faster moving
fast moving
There is a wide variety of conditions that can cause this: A pool of cold air, supercell thundestorms, bow echoes etc.
Severe weather is most likely to occur along a cold front.
Increasing air pressure generally means more clear skies and little precipitation.
Cumulonimbus
No.Dust devils, for example are a type of small, rotating windstorm but are not considered a form of severe weather.Any storm that produces one ore more f the following can be considered severe:Winds in excess of 58 mphHail to 0.75 inches or largerTornadoes.
That is known as a multi-level or deep convective cloud system. It is capable of producing severe weather such as thunderstorms, hail, strong winds, and even tornadoes due to its great vertical extent and vigorous updrafts.
Tornadoes have the greatest wind speeds among severe weather events, often exceeding 200 mph (321 km/h) or more.
The severe weather decreases the population because it can destroy houses and much more damaging things. Whenever people hear about storms like these, people want to leave to be safe.
To be perfectly honest there are multiple reasons, if you are a pilot you will find that during flight planning as well as during flight knowing the weather around you and en route is critical. Flying into severe turbulence, severe icing, or severe thunderstorm activity can be potentially catastrophic. I can't put a very specific answer to your question because it is very broad.
Severe weather can happen at any time of year, but different types of severe weather are more common during specific seasons. For example, tornadoes are most common in the spring and summer, while blizzards and ice storms are more likely to occur in the winter. It's important to stay prepared for severe weather year-round.
No, tornadoes are the deadliest type of severe weather in the United States.