Weather in Ottawa: Tornado warning for Eastern Ontario ends

Conditions were favorable for the development of severe thunderstorms capable of spawning tornadoes for most of Monday. All weather warnings in the region ended shortly before 7 p.m.

The weather service has issued a tornado warning for most of Eastern Ontario, including Ottawa-Gatineau, for Monday morning. Strong winds of up to 90 km/h, heavy hail and torrential rain are possible.

“A line or area of ​​thunderstorms is expected to move eastward across Eastern Ontario this afternoon. The main hazards from these thunderstorms will be strong wind gusts and the threat of a tornado,” the weather report said.

“In addition, the moist air mass will cause torrential rain to occur in storms.”

According to Environment Canada, these rains brought 38.7 mm of rain to Ottawa Airport and nearly 30 mm to downtown.

A tornado warning was issued for Prescott and Russell at 2:04 p.m., but was lifted within 10 minutes. A tornado warning remains in effect in the region. Tornado warnings were in effect in parts of Quebec, including the Mont-Tremblant and Sainte-Agathe areas, Lachute, and Papineauville and Chénéville, but these have since been downgraded to severe thunderstorm warnings.

According to Environment Canada, tornadoes are dangerous and potentially life-threatening.

“Be prepared for severe weather. Seek shelter immediately if threatening weather approaches,” the statement said.

Tornado warnings are issued when atmospheric conditions are favorable for the development of thunderstorms that could produce tornadoes. Tornado warnings are issued when the danger is imminent.

In the event of a tornado or if a tornado warning is issued, Environment Canada advises moving to a room on the lowest floor, away from exterior walls and windows, such as a basement, bathroom, stairwell or interior wall.

“Abandon RVs, vehicles, tents, trailers and other temporary or freestanding shelters and move to a stable building if possible,” advises Environment Canada.

Forecast for Monday

Environment Canada's weather forecast for Monday calls for cloudy skies and a 40 percent chance of rain late in the morning, with a risk of thunderstorms early this morning.

Showers with thunderstorms will begin in the early afternoon, with a storm bringing between 30 and 40 mm of rain. The maximum temperature will be 23 °C and the humidity will be 28.

The thunderstorms are expected to end by this evening, remaining cloudy with a 40 percent chance of rain.

Further rain and thunderstorms are expected on Tuesday. Between five and ten millimetres of rain are expected.

Weather conditions will improve throughout the week, with clouds expected on Wednesday and a mix of sun and clouds on Thursday. Temperatures will remain stable at around 20°C.

Sunny weather is forecast for the weekend.