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Tag Archives Atmospheric convection

Instability and vorticity: The ingredients that make a tornado
Weather

Instability and vorticity: The ingredients that make a tornado

Since they can’t get inside to measure, scientists aren’t completely sure how funnel clouds and tornadoes form

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So far this month weather conditions have been fairly good for thunderstorms to develop with plenty of warm, humid air around. This week, we’ll continue our look at severe thunderstorms, and specifically, the most deadly part — tornadoes. What are tornadoes and how do they form? A classic definition of a tornado is a violently
News, Weather

Severe thunderstorms and tornadoes

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Since they can’t actually get inside to measure it, scientists aren’t completely sure what causes a tornado

We’ve seen a few thunderstorms over southern and central Manitoba so far this July, but most have not been very severe. That said, over the weekend, southwestern Manitoba had a tornado watch in effect and that reminded me that we need to finish our look at severe thunderstorms and in particular, tornadoes. The biggest question
Weather

Thunderstorms and hail

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I find it kind of interesting, and maybe a little weird, that in the last issue I indicated that this issue would be about thunderstorms and hail, and then during the last week areas around Winnipeg experienced thunderstorms with hail — I even had some at my place. I think this week I should end
Weather

The Beauty And Power Of Thunderstorms

So far this year in Manitoba we haven’t had the warm temperatures needed for thunderstorms, never mind severe thunderstorms with tornadoes. Farther south there have been some killer tornadoes over the central and southern U.S. This week we’ll continue our look at tornadoes and severe summer weather, but instead of me rambling on and giving
Weather

Issued: Monday, May 24, 2010 Covering: May 26 –June 2

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The blocking ridge of high pressure that brought sunny skies and warm temperatures last week has moved to the east and a large trough of low pressure has taken its place over our region. With high pressure to our east and low pressure to our west, the general flow of the atmosphere over our region
Weather

Awesome Thunderstorms

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The Weather Vane is prepared by Daniel Bezte, a teacher by profession with a BA (Hon.) in geography, specializing in climatology, from the University of Winnipeg. Daniel has taught university-level classes in climate and weather and currently operates a computerized weather station at his home near Birds Hill Park, on 10 acres he plans to
Weather

Thunderstorms — Putting It All Together

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As we have an early deadline this week due to Canada Day, I won’t be able to do the monthly review and the look ahead at what July might have in store for us until next week. I know you are all disappointed about this, but there is nothing I can do about it –
News

Monitoring Bin Temperature And Aerating Grain

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It is important to monitor grain temperature and to keep stored grain cool and dry by regularly aerating it through mechanical aeration or by turning it. Moisture and warm temperatures allow the growth of moulds and the development of an environment that is suitable for insects. If warm grain is placed into storage and left
Weather

Cooking Up Thunderstorms With Mother Nature

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Well, it seems like it’s finally thunderstorm season, so I think we should take advantage of this fact and take a look at the topic of thunderstorms. Each year I touch on this topic, because, well, it’s one of the most important weather topics of which to have an understanding during the summer on the

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