Tropical Storm Chanthu continues to track north this morning after making landfall in Chiba Prefecture overnight. Max winds at landfall were reported Chosi, Chiba along the coast up to 50kts or 93kph. Haneda airport in Tokyo is located along Tokyo bay and seen a wind gust of 85kph around 4AM.


Haneda airport had a few flights delayed overnight, but now conditions are improving and flights are getting back underway.


Landfall Look At Radar around 0330JST

Landfall Look At Radar around 0330JST

Travel delays for commuters and train passengers in Northern Japan continue to take place. The Yamagata Shinkansen has been closed due to the rough weather.  Over 160 train lines in Hokkaido have also been suspended ahead of the storm.


In Ibaraki Prefecture just north of Chiba and close to where the storm came on shore 1,500 homes lost power. TEPCO quickly resolved and restore power by morning. Speaking of TEPCO the storm also moved over the crippled Fukushima Daichi Nuclear Power Plant. Nothing unusual was reported and activity remains the same today.


The storm is not over yet, in fact it intensified overnight after moving over the Kurioshio current a band of warm sea surface temperatures much like the gulf stream in the US.  Radar images indicated a organized low level center as it neared Japan resulting in JMA upgrading the winds from 35kts to 45kts.


The storm is still expected to track north through Tohoku bringing heavy rains and the threat of flooding. Landslides are also a threat, much of Fukushima prefecture is under a landslide warning due to the heavy rains which have been hitting the last few hours.  The volcanic soil of central Japan can be prone to landslide if water logged.


Overnight Wednesday in to Thursday conditions should improve across most of Japan as Chanthu tracks north. Behind it hot and humid conditions will dominate most of the country. This could trigger some afternoon thunderstorms but also does usher in the threat of heat stroke.


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