Months worth of rain expected over the weekend near southern Mackenzie Mountains

A view of the South Nahanni River from the shore by Nahanni Butte. (Liny Lamberink/CBC)

Residents on the land should be ready to leave their camps or cabins quickly

A storm is expected to drop more than 100 mm of rain near the southern part of the  Mackenzie Mountains over the weekend.

The N.W.T. government issued a water monitoring bulletin that said there is “high confidence” of two 24-hour periods of 50 mm of rainfall between June 29 and July 3.

“There is also the potential of over 150 mm of rain falling within a single 24 hour period within the above date range,” it reads. “The heaviest rain is predicted to fall on Friday June 30 and Saturday July 1.”

The bulletin says it’s not known exactly where the heaviest rainfall will happen, but that Wrigley and the South Nahanni River Basin “could see very significant rainfall.”

The South Nahanni River may also see a quick rise and possibly affect residents in Nahanni Butte.

“It is always important for individuals to be ready for emergencies. That means having an emergency plan for you and your household, having an emergency kit ready to go, staying up-to-date with the latest information from your community, and following instructions from local officials should the time come,” reads the bulletin.

Several tributaries in the Mackenzie Mountains will be affected by the heavy rain, such as Redstone River, Keele River and Mountain River.

The bulletin warns people on the land about high water levels and increased flow on these rivers.

“Be prepared with communication methods before you go out on-the-land, know the conditions, and be prepared to leave your camp, or cabin on short notice should flooding become imminent,” reads the bulletin.

The amount of expected rainfall equates to the same amount usually seen over one to two months in the area.

Related stories from around the North: 

Canada: Yukon can expect more rain and snow as climate changes, gov’t report says, CBC News

Finland: Mixed May weather in northern Finland, Yle News

Norway: Heatwave hit Europe’s Arctic coast, The Independent Barents Observer

SwedenHigh risk of wildfires in many parts of Sweden, including North, Radio Sweden

CBC News

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