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Tag Archives Atmospheric sciences

Weather

Issued: Monday, May 4, 2009 Covering: May 6 –May 13

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The weather for this forecast period is not looking that great, but it is not looking that bad either. For most of this forecast period we are going to be dealing with weak weather. That is, there will not be any strong areas of low or high pressure around to dominate the weather. For the
Weather

Oscillations And Acronyms

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In our last weather school lesson we took a look at Rossby Waves. You know, the long-term wave patterns that slowly undulate across our part of the world bringing with them much of our ever-changing weather. Yes, I did say much of our weather, as everything can’t be blamed or explained by just looking at
Weather

Rossby Waves

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Last time in weather school we started to examine why our particular part of the world has such changeable weather. We looked at general global circulation patterns and then examined the zone where westerly winds bump up against easterly moving polar winds, creating giant eddies of swirling air. This week we are going to continue
Weather

2009 Continues To Be Cold

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I know I’m a little bit late with our April weather outlook, but sometimes the timing of the forecasts and my deadlines just don’t work out – better late than never! Before we dive into the weather outlook for April and the rest of spring, we need to take our usual look back at last
Weather

Issued: Monday, April 6, 2009 Covering: April 8 –April 15

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The active weather pattern of late has meant that several storm systems have developed over the southwestern part of North America and then travelled to the northeast. The net result of all of this has been that we have been stuck in a cool/cold north-to-northeasterly flow, which has kept our temperatures well below average. It
Weather

A Textbook Of A “Textbook Storm”

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It was a dark and stormy night – wait, that’s not it. It was a dark and stormy day – that’s more like it! It might seem like an old-fashioned start to a story, but that pretty much sums up the last week of weather across much of agricultural Manitoba. It is interesting that just
Weather

Issued: Monday, March 30, 2009 Covering: April 1 –April 8

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Well, believe it or not, spring will come, but it now looks as if it will move in slowly rather than bursting forth. The overall weather pattern over North America looks like it will remain fairly active over the next couple of weeks, as a long-wave trough of low pressure dominates. Fortunately for us, it
News

Four Degrees Either Way Is A Big Deal, Says Expert

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Climate change skeptics like to point out that if the weatherman can’t predict the weather with much accuracy, how can scientists be sure that global warming is actually happening? The answer is that putting together a weather forecast involves many often conflicting short-term variables. Analyzing climate trends over the long term is much easier, because
Weather

Conflicting Areas Of Wind

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At the end of our last weather school article I hoped that we would see an early strengthening of the subtropical high which would then hopefully bring a warm and early start to spring. Instead we saw what our part of the world is famous for, big intense areas of low pressure. This week in

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