Hi folks and welcome to another Weather Wednesday. we are now into the month of October, which Harold’s cooler weather and sometimes cold weather. Yes, this is when the fall and winter type weather begin the fight for supremacy. This battle is not exactly unlike the winter/spring battle which occurs from late March to mid April but it is not as dramatic until November rolls around. oh, wait… Let’s not get ahead of ourselves.
This of course is the time of year when frost advisories or warnings are issued and we are advised to cover plants which may be sensitive to frost and in particular, the killing frost which ends the growing season. I remember back in 1990 just after our Canadian Thanksgiving holiday, on a Friday in fact. There was a frost warning issued by environment Canada and it was for a killing frost. This is because temperatures were poised to dip below freezing for a few hours overnight.
The latest killing frost I remember was in 2007 in early November, when temperatures finally dipped below freezing for a couple hours overnight in Southern Ontario. That particular fall the weather was quite warm until late October, when it finally started to cool off to normal temperatures around 10°C or below by the time it was Halloween.
As for what is to come this year, it’s hard to say because of all the strange weather that has happened so far. Really, we been through a super cold winter and a rather cool spring and a not very warm summer. So, what are we really expecting this year? I don’t know!
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Another blog you may want to follow alongside this one is from Phil Chadwick. He is a retired meteorologist from Environment Canada and his specialty was severe weather. Here is the url.
Check it out if you are a weather nut. He has stuff in there that I didn’t even know. Well, after all, he did work for Environment Canada for many years and he retired in 2011.
Well, that’s it for today’s blog post. Talk to you on Sunday.