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Prefectural Weather Information | Saga Prefecture Weather Information on Heavy Rain, Lightning and Gusty Winds
2025/8/11 05:48 Saga Regional Meteorological Observatory announcement
In Saga Prefecture, please be on high alert for landslide disasters, flooding of low land, rising water and flooding of rivers until noon on the 11th. Continuing, a linear rain band will occur before noon on the 11th, and the risk of heavy rain disasters may increase sharply.
　[Weather Overview]
　　Warm and moist air flows towards the front in the northern region of Kyushu, making the atmospheric conditions very unstable.
　　For this reason, in Saga Prefecture, heavy rain accompanied by lightning and very heavy rain will fall locally until noon on the 11th, and there is a risk of heavy rain. There are places where the ground is loose and the water level is rising due to the heavy rain so far, and even a little rain may cause landslides and river flooding. There is also a risk of severe gusts of wind such as lightning strikes and tornadoes.
　
　[Rain commentary]
　Precipitation from the beginning of the rain (03:00 on the 9th) to 05:00 on the 11th (preliminary data by AMeDAS)
　　　Tosu 176.0mm
　　　Saga Airport 155.0mm
　　　Ureshino 147.5mm
　
　[Rain forecast]
　The expected 1-hour precipitation on the 11th is a lot of places.
　　　Southern 50 mm
　　　Northern 30 mm
　The 1-hour precipitation expected on the 12th is high in places.
　　　Southern 20 mm
　　　Northern 20 mm
　The 24-hour precipitation expected from 6 o'clock on the 11th to 6 o'clock on the 12th is a lot of places.
　　　Southern 150 mm
　　　Northern 100 mm
　After that, the 24-hour precipitation expected from 6 o'clock on the 12th to 6 o'clock on the 13th is a lot of places.
　　　Southern 50 mm
　　　Northern 50mm
　If a linear precipitation band occurs, there is a risk of further increase in rainfall locally.
　
　[High tide time]
　　Oura Port 11th 10:19 22:57
　　　　　　12th 10:59 23:27
　
　[Disaster prevention matters]
　　Please be on high alert for landslides, flooding of low-lying land, and rising and overflowing rivers.
　　Also, watch out for violent gusts of wind, such as lightning strikes or tornadoes.
　　If there are signs that a developed cumulonimbus cloud is approaching, please try to ensure safety, such as moving into the building.
　
　[Supplementary Notes]
　　Please pay attention to future warnings, advisories, weather information, etc.
　　For information on the risk distribution of landslides, flood damage, and flood disasters, please check the "Japan Meteorological Agency website".
　
　　The following information will be announced around 11:30 on the 11th.

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