Typhoon Jangmi brought heavy rain to the Tokyo metropolitan area on Wednesday, swelling rivers to dangerous levels and disrupting flights and trains, after making landfall earlier in the southern part of Wakayama Prefecture in western Japan.The season's sixth typhoon had earlier raised flooding concerns in the prefecture, where it made landfall around 4:30 a.m. At one point, the weather agency issued its highest level 5 flood danger warning for the Koza River, saying it had begun overflowing its banks, before local authorities lifted an emergency safety measure for downstream areas at 8:50 a.m.Chief Cabinet Secretary Minoru Kihara said in the morning the government had received reports of flooded roads, toppled trees and landslides from Kyushu to the Kanto region, which includes Tokyo, as…