The weather pattern that brought some record heat to the eastern Prairies, and some significant rains to parts of Alberta, looks like it will be undergoing a bit of change during this forecast period. The overall flow across the Prairies appears as though it will become predominantly northwesterly as an upper low sets up over […] Read more
Prairie Forecast: Shift in the pattern
Issued June 21, covering June 21 to 28
Prairie Forecast Update: Alberta low to break in two
Forecast issued June 18, covering June 19-21
So far, the general forecast seems to be on track, but there have been some changes. The area of low pressure expected to develop and move north through Alberta is still on track but the weather models now it show it winding itself up across central and northern Alberta on Monday before it breaks apart […] Read more
Prairie Forecast: Alberta low looks to dominate
Forecast issued June 14, covering June 14-21
So far, the weather models have been doing a good job with the medium-range forecasts, only falling off late in the forecast period. Of course, in the summer, short-range forecasts can be difficult, especially when it comes to just when and where thunderstorms will develop. I always find it interesting that a forecast could be […] Read more
A hot end to what was overall a cold spring
The CFS model favours above-average precipitation this summer
Reading Time: 3 minutes The start of June is the start of meteorological summer across the Northern Hemisphere. The meteorological seasons are each three months long. Summer is June to August, fall is September to November, winter is December to February, and spring is March to May. Astronomically, summer starts on the summer solstice, which falls on June 21. […] Read more
Prairie Forecast: Switch in pattern but summer sticking around
Forecast issued June 7, covering June 7-14
The weather models are doing a good job handling all the heat and humidity that has been driving thunderstorms and breaking temperature records across the eastern half of the Prairies over the last week. To the west it has been a little cooler and drier, with not as much instability to deal with, but nonetheless, […] Read more
Smoke and how it can impact the weather we experience
Smoke can inhibit convection, the main force behind cloud and rain development
Reading Time: 3 minutes Smoke from forest fires across the Prairies has generated questions about how smoke might affect weather. So, let’s take a break from our Meteorology 101 class and use this teachable moment. The effect of smoke on weather is not straightforward. Smoke can alter several variables and the outcome depends on the state of the atmosphere, […] Read more
Prairie Forecast Update: Forecast pretty much on track
Update issued June 4, covering June 4-7, 2023
The heat and humidity moved into a large portion of the Canadian Prairies late last week and over the weekend as the previous general forecast played out pretty close to what the weather models predicted. There is not much change in the forecast for the next three days. The heat and humidity will continue across […] Read more
NEW FEATURE: Prairie Forecast: Summer has definitely moved in
Forecast issued May 31, 2023, covering May 31 to June 7, 2023
As we move into the official start of meteorological summer, it is looking like we have left spring behind and summer is here to stay. While this is great for those of us who like heat, humidity and thunderstorms, it can make it difficult to create an accurate forecast. The large areas of low pressure […] Read more
Prairie Forecast Update: A few small tweaks
Forecast issued May 28, covering the period from May 29 to 31
The weather regime across southern and central Canada is currently being dominated by a large sprawling surface high over eastern regions with a slowly digging trough of low pressure over the West Coast. The flows around these two features have been producing warm summer-like conditions across the eastern Prairies with slightly cooler conditions as you […] Read more
NEW FEATURE: Prairie Forecast: Summerlike conditions moving in
Forecast issued May 24, 2023, covering May 24-31, 2023
As we head into the final week of May, it is looking to be very summerlike across much of the Prairies. Currently there is a strong area of cool high pressure centred over the Great Lakes. This area of high pressure is what brought cool and windy conditions to the eastern Prairies on Wednesday. As […] Read more
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