![]() ![]() Officials in British Columbia are working to roll out a new rating system to alert the public about the threat posed by atmospheric rivers. ![]() Since preindustrial times, the Earth has warmed 1.2 degrees Celsius (2.2 degrees Fahrenheit), and at the current rate that humankind continues to add greenhouse gases to the atmosphere, more warming is all but guaranteed, and with it, further disruptions to the water cycle.įloodwaters cover a section of Highway 1 in Abbotsford, British Columbia, on Saturday. When conditions are right, that moisture can be unleashed, as has been seen across the globe this year, including record-setting deluges in New York and Michigan. For every degree Celsius of temperature rise, the atmosphere holds 7 percent more moisture. The unprecedented rainfall is at least partially caused by climate change. More than 5 inches of rain fell Tuesday night into Wednesday morning in parts of British Columbia, and more is on the way. Much of the province on Canada's West Coast was still underwater from last week's record-setting deluge of rain, which cut off several towns, forced the evacuation of thousands of residents and left at least four people dead. Less than a week after an atmospheric river took aim at British Columbia, dumping several inches of rain that washed away highways, sparked landslides and flooded homes and businesses, more extreme precipitation is set to fall across the region. ![]()
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