東京都心では、8月27日から10月2日まで37日連続で雨が観測され、9月は全日雨となりました。
Central Tokyo experienced a streak of 37 consecutive days of rain starting from August 27 and finally ending in early October 2026, meaning it rained every single day through September.
※streak （気候等の）一続き
秋雨前線の停滞と台風の接近で雨量が増えたそうです。この雨の長さは記録更新です。
A stationary autumn rain front brought rain to central Tokyo for 37 consecutive days through Oct 2. According to the Japan Meteorological Agency, the streak is the longest on record in the area since statistics began in 1886, surpassing the previous record of 33 consecutive days from June 27 to July 29, 2019.
千葉では、線状降水帯＝linear rainband/linear precipitation zoneが、豪雨=torrential rain/downpourをもたらし、8月平均3日分の雨が半日で降りました。
In Chiba Prefecture, a record amount of rain fell from the evening of August 13 through the morning of the following day. Chiba City received about three times the average rainfall for August in just half a day.
動かなくなり、乗り捨てられた車両もありました。
About 2,700 vehicles across the prefecture were left inoperable after being submerged in floodwater. Many vehicles had been abandoned on roads.
※submerged vehicle 水没車両 ※stranded car 立ち往生した車
※floodwater 河川氾濫による出水、洪水の水
印旛沼の堤防が決壊して、浸水被害が広がりました。
Levees collapsed at multiple locations, marking the first major breach on the lake since 1968.
※levee 堤防、土手➾embankment, bank
※breach①違反 ②（堤防等の）決壊箇所
Large-scale flooding affected parts of cities like Narita, submerging roads, agricultural fields, and residential areas.
※submerge 浸水させる、氾濫させる➾inundate
55.7%が洪水浸水想定区域や低地帯の「外」での発生でした。
55.7% of flood damage occurred "outside" designated hazard map inundation zones and low-lying areas.
※川の水が堤防を越える外水氾濫＝river flooding／river overflow／overflowing riverと違い、
内水氾濫＝=inland flooding/urban floodingは川の位置と関係なく排水能力を超える雨が降れば住宅地の真ん中でも起き、床上浸水や床下浸水=above-floor inundation/ below-floor inundationといった被害につながります。
台風25号は、田んぼや、養魚場＝aquafarmにも被害の爪痕を残しました。泳ぐ宝石と呼ばれる錦鯉も多く流されました。
Typhoon Dujuan inundated rice paddy fields and other farmland while flooding facilities where carp and eels were being cultivated near Lake Imbanuma in northern Chiba. Around 100,000 Nishikigoi ornamental carp ready for sale were swept away.
決壊した印旛沼堤防の緊急復旧工事は完了しましたが、国土交通省主導の復興活動はまだ続いています。
Emergency repair work using sandbags and temporary levee raising has been completed at several sites by local and national authorities. The Ministry of Land, Infrastructure, Transport and Tourism (MLIT) has deployed pump trucks for drainage（排水） and continues repair work on remaining sections.
