Key Facts
• From August 7, heavy rain hit Kyushu and Hokuriku, causing widespread damage.
• Kumamoto Prefecture experienced torrential rain on August 10–11, with 2 fatalities reported.
• Special heavy rain warnings were issued for 7 cities and towns in Kumamoto on August 11.
• Landslides and river flooding occurred, severely impacting infrastructure and homes.
• In Ishikawa Prefecture, Noto Peninsula saw renewed damage to restored infrastructure.
• On August 10, landslides blocked the Nakaya Tunnel on Route 249 in Wajima City.
• On August 12, a road collapse in Nanao City caused 3 vehicles to fall, injuring 3 people.
• High atmospheric moisture and a stationary front triggered the heavy rainfall.
• Prolonged heatwaves across Japan, including Kyushu, led to atmospheric moisture buildup.
• Meteorologist Masanari Harada warns of future torrential rain due to high sea surface temperatures.
• The Pacific high-pressure system is expected to bring back extreme heat through September.
• Agricultural damage includes flooded rice fields, raising concerns for crop impacts.
Summary
Recent torrential rains in Kyushu and Hokuriku have caused significant damage, following a period of extreme heat. Kumamoto Prefecture faced severe flooding and landslides, resulting in two deaths and infrastructure damage. Ishikawa’s Noto Peninsula also experienced renewed destruction, including road collapses and injuries. Meteorologists attribute the heavy rain to high atmospheric moisture and a stationary front, exacerbated by prolonged heatwaves. Masanari Harada highlights the risk of future torrential rains due to elevated sea surface temperatures and potential typhoons. With the Pacific high-pressure system expected to dominate, extreme heat is likely to persist through September, raising concerns for both human safety and agricultural impacts.
