... There is also emerging evidence that a warming planet is leading to a slowing of weather systems and development of more blocking patterns.

Extreme rainfall and a warming planet

Changes to the jet stream could slow storm systems and result in more heavy rainfalls

Reading Time: 3 minutes Glacier FarmMedia – Factors resulting in extreme rainfall events range from lots of atmospheric moisture to different triggers such as orographic or frontal lift, instability, speed of storm systems, and the training of thunderstorms. We will look at the different weather patterns that tend to be associated with rainfall and tie in changing weather patterns […] Read more



File photos of Yukon ranchland. (StockstudioX/iStock/Getty Images)

Prairie Forecast: Building western ridge to bring warming trend

Issued Oct. 4, covering Oct. 4-10

Last week’s weather forecast played out close to what the weather models were predicting. Western regions saw cooler-than-average temperatures move in, while eastern regions saw a brief return to summer-like temperatures. This pattern was a response to an area of low pressure that spun up over the central U.S. during the second half of the […] Read more


File photo of Lake Winnipeg at Grand Beach Provincial Park. (IanChrisGraham/iStock/Getty Images)

Prairie Forecast Update: Wet weather for southern Manitoba, southeastern Saskatchewan

Update issued Oct. 2, covering Oct. 2-4

The strong area of low pressure that the weather models have been forecasting to impact the eastern half of the Prairies on Tuesday and Wednesday is starting to take shape. The latest model runs show the low pushing northward into western Manitoba early on Tuesday morning and then moving off toward northwestern Ontario by late […] Read more

File photo of autumn colours around Lake Diefenbaker in Saskatchewan Landing Provincial Park. (Nancy Anderson/iStock/Getty Images)

Prairie Forecast: Summer tries to hang on

Issued Sept. 27, covering Sept. 27 to Oct. 4

For being this far into fall, the weather models have been surprisingly accurate. Heck, I didn’t even need to send an update for the last issue! Not sure if I can be as optimistic for this forecast period, as we are moving deeper into fall and starting to see the first hints of winter trying […] Read more





A refrigerator is stuck in a tree at Dawson Springs, Kentucky, about 140 km west of Bowling Green, on Dec. 13, 2021. (Photo: Reuters/Jon Cherry)

What makes a tornado?

There are competing theories as to why these destructive storms develop

Reading Time: 3 minutes Though we are near the end of summer and the peak of thunderstorm season, there are still opportunities for severe weather. Let’s look at the most destructive yet awesome weather event associated with thunderstorms: tornadoes. Worldwide, Canada is second only to the United States in the number of tornadoes occurring each year, with an average […] Read more

Winnipeg, Sept. 7, 2023. (Dave Bedard photo)

Prairie Forecast: Summer trying to hang on

Issued Sept. 6, covering Sept. 6 to 13

The weather models seem to be in good agreement for this forecast period, with no strong storm systems expected to impact the Prairies, making for a fairly high-confidence forecast. This forecast period will start off with a generally west to southwesterly flow across the Prairies. A broad but weak area of low pressure is expected […] Read more