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Forecast – for Sep. 22, 2011

The freezing temperatures came as forecast last week and pretty much all regions of agricultural Manitoba saw at least a little bit of frost. So that part of the forecast was correct. Fortunately, the last part of last week s forecast doesn t look like it will pan out, as the forecast active weather pattern looks to be replaced by a large ridge of high pressure.

For several days the weather models have shown this ridge of high pressure building into the Prairies, beginning around midweek. By the weekend it looks like this ridge will be firmly established, bringing with it plenty of sunshine, along with very warm temperatures. In the words of our American forecasters, unseasonably warm temperatures will move over the northern Plains; expect plentiful sunshine and temperatures warming well above normal by next weekend. I couldn t say it better myself.

These sunny warm conditions look to continue into next week, with high temperatures coming in well above the usual temperature range for this time of the year. Overnight lows will also be mild, but with the low relative humidity, temperatures will likely fall into the 6 to 10 C range.

Looking further ahead, the weather models hold onto this pattern right through into early October. A large area of low pressure sitting off the coast of northern B.C. looks like it might finally make some inroads early in October, but that is a long way off and a lot of weather can happen between now and then. So enjoy the return of summer while it lasts!

Usual temperature range for this period: Highs:9 to 21 C. Lows:-2 to 8 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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