After a wet and rainy day in Ottawa, a severe thunderstorm warning is in effect Tuesday evening for Ottawa South, Richmond and Metcalfe, with a watch in effect for Ottawa North, Kanata and Orléans, according to Environment Canada.
Issued just after 9 p.m. Tuesday, the warnings caution storms are moving eastward at about 50 km/h throughout the Ottawa region. Heavy rain is expected, with possible wind gusts of up to 90 km/h. Up to 50 to 75 millimetres of rain could fall within an hour or less.
If threatening weather approaches, people should take cover, the warning says. Drivers are also cautioned that fast-moving water on roads can sweep vehicles away. Strong winds can toss loose objects, cause damage to weak buildings, break branches off trees and overturn large vehicles.
The warning adds severe thunderstorms can produce tornadoes. If a tornado occurs, people should stay indoors, move away from windows and skylights, and avoid areas that could be affected by falling debris.