求翻译：9月1日，受“南玛都”残留云系影响，莆田市境内突降百年一遇特大暴雨，强度为1960年以来最大。引发莆田市严重的洪涝、山洪、滑坡等灾害。莆田市主城区受淹近半，面积达20多平方公里，最深达2.4米是什么意思？

September 1, by the "Nanmadol" residual cloud effects, Putian City in dump heavy rain once every hundred years, the maximum intensity since 1960. Putian caused serious flooding, mountain torrents, landslides and other disasters. Putian City, the main city flooded nearly half, an area of ​​20 square

On 1 September, the " " residues are south line cloud system in Putian City, affecting 100 sudden landing in a heavy rainstorm, intensity, since 1960 for the largest. Putian City caused serious floods, flash floods, landslides and other disasters. Putian City downtown nearly half have been flooded,

As soon as since on September 1, “south Masurium all” the residual cloud has been the influence, within the boundaries of Putian falls hundred years to meet the especially big rainstorm, the intensity is suddenly 1960 is biggest.Initiates disasters and so on Putian serious flooding, mountain torrent

On September 1, "nanmadol" residues of cloud effects, Putian City plunge by a century of heavy rainfall in the territory, strength as the largest since 1960. Caused serious disasters such as floods, flash floods, landslides in Putian. Main city of Putian City flooded nearly a half, an area of more t

On September 1, "nanmadol" residues of cloud effects, Putian City plunge by a century of heavy rainfall in the territory, strength as the largest since 1960. Caused serious disasters such as floods, flash floods, landslides in Putian. Main city of Putian City flooded nearly a half, an area of more t