Show:
Water in the Air
Air Masses & Fronts
Severe Weather
Forecasting the Weather
This and That
100
The type of precipitation that starts as rain and freezes in the air.
What is sleet?
100
The kind of front that forms when warm air moves over cold air and replaces it.
What is a warm front?
100
This causes changes in weather.
What is "air masses move and meet"?
100
This instrument carries electronic equipment that can measure weather conditions as high as 30 km above Earth's surface.
What is a weather balloon?
100
During this kind of weather it is safest to stay low to the ground
What are thunderstorms? or tornadoes?
200
The part of the water cycle that carries water from precipitation into oceans
What is runoff?
200
The kind of front that brings cool temps and lots of precipitation.
What is an occluded front?
200
These are the most powerful storms on Earth.
What are hurricanes?
200
This instrument measures air pressure.
What is a barometer?
200
This kind of severe weather begins with thunderstorms over the ocean
What is a hurricane?
300
This occurs when air temperature falls below its dew point. (It's also the reason why you should use coasters under cold drinks.)
What is condensation
300
This type of air mass spirals out toward low pressure areas.
What is an anticyclone?
300
Finding a high place to wait is a safety measure during this.
What is a flash flood?
300
Wind direction can be measured using a _______________.
What is a windsock or wind vane?
300
This is the most dangerous part of a tornado.
What are strong, spinning winds?
400
Air’s ability to hold water vapor decreases when ____________ decreases.
What is temperature?
400
The name for a warm humid air mass.
What is maritime tropical?
400
This kind of weather happens in cumulonimbus clouds when the atmosphere is unstable.
What are thunder and lightning?
400
Why would a meteorologist compare a new weather map with one that is 24 hours old?
To find how fast a front is moving
400
A maritime polar air mass that forms over the North Pacific Ocean brings what kind of weather to the Pacific Coast?
cold and wet
500
The prefix alto is used to describe what?
Middle clouds
500
Many days of cloudy, wet weather are brought in by this kind of front.
What is a stationary front?
500
Describe the eye of a hurricane
What is calm, warm air, low pressure, light winds?
500
This technology is used by meteorologists to track precipitation and tornados.
What is Doppler radar?
500
The amount of water vapor in the air compared with the maximum amount of water vapor the air can hold at a certain temperature.
What is relative humidity?