A woman named Theresa Birgin Lucas captured an impressive weather phenomenon that left internet users stunned. The images ...

tube-shaped accessory cloud completely detached from the thunderstorm base. It is located along the gust front and most frequently on the leading edge of a line of thunderstorms. Roll clouds are ...

They can form anywhere in Canada and often, but not always, follow after a thunderstorm. It falls in line with the hypothesis that asperita clouds form due to the instability and convection in the ...