December 7, 2022

La Ronge Northerner

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Red Warning in BC: 200 + mm water in a few hours

Sunday, November 28, 2021 at 6:04 am – For the first time since the start of data collection, a red alert has been issued by the Environment of Canada. The reason: Heavy rains in British Columbia once again wreak havoc, ten days after a similar event devastated the province.


As British Columbia recovers from the early part of the month, there was significant rainfall over the province again this weekend. It also started to rain heavily during the day on Saturday.

The reason is the same event that happened last time. A large atmospheric river, with a concentrated corridor of moisture in the atmosphere, is at risk of transferring moisture from the Hawaiian Islands to the shores of British Columbia.

Disaster

Up to 200 millimeters of water is expected for some areas by Monday morning. Areas near the mountains and western parts of Vancouver Island will be most affected.

Rain (1)

So rainfall records can be distorted once again.

Some areas may receive a total of 400 millimeters of rain in November alone. This is especially true for the small town of Hope: this area is almost three times larger than it normally gets this month.

BC2

Several rain warnings have been issued by Environment Canada for various parts of the West Coast, including Vancouver Island, Fraser Valley and Whistler.

More flooding is expected

With the increase in temperature in the column of the systems. Thus throughout the weekend, the snow level will be over 2,000 meters. Since many high-altitude areas have already accumulated several centimeters of snow, this warming will cause the snow to melt again and increase the current.

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If so, further flooding may occur. Except, British Columbia River Rule Forecast Center Extreme levels of flood danger were announced in at least two places. In addition, evacuation warnings have been issued to residents of the Similkameen and Thulameen rivers in southern British Columbia.

The Ministry of Transport and Infrastructure of British Columbia has chosen to close a few roads on a block basis.

The incident took place as the Upper Province, which has been severely affected for the past few weeks, has not recovered from the floods. It is not impossible that this flood will overtake the Ford McMurray fire between 2016 and 2017 and become Canada’s precious natural disaster.

* In terms of information Weather Network
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See also: Atmospheric tank brings cooling to Quebec