2023-09-17 02:47:25
Line-shaped active rain clouds in northern Kyushu Heavy rain in Nagasaki Prefecture Strict alert for landslides until tonight
September 17, 2023 11:47
Today, the 17th, active line-shaped rain clouds and thunderclouds covered northern Kyushu, and more than 80 mm of heavy rain fell per hour in Saikai City, Nagasaki Prefecture. In Hirado City, Nagasaki Prefecture, rainfall has exceeded 600 mm since the start of the rain on the 13th. Please be on high alert for landslides through the early hours of the night.
Line-shaped active rain clouds and thunderclouds in northern Kyushu
Today, the 17th, warm, humid air is flowing toward a stationary front near the Korean Peninsula, causing extremely unstable atmospheric conditions in northern Kyushu. There are line-shaped active rain clouds and thunderclouds over northern Kyushu.
In one hour, 82.5 mm of heavy rain fell in Saikai City, Nagasaki Prefecture (until 6:16 a.m.), and extremely heavy rain of 62.5 mm (until 8:19 a.m.) fell in Nagasaki City. In addition, the three-hour rainfall at Iki Airport in Nagasaki Prefecture was 98.5 mm (until 6:20 am), which was the highest for September since statistics began in 2003.
Active rain clouds have formed intermittently in northern Kyushu, and in Hirado City, Nagasaki Prefecture, the amount of rainfall since 10 p.m. on the 13th has exceeded 600 mm, which is approximately 2.5 times the amount of rainfall for one month in September in a normal year. Masu. In addition, in Karatsu City, Saga Prefecture, the amount of rainfall since the start of the rain at 3:00 p.m. on the 13th exceeded 300 mm, exceeding the amount of rainfall for one month in September in a normal year.
Strict warning once morest landslides
In northern Kyushu, there is a risk of locally extremely heavy rain falling into the followingnoon of today, the 17th.
As of 11:00, there are areas in Nagasaki Prefecture where landslide warning information has been announced.Due to the continuous heavy rain, the risk of landslides has increased in the warning area, creating a dangerous situation that requires evacuation[Information equivalent to alert level 4][土砂災害]]. If you live in areas prone to landslides, such as near cliffs, please try to evacuate early and pay attention to information such as evacuation orders issued by your municipality.
In northern Kyushu, please be on high alert for landslides during the early hours of the night, and be on guard for rising water levels and flooding in rivers during the evening. Even if the heavy rain subsides, there is a risk of landslides occurring later. Please stay away from dangerous slopes.
There is a risk of very heavy rain tomorrow the 18th as well.
The same pressure distribution will continue tomorrow, the 18th, and atmospheric conditions will be extremely unstable in some places. Locally extremely heavy rain will fall in northern Kyushu from early morning until morning, and there is a risk that the amount of rain will increase further. Be wary of landslides, flooding of low-lying areas, and rising and flooding rivers. You should also be careful of strong wind gusts such as lightning strikes and tornadoes.
The amount of precipitation expected for the next 24 hours by 12:00 tomorrow, the 18th, is expected to be high in all areas.
Fukuoka Prefecture: 100mm
Saga Prefecture: 150mm
Nagasaki Prefecture: 200mm
How to evacuate from landslides
There are two points to keep in mind when evacuating from landslides.
The first thing to do is to try to evacuate early. In particular, if you have elderly people or people with disabilities who need time to evacuate, please take action before it becomes a heavy rain. Also, if heavy rain is expected during the night, it is important to evacuate to a safe place such as a shelter as early as possible.
The second option is to evacuate to a safer place. Until now, most landslides have affected the first floor of wooden houses. If it is difficult to move to an evacuation site because the rain is already heavy, one option is to move to the second floor or higher of a nearby sturdy building. If you stay inside your house, move to a room away from the slope or on the second floor or higher.
In the unlikely event that a debris flow occurs, evacuating to the highest possible location perpendicular to the direction of the debris flow will save your life.
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