What to Do During a Severe Thunderstorm Watch

thunderstorm  The basic ingredients used to make a thunderstorm are moisture, unstable air and lift You need moisture to form clouds and rain You need unstable air that is Severe Thunderstorm Warning · Heavy rain from thunderstorms of 25mmh or more · Large hail of 20mm diameter or more · Strong wind gusts from thunderstorms of

Description A Thunderstorm is the term used to describe a convective cloud with associated heavy precipitation, typically heavy rain, heavy snow, or hail, Be prepared to seek shelter if a severe thunderstorm approaches A sturdy building is the safest place to be during a severe thunderstorm Avoid unprotected

The thunderstorm risk continues to build into Thursday and Friday across much of Ontario and Quebec ahead of an unsettled weekend  A multi-cell storm is a thunderstorm in which new updrafts form along the leading edge of rain-cooled air Individual cells usually last 30 to