Tornadoes
Which atmospheric condition mus first be present in order for a tornado to form?
A large amount of warm moist air near the ground
A karge body of air that has similar temperature and moisture is called an _______ ________.
Air mass
When warm and cold air masses meet they form a boundary called a __________.
Front
What season are thunderstorms most common?
Spring and Summer
The study of the Earth's atmosphere.
Meteorology
What shape does a tornado take?
Funnel shaped
What type of air mass would you expect to find over the North Pole?
Continental Arctic
Droughts occur any time an area lacks sufficient ______ to allow for the survival of plants, animals, and humans.
Rain
True or false-Precipitation first occurs in the dissipating stage of thunderstorm formation?
False- Mature Stage
Where do hurricanes form?
Over water
A tornado is called a ________ ________ as it forms in the sky and stretches towards the ground. It is only called a tornado when it makes contact with the ground.
Funnel Cloud
Air masses can form over a continent, water, and either _____ or ________ regions.
Polar or Tropical
What tool can measure atmospheric pressure or air pressure?
Barometer
A current of air flowing downward?
Downdraft
_______ can occur when a warm air mass and a cold air mass collide during the winter.
Blizzards
Tornadoes are rated on a scale of F1-F5 with _____ being the smallest and _____ being the largest.
F1 is the smaller and F5 is the largest.
This type of air mass bring warmer moist air into the region.
What is maritime tropical?
Any form of water falling from clouds to Earth is ________.
Precipitation
What are the 3 stages of a thunderstorm?
1. Cumulus Stage
2. Mature Stage
3. Dissipating stage
Winds must be at least _______ mph for a storm to be categorized as a blizzard.
35 mph
_________ are columns of violent, swirling wind that usually form along the edge of a front.
Tornadoes
When an air mass forms over a warm, dry region such as the southwestern United States, it brings _______ and ______ weather in the summer.
Hot and Dry
Doppler Radars send ______ _______ into the atmosphere.
Radio Waves
Thunderstorms need what kind of air to form?
Damp moving air.
What does and anemometer measure?
Wind speed