Tornado warnings dropped in northwestern Ontario, storm risk continues

·5 min read
Tornado warnings dropped in northwestern Ontario, storm risk continues
Tornado warnings dropped in northwestern Ontario, storm risk continues

The week started off on a stormy note across parts of the eastern Prairies, with tornado warnings and watches issued in northwestern Ontario Monday evening as a line of severe storms trekked in from stateside. Tuesday will see the storm chance move farther east into northern Ontario, while southern Manitoba deals with more rain and strong winds. More on what to expect Tuesday and beyond, below.

MANITOBA: OVERLAND FLOOD WARNINGS AMID THE ROUNDS OF HEAVY RAIN

A powerful Colorado low will bring more rain into much of southern Manitoba into Tuesday. Several more are expected before the system finally departs Tuesday evening.

Special weather statements, rainfall and wind warnings span the region, cautioning of the significant rainfall expected through Tuesday. General rainfall amounts of 20-40 mm are expected, though pockets of 40-60 mm are possible along the Manitoba and northwestern Ontario border, locally higher amounts in thunderstorms. Heavy downpours with locally higher rainfall totals are possible.

PRRain
PRRain

"Heavy downpours can cause flash floods and water pooling on roads," says Environment and Climate Change Canada (ECCC) in the special weather statement. "Watch out for possible washouts near rivers, creeks and culverts."

This will result in more serious delays in spring planting, which is already a couple weeks behind schedule. May 31 is a critical deadline for many farmers to decide if they will attempt to move forward with the season or to cash in on crop insurance.

An overland flood warning has been issued for Manitoba's southeastern corner, as announced in a provincial flood bulletin on Sunday.

According to the bulletin, water levels on lakes and streams are already high and soils are saturated with water, so the rain set to hit the province through Tuesday could result in overland flooding.

In western Manitoba, wind warnings are in effect, with gusts of 60-80 km/h expected through Tuesday. Winds will diminish Tuesday overnight as the low moves off into northwestern Ontario.

"Damage to buildings, such as to roof shingles and windows, may occur," says ECCC in the warning. "Loose objects may be tossed by the wind and cause injury or damage. High winds may result in power outages and fallen tree branches."

The winds may also cause water levels to rise along shorelines, adding a temporary increase in water levels of Lake Winnipeg, Lake Manitoba, Lake Winnipegosis and Dauphin Lake.

NORTHWESTERN ONTARIO: STORM THREAT DIMINISHES AND SHIFTS EAST

An elongated boundary of active weather remains draped across northern sections of Ontario, bringing rain and thunderstorms for Tuesday.

ONRISKTUES
ONRISKTUES

Much of northern Ontario will be under the threat for seeing thunderstorms Tuesday with communities north and east of Lake Superior looking to be the most favourable location for severe weather as the cold front marches through a hot and humid air mass.

Northwestern sections could still see non-severe storms fire up, but most of the severe potential will shift north and east of Lake Superior.

PRAIRIE FARMERS STRUGGLE WITH CROPS AMONGST BOTH DROUGHT AND FLOODING CONDITIONS

Click here to view the video

LOOK AHEAD: COOLER AND UNSETTLED WEATHER ON THE WAY

Much cooler weather will spread across the region through the first half of this week, with temperatures sitting 5-10 degrees cooler than seasonal.

While the eastern Prairies are set to receive ample amounts of rainfall in the coming days, this will be a different story for western sections.

A disappointing forecast for southern Alberta farmers over the next week as the widespread rain will stay south of the border. With just scattered showers, most will miss out on the much-needed soaking rain.

Model data does show a rather favourable pattern for beneficial rain for the second week of June, but we have seen a lot of false hope turn into a dry forecast, so this is just something that we will continue to watch closely for now.

Be sure to check back for the latest weather updates across the Prairies.

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