Forecast: Pattern expected to shift, but just slightly

Issued November 21, 2016 – Covering the period from November 23 to November 30, 2016

Reading Time: 2 minutes

Published: November 24, 2016

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This forecasted total snowfall map shows the predicted total snowfall, assuming a 10:1 snow-to-water ratio. Only the eastern parts of Manitoba are expected to see any significant snowfall before the end of the month.

Last week’s forecast was a little bit of a bust. The forecasted storm system did form as expected, but by last Wednesday, the weather models had come to an agreement on a much more southerly path and that is what ended up happening. As a result, no significant snow fell across southern or central Manitoba and this lack of snow cover, in turn, kept our temperatures from cooling off as much as forecast. So, while we did see a change in the overall weather pattern, it was not quite the change that was expected.

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For this forecast period I’m at a bit of a disadvantage as the weather models are showing a system moving through southern regions of Manitoba on Tuesday, possibly bringing some measurable snow. If this system does bring some snow, temperatures will be cooler than forecast.

Once this system moves by, the remainder of the week looks to be fairly quiet, as weak high pressure slides by to our north. Temperatures look to be mild with highs, depending on snow cover, expected to be right around 0 C and overnight lows in the -5 to -10 C range. Over the weekend the weather models show a couple of weak lows moving through. The first low will push through on Saturday bringing clouds and flurries. Accumulations look to be less than two cm from this system. The second system will quickly flow by on Sunday and it looks to be drier than the first one, with only scattered flurries expected.

The weather models then predict another Colorado low to develop early next week. Currently the models are keeping this system well to our south, but as usual with these kind of storm systems, we will need to keep an eye on it. Across our region, we should see a mix of sun and clouds along with mild temperatures as daytime highs and lows continue to run near the top end of the usual temperature range for this time of the year.

Usual temperature range for this period: Highs, -12 to +1 C; lows, -21 to -7 C.

About the author

Daniel Bezte

Daniel Bezte

Co-operator contributor

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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