmospheric instability is expected to continue over the 16th, so be sure to check for the latest weather information.