Disaster Prevention Net An-an｜Prefectural Weather Information

Back

Prefectural Weather Information | Saga Weather Information on Heavy Rain, Lightning and Gusty Winds
July 18, 2025 at 11:08 a.m. Saga Regional Meteorological Observatory announcement
In Saga Prefecture, from late afternoon to early evening on the 18th, a linear precipitation band may occur, and the risk of heavy rain disasters may increase rapidly. Be careful and vigilant against landslides, inundation of low-lying land, and swelling and flooding of rivers.
　[Weather Overview]
　　In the northern Kyushu region, warm and moist air around the anticyclone is flowing in, and the atmospheric condition is very unstable.
　　As a result, there is a risk of heavy rain accompanied by lightning and very heavy rain locally in Saga Prefecture until the evening of the 18th. If rain clouds develop more than expected or if rain clouds stagnate in the same place, there is a possibility of warning-level heavy rainfall. There is also a risk of severe wind gusts, such as lightning strikes and tornadoes.
　
　[Rain Forecast]
　The one-hour precipitation expected on the 18th is high.
　　　South 50 mm
　　　Northern 50 mm
　The 24-hour precipitation expected from 12 o'clock on the 18th to 12 o'clock on the 19th is high.
　　　South 120 mm
　　　Northern 120 mm
　In the event of a linear precipitation band, there is a risk of further localized rainfall.
　
　[High tide time]
　Oura Port 18th 14:20
　
　[Disaster Prevention Matters]
　　Be careful and vigilant against landslides, inundation of low-lying land, and swelling and flooding of rivers.
　　Watch out for severe wind gusts, such as lightning strikes and tornadoes. If there are signs of an approaching cumulonimbus cloud, please move into a building and take other measures to ensure safety.
　
　[Supplementary Notes]
　　Please pay attention to future warnings, advisories, and weather information.
　　For information on landslides, floods, and flood disasters, please check the Japan Meteorological Agency website.
　
　　The following information will be announced at around 16:30 on the 18th.

Back