Atmospheric instability in Tohoku, eastern Japan Risk of heavy rain accompanied by lightning

Atmospheric conditions have become unstable in eastern Japan and Tohoku due to the effects of low pressure systems accompanied by fronts, and rain and wind are intensifying.

Heavy rain accompanied by lightning may occur in eastern Japan around the beginning of the night of the 13th, and on the Pacific side of the Tohoku region until the dawn of the 14th. You need to be vigilant and careful.

Atmospheric conditions are unstable in eastern Japan and the Tohoku region due to the influx of warm and moist air from the south into a low pressure system with a front in the southern part of the Kanto region.

In the hour until 4:00 pm, it rained 28 mm in Setagaya Ward, Tokyo, 23 mm in Edogawa Ward, Tokyo, and 20.5 mm in Bando City, Ibaraki Prefecture.

In addition, there are areas where tornado warning information has been announced in Tokyo, Kanagawa, Chiba, and Saitama, and sediment-related disaster warning information has been announced in some parts of Chiba prefecture.

In eastern Japan, mainly on the Pacific side, around the beginning of the night of the 13th, and on the Pacific side of the Tohoku region, until the dawn of the 14th, heavy rain accompanied by lightning may cause heavy rain, 24 hours until 6 pm on the 14th. The amount of rain that falls on is expected to be 120 mm in many parts of the Tohoku region.

It is necessary to be cautious and careful about sediment-related disasters, inundation of low land, flooding and flooding of rivers.

Also, in the Kanto region, be very careful about sediment-related disasters.

Be careful of severe gusts such as tornadoes and lightning strikes.

If there are signs that cumulonimbus clouds are approaching, such as when a sudden cold wind blows strongly or the surroundings become dark, try to take measures such as moving to a sturdy building or closing the curtains and moving to a room with few windows. please.

Intense hail in Ota-ku, Tokyo

In the video taken by a man living in Ota-ku, Tokyo after 3:00 pm on the 13th, you can see that something like a hail is falling violently from the left side to the right side of the screen.

Also, in another image, you can see that it is hitting the car or the ground strongly.

The man said, "From around 3 pm, it was raining instead of something like a hail, and it was raining pretty hard for about 30 minutes. Occasionally there was thunder."