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Greater Sudbury under heavy rainfall warning

Heavy rains are expected Monday in Greater Sudbury and, combined with the still frozen ground, concern is increasing about potential flood risks.
rain
As much as 25-50 mm of rain could fall by Monday evening in Greater Sudbury, Environment Canada said Sunday. File photo.
Heavy rains are expected Monday in Greater Sudbury and, combined with the still frozen ground, concern is increasing about potential flood risks.

Most of the rain can't be absorbed into the ground, and will instead add to the spring runoff as the late spring this year picks up momentum.

“The next surge of moisture will move into the area tonight generating heavy rain at times,” said a release from Environment Canada on Sunday. “By Monday evening, total rainfall amounts of 25 to 50 mm are possible before a cold front moves through, bringing a colder airmass and changes the precipitation over to snow.”

The Nickel District Conservation Authority released a statement Sunday saying that colder weather moving into the city this week should moderate flood concerns somewhat. However, with so much snow left on the grounds, residents – especially those living in low-lying areas and places historically at risk of flooding – should keep close watch.

“Water levels and flows on most watercourses continue to increase and if this amount of mixed precipitation is received over the next 24 to 36 hours, it will definitely impact the runoff situation,” the release said.

A high of 4 C is expected Monday, with rain turning to snow overnight Tuesday. A low of -11 C is expected Tuesday, with a high of -2. More rain and snow is expected later in the week, with daytime highs ranging from 2-9.

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