| Term | Definition |
|
hail |
Ice pellets called ____ add layers of ice as they are carried up and down in a cumulonimbus cloud. |
|
meteorologists |
Scientists who study the causes of weather and try to predict it are called _____. |
|
air mass |
A broad area of air with about the same temperature and humididty throughout is an _____. |
|
precipitation |
When water droplets form around dust particles and become heavy enough to fall from the clouds, we have ____. |
|
more |
As the temperture of air goes up, the air can hold ____ water vapor. |
|
saturated |
When air holds all the water vapor it possibly can, we say that it is ____. |
|
isotherm |
An ______ connects points of equal temperature with a line. |
|
isobars |
On a station model, lines drawn to show areas of equal barometric pressure are called _____. |
|
snow |
_____ forms when water vapor is converted directly into ice crystals. |
|
warm |
Cirrus clouds indicate the coming of a _____ front. |
|
cirrus |
wispy cloud, forms above 6000 meters |
|
stratus |
forms below 2000 meters, flat, layered |
|
cirrocumulus |
high, puffy cloud that looks like cauliflower |
|
nimbostratus |
low clouds that bring long, steady rain |
|
altostratus |
middle clouds in layers |
|
cumulonimbus |
huge, towering clouds with thunderstorms |
|
troposphere |
The layer of the atmosphere nearest to Earth's surface. |
|
doldrums |
windless zones near the equator |
|
ionosphere |
electrically-charged particles are found primarily in the _____. |
|
prevailing westerlies |
are responsible for the movement of much of the weather across the United States. |