A funnel cloud all by itself is not considered a tornado.

Severe summer weather: tornadoes

Funnel clouds are usually weak, short-lived and rarely strong enough to touch down

For most people, the word tornado brings feelings of awe and even a little fear. Unless you have already witnessed a tornado first-hand, many who are interested in weather secretly wish they could safely experience its awesome beauty and power. Worldwide, Canada is second only to the United States in the number of tornadoes occurring

Instability and vorticity: The ingredients that make a tornado

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

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


Severe thunderstorms and tornadoes

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

Starting to understand tornadoes

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 rotating column of air that extends from a thunderstorm to the ground, which may or may not be visible as a funnel

Storm Warning

MOVE FAST:Tornadoes like this one can travel in excess of speeds of 100 km per hour. Altona residents knew why a siren in town wailed for four minutes straight on a calm mid-afternoon May 18. It was a test of their community emergency warning siren, a specially installed system to alert residents in case of


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

Time To Think About Severe Weather

Last issue we began our look into severe weather and ended our discussion by introducing tornadoes. Over the last week there have been several outbreaks of severe weather over central and eastern parts of the U.S., with dozens of tornadoes reported and nearly 50 people killed. While this is still well to our south, it

Awesome Thunderstorms

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


Rain, Snow, Tornadoes

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