Issued: Monday, December 15, 2008 Covering: December 17 –December 25

The weather page is prepared by Daniel Bezte. Dan has a BA Honours degree in geography, specializing in climatology, from the U of W. He has taught climate and weather classes at the U of W, and is a guest climate expert on CJOB’s morning show with Larry Updike. Daniel runs a computerized weather station on his 10 acres near Birds Hill Park, which he plans to develop into a small vegetable and fruit hobby farm.

Daniel welcomes questions and comments at [email protected]

Last week’s forecast unfolded pretty much as expected, with the only big change being that Wednesday’s system was stronger than expected and Friday’s system was weaker. Arctic high pressure moved in over the weekend as predicted and kept the blizzard south of the border, at least for the most part.

This ridge of arctic high pressure and the associated cold temperatures will be the dominant factor for the next couple of weeks. While the models have been flip-flopping a little bit over the last week, they seem to be settling down and are leaning toward a sustained cold snap over much of Western and Central Canada along with the northern states.

With arctic high pressure in place, the main storm track will be pushed to our south. It looks like a strong storm will form along this storm track late this week and push to the northeast. This low should stay well to our south, but as usual with these systems, we have to keep a wary eye on it.

Once this system pushes by, it looks like the arctic air currently in place will get reinforced as another large area of high pressure builds southward. Mostly clear skies along with cold temperatures look to be the rule for much of next week. In fact, the models are showing the cold temperatures will last right through Christmas, with no signs of any significant warm-up until almost New Year’s.

Usual temperature range for this period:

Highs: -20 to -3C.

Lows: -31 to -13C.

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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