Forecast – for Aug. 26, 2010

Once again, the forecast played out pretty much as expected. The only significant change was that the low-pressure system that started off this week was a little stronger than anticipated, which resulted in cooler-than-expected air being forced over our region behind the low.

That cool air should start to move out of our region by the middle of the week as a ridge of high pressure begins to build back in. It then looks like we are going to see a repeat of last week’s weather. This high pressure will move over our region by Friday and move to the east of us over the weekend. At the same time, a large area of low pressure will be developing to our west. This will once again place us in a strong southerly flow with that will allow for temperatures to push the upper end of the usual temperature range for this time of year.

These warm temperatures should last into Sunday or Monday, before a second low to our southwest moves in bringing a good chance of showers and thunderstorms. This low currently looks as if it will be a little slow moving, so we may see the clouds and showers sticking around until about Wednesday.

Looking ahead to the Labour Day long weekend, the weather models are currently leaning towards another repeat in the pattern, with high pressure building in, then moving quickly off to the east as low pressure develops to our west. This should mean a warm, sunny start to the long weekend and possibly a wet end.

Usual temperature range for this period: Highs:18 to 28 C Lows:6 to 14 C

About the author

Co-operator contributor

Daniel Bezte

Daniel Bezte is a teacher by profession with a BA (Hon.) in geography, specializing in climatology, from the U of W. He operates a computerized weather station near Birds Hill Park.



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