Thunderstorms, Hurricanes, Tornadoes
What is a hurricane?
a hurricane is a huge tropical storm. It can be up to 600 miles across and have strong winds spiraling inward and upward at speeds 75-200 mph
What is a thunderstorm?
a thunderstorm is a small storm with heavy precipitation. Usually lightning and thunder.
What is a tornado?
a tornado is a violent rotating column of air extending from a thunderstorm to the ground
How does a tornado form?
cold and warm air mass meet, create instability in the atmosphere. change in wind direction creates horizontal spinning. rising updrafts 2-6 miles through storm
What does a thunderstorm need?
earths surface is warm and moist Unstable atmosphere.
How does a hurricane form
tropical wave tropical disturbance tropical cyclone tropical depression tropical Storm hurricane
How does a thunderstorm form?
warm air is forced upward along a cold front. Cumulonimbus clouds
What does a tornado need?
warm moist air from the gulf of Mexico cold dry air from Canada Change in wind direction thunderstorms updrafts and downdrafts.
What does a hurricane need?
warm ocean winds coming together force air upward winds flow outward above the storm, allowing air below to rise humid air rising light winds outside the hurricane
