2023-09-27 06:43:56
A low pressure system will develop and pass tomorrow, the 28th. Stormy weather will occur in northern Japan and Hokuriku. There is a risk of warning-level heavy rain and storms in Tohoku.
September 27, 2023 15:43
A low pressure system will develop and pass through the Tohoku region until tomorrow, the 28th. The rain will become heavier in some areas in Hokuriku, Tohoku, and Hokkaido, and there is a possibility that it will become “warning-level heavy rain” in some areas, especially in Tohoku. Winds are increasing along the coast, and people should be on guard against strong winds.
A low pressure system will develop and pass tomorrow, the 28th.
Today, the 27th, due to the effects of a low pressure system, heavy rain fell at one point in Niigata, Miyagi, and Yamagata prefectures. Although the rain briefly increased in the morning, there was a lull in the afternoon.
However, tomorrow, the 28th, a new low pressure front will develop and pass through the Tohoku region, and a cold front extending from the low pressure will move south from the Tohoku region to western Japan. The inflow of warm, humid air will make the atmosphere unstable, and rain clouds are expected to develop near low pressure systems and fronts.
Tomorrow, the 28th, warning-level heavy rain and strong winds will occur in Tohoku, with some places experiencing increased rainfall in Hokuriku and Hokkaido.
Rain will gradually become more widespread from tonight.
It will rain widely in Hokuriku and Tohoku tomorrow, the 28th, and the rain is likely to become heavier intermittently. Particularly in the Tohoku region, localized heavy rain will fall from the morning until the afternoon as the low-pressure system approaches, and winds will be strong especially in coastal areas, resulting in torrential rain. The weather is likely to be stormy during commuting hours, so please be careful.
In Hokkaido, the rain and wind are gradually increasing from the southern part of Hokkaido, and active rain clouds are expected to pass from around noon until night. Please be aware of locally increasing rain and thunderstorms. Also, the wind is likely to increase, so please do not approach the coast unnecessarily.
Expected precipitation
Rainfall will increase tomorrow, the 28th, especially in the Tohoku region.
In the northern Tohoku region, “heavy rain” is expected to occur in some places.
When it rains heavily, the roads outside turn into rivers, and cars traveling on the expressway are at risk of hydroplaning, where a film of water forms between the tires and the road, making the brakes ineffective. Therefore, you need to be very careful when driving a car.
If the rain clouds develop more than expected, there is a possibility of warning-level heavy rain.
Precipitation expected for 1 hour on the 28th (in places where there is a lot of precipitation)
Northern Tohoku 30mm
Precipitation forecast for 24 hours from 6:00 pm on the 27th to 6:00 pm on the 28th (in all places)
Northern Tohoku Sea of Japan side 80mm
Northern Tohoku Pacific side 100mm
In the northern Tohoku region, from the morning of tomorrow 28th until late at night, vigilance is required for landslides caused by heavy rain, flooding of low-lying land, and rising river waters.
Please pay attention to weather information and take safe actions.
wind forecast
Winds are expected to be strong from the north or west over the Tohoku region.
If the low pressure system develops more than expected, there is a possibility of warning level winds from the north or west.
Maximum wind speed expected on the 28th (maximum instantaneous wind speed)
Tohoku Sea of Japan side Sea 17 meters (30 meters)
Tohoku Sea of Japan side land 12 meters (25 meters)
Tohoku Pacific side sea 18 meters (30 meters)
Tohoku Pacific side land 11 meters (25 meters)
Additionally, at sea in the Tohoku region, please be wary of strong winds from the north or west from the morning of the 28th until late at night.
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