Thunderstorms to Dominate Southern Ontario Monday!



It has been awhile since I have updated this blog, and I sincerely regret it. A lot of severe weather has taken place, and a lot more will continue to take place as the hot summer weather plows on. First off, I would like to express my deepest regrets in regards to the passing away of Paul Chantree. Paul Chantree tirelessly spent hours working actively in ARES (Amateur Radio Emergency Services). Environment Canada has released a statement honoring Paul for his outstanding work in Dufferin County:


"On a sadder note, CANWARN and Amateur Radio lost an energetic and tireless supporter with the passing earlier this month of Paul Chantree. Paul was a strong proponent of public safety initiatives and was an integral part of the Dufferin County CANWARN group since it's inception a number of years ago. He was well-known to a number of Environment Canada staff including CANWARN's founder Randy Mawson and Phil Chadwick, meteorologist and a dynamic CANWARN trainer for a number of years. He will be greatly missed and on behalf of everyone here at Environment Canada I wanted to express my deepest condolences to his widow, Rita.

Regards,
Geoff Coulson
Warning Preparedness Meteorologist |
Météorologue de sensibilisation aux conditions menaçantes
Ontario Region Client Services |
Service à la clientèle, Région de l'Ontario
Environment Canada | Environnement Canada
Goverment of Canada | Gouvernement du Canada
4905 Dufferin St | 4905 rue Dufferin
Toronto, ON M3H 5T4
Geoff.Coulson@ec.gc.ca
Telephone | Téléphone 416-739-4466
Facsimile | Télécopieur 416-739-4603
Website | Site Web www.weatheroffice.gc.ca"

I had the opportunity this year of attending two Canwarn (Canadian Weather Amateur Radio Network) sessions, where during our initial session in Toronto, we experienced our first line of summer thunderstorms, rumble over our heads, sweep across Southern Ontario, and start pagers beeping from all the weather statements issued by Environment Canada. These storms were not severe, but made our session a little more realistic and appropriate in terms of what we were going to learn. It also got us wishing we had taken our umbrellas with us. (What can you expect though! We're storm chasers; we take antennas, not umbrellas.) The second session was held in Grand Valley last week Tuesday where we heard a little more about the devastating 1985 tornado that ended up killing four people in Dufferin County. An interesting fact about this tornado was the fact that the power had gone out in an industrial park hours before the tornado stuck. As a result, many factory workers were able to go home early, avoiding a catastrophic death. More information about this tornado can be read at: http://www.orangeville.com/news/local/article/820660--25-years-later

Last Thursday a line of thunderstorms swept through Southern Ontario. As a result, Environment Canada issued severe thunderstorm warnings in several regions, including Newmarket. Newmarket ended up receiving hail along with some reports of 90km winds. Hail was also reported in Hamilton and Brampton.

On Monday we will get the same type of weather that we experienced last Thursday. If you look at the radar picture located below this post, you can see a line of thunderstorms currently centered in Wisconsin, slowly heading over to Michigan. This line will continue to move in a westward direction, and will eventually reach Southern Ontario by mid-day tomorrow. Some of these storms will become severe due to daytime heating and humidity. Localized hail, (up to the size of a nickel) and 100km wind gusts could take place in some of these storms. Please keep checking back with Environment Canada to make sure you are not caught unprepared in any of these storms. Severe thunderstorm watches and warnings may have to be issued as these storms come closer.

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