POSTED: 10:47 AM EDT Monday 01 May 2017
Severe thunderstorm watch in effect for:
- Niagara Falls – Welland – Southern Niagara Region
- St. Catharines – Grimsby – Northern Niagara Region
LARGE HAIL, DAMAGING WINDS, TORRENTIAL DOWNFALL POSSBLE
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts up to 90 km/h and heavy rain this afternoon and early evening.
Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles. Heavy downpours can cause flash floods and water pooling on roads. Lightning kills and injures Canadians every year. Remember, when thunder roars, go indoors!
Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.
The Office of the Fire Marshal and Emergency Management recommends that you take cover immediately if threatening weather approaches.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to firstname.lastname@example.org or tweet reports using #ONStorm.
For more information: