Water Vapor
Water vapor that changes directly to ice on a surface is called?
frost
layered balls of ice that form in strong thunderstorms
hail
What is the boundary between two air masses of different temperatures?
front
The study of weather is called?
meteorology
A brownish haze with harmful substances
smog
The process of a gas becoming a liquid is?
condensation
ice crystals that have remained frozen
snow
What type of air mass forms over the Caribbean Sea?
maritime tropical
The state of the atmosphere at a certain time and place is the?
weather
What is a cloud that has a low-level base and a top composed of ice crystals?
cumulonimbus
Water vapor whose temperature has dropped below the freezing point is said to be?
supercooled
Falling water drops less than 0.5 mm in diameter
drizzle
What type of air mass is cold and dry?
continental polar
The usual state of the atmosphere in a given place is the?
climate
What are billowy, low-level clouds with flat bases?
cumulus
What is the air called when evaporation & condensation happen at the same rate?
saturated
raindrops froze into tiny ice pellets
sleet
Two unmoving air masses of different temperatures form what kind of front?
stationary
Heat energy, uneven heat distribution, and what else are major factors in weather formation?
water vapor
What process is usually responsible for cloud formation?
adiabatic cooling
What term refers to the temperature at which cooling air begins condensing?
dew point
What type of drought occurs when less rain than normal occurs but the effects on groundwater, crops, and people's use of water are minimal?
meteorological
From what does a frontal cyclone draw its energy?
warm air mass
The process in which plants release water into the atmosphere
transpiration
Type of fog that forms when air near the ground cools rapidly on a clear night?
radiation