April has started on an extremely wet note across Japan, with Tokyo already recording more than a month's worth of rain.
A storm on the 2nd and 3rd brought torrential rains to major cities in Japan. In the Kanto Plain, cities were inundated with rain.
The hardest hit location was the Japanese Capital in Tokyo, which received over 4.48 inches (11.4 cm) of rain on both of those days with an additional 1.26 inches (3.2 cm) of rain on Saturday, as of 9 p.m. local time.
That pushes the rain total for those three days to 5.74 inches (14.6 cm), over the 5.30 inches (13.5 cm) Tokyo typically receives during the entire month of April.
Another city further north on the Kanto Plain that was hard hit was Sendai, which received 1.65 inches (4.2 cm) of rain during the event, almost half the normal amount they see during the month of April on average.
The result of such heavy rains has been flooding for many locations in the Kanto Plain. Flood warnings are in effect as many of the region rivers have reached flood stage.
During the rain event itself, low lying areas and those places with poor drainage saw groundwater pile up. A subway system in Tokyo was flooded.
A Tokyo subway system, flooded by heavy rains. (Photo Courtesy Twitter user @ubergenki)
While Tokyo does have a system of tunnels designed to assist in flood prevention, the system was not enough to prevent flooding from occurring.
More rain is expected on Saturday night and Sunday as well. Many of the computer models are currently predicting a storm system that should lift over central Honshu during that time period to bring anywhere between 0.75 and 1.50 inches (2-4 cm) of rain to most locations, with locally higher amounts.
Looking forward, the combination of additional rainfall and an already saturated ground could lead to more than just localized flooding. Rivers already in flood stage may see conditions worsen.
Another threat will be from landslides, as the ground continues to saturate and eventually give way, especially in hillier locations. Landslides always carry the potential to bring significant damage as they sweep large chunks of land downhill, destroying entire homes in their path.
Thumbnail photo courtesy of Photos.com/Yury Zap
Tropical Storm Hermine will turn toward Florida with heavy rain, gusty winds and the risk of flooding late this week.
Another strong tropical disturbance has moved off the coast of Africa and bears watching for strengthening and impact on the Caribbean and the United States during September.
A swarm of tropical systems cruising the Atlantic Ocean will raise surf and risks to beachgoers along the East coast of the United States into Labor Day weekend.
Two tropical systems, Madeline and Lester, could pose hazards to Hawaii into Labor Day weekend.
Though the summer season is winding down, forecasters are predicting a warm start to fall across the Northeast — a weather pattern that could spell bad news for fall foliage lovers.
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