Frontal thunderstorms form when a cold airmass forces a warm, moist airmass above it. This violent lifting motion can develop into significant vertical movement, resulting in a thunderstorm. Layers of precipitation and hail form high in the cloud, and eventually fall to the ground as they cool....
How many thunderstorms are there? Worldwide, there are an estimated 16 million thunderstorms each year, and at any given moment, there are roughly 2,000 thunderstorms in progress. There are about 100,000 thunderstorms each year in the U.S. alone. About 10% of these reach severe levels. ...
These are called cumulonimbus clouds, sometimes nicknamed "thunderheads." They can actually form any time of day when the temperature falls rapidly higher up in the sky. These tall dark clouds are full of moisture and contain strong up and down air currents. Cumulonimbus clouds may tower more ...
Do you know how lightning and thunder are formed?And why is the sound of thunder so loud?2. B And thunder is the sound made by lightning. Like other clouds, thunderclouds are made up of tiny water droplets(小滴). These clouds are found high up in the sky. It's so cold there that...
Thunderstorms get their name from the lightning and thunder they make. Lightning is very hot. It heats the air to cause thunder. The hot air expands very quickly, which creates shock waves. When the wave reaches your ears, you hear it as thunder. You can tell how far away the lightning...
The chapter also describes how you can use radar and suggests some do's anddon'ts of thunderstorm flying.WHERE AND WHEN?In some tropical regions, thunderstorms occur year round. In mid latitudes, theydevelop most frequently in spring, summer, and fall. Arctic regions occasionallyexperience ...
Reading comprehension- see if you understand how thunderstorms form and the stages of their development Knowledge application- use your knowledge of thunderstorms to pick out some effects of these storms from our multiple choice questions Additional Learning ...
Now that we have discussed what thunderstorms are and how they actually form, let’s address the question we posed at the beginning of this article. Why Does It Seem Like Thunderstorms Occur Later In The Day? Although thunderstorms can (and do) occur at all hours of the day, it’s true...
You need to know only one thing about thunderstorms. They’re lethal. Stay away, Thunderstorms can readily strike planes and people from the air. However, many characteristics of thunderstorms, specifically, how they breed and evolve, can help you to evade them and their hazards. ...
Lift-fronts, sea breezes and mountains are capable of lifting air to help form thunderstorms. Thunderstorms are most likely to occur in the spring and summer months and during the afternoon and evening hours, but they can occur year-round and at all hours of the day or night. Thunder and ...