A storm in which freezing rain forms a layer of ice
ice storm
100
A tornado starts in this type of cloud.
A thunderhead
100
Any storm with a circular wind pattern is called a...
cyclone
100
scientist who study weather
meteorologists
200
the spark from the discharge of electricity that has built up in a thunderhead
lightning
200
When there's lots of snow...so much that you can barely see in front of you...what do we call this?
Whiteout
200
Tornadoes are not called tornadoes until this happens
the funnel touches the ground
200
where do hurricanes occur?
warm water
200
radar that tracks changes in speed and direction of winds
Doppler Radar
300
Static electricity is formed in the cloud when this happens
air particles rub up against one another
300
When the snow stops, but blizzard conditions continue, meteorologist call the storm what?
A ground blizzard
300
this gives a tornado its color
the dust and debris from the ground
300
A storm becomes a hurricane when wind speeds reach approximately what speed?
74 MPH / 119 KMH
300
Gather weather information from the upper atmosphere. Use radio transmitters to send information about air pressure, temperature and humidity back to a weather station
weather balloon
400
the cause of thunder
a burst of heat makes air expand violently
400
what two factors define a blizzard?
wind speed and visibility
400
What pulls the funnel to the ground
low pressure/cold air behind the thunderhead
400
the weather in the eye of a hurricane
calm / no rain / sometimes sunny
400
Take pictures of the atmosphere from space
weather satellites
500
a lightning bolt that goes from a cloud to the ground is called
a leaderstroke
500
In the US, winter storms/blizzards generally form when air masses from these two regions come in contact with one another.
Polar air mass from Canada and tropical air masses from the Gulf of Mexico
500
the scale used to measure tornadoes
Fujita scale
500
waves caused by a bulge of water in the ocean
Storm surge
500
Seasons and temperature are mostly affected by what?