26 June, 2016

Record rains force evacuation of 700,000 in Japan and brings flash floods to West Virginia

An image showing the huge
storm over Kyushu.
In Kyushu, Japan on Friday, government officials urged 700,000 residents to evacuate as record heavy rains and severe flooding inundated the city for the fifth day in a row. Half a world away in West Virginia, another unpredicted record deluge dumped 8.2 inches of rain, washed out roads, cut off shopping malls, flushed burning homes down raging rivers, and left more than 14 people dead and hundreds more stranded.

Individually, these events would be odd. But taken together with what are now scores of other extreme flooding events happening around the world in the space of just a few months and the context begins to look a lot like what scientists expected to happen due to human-forced climate change.

In Kyushu, the skies opened up on Monday. An extension of a seasonal front draped across China and feeding on moisture bleeding off of record hot ocean surfaces edged out over Japan. Mountainous cloud banks unloaded. Record rains in the range of five inches an hour then began to inundate the southern Japanese island. This mass dumping of water eventually accumulated to half a meter (or 1.6 feet) over some sections of the island over the course of just one 24 hour period.

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