Cloud Formation
What 2 conditions are required for cloud formation?
1) cool temperatures
2) presence of particles
Clouds that form very near to the ground are called
True/False:
Sleet falls from clouds as ice particles
False- falls as raindrops
True or False
Rain gauges can be used to measure precipitation
True
What is dew point?
the temperature at which condensation begins.
Clouds that look like fluffy, rounded piles of cotton are ______ clouds.
cumulus.
A(n) ________ forms when water vapor in a cloud is converted directly to ice crystals.
snowflake
True or False:
Rain that freezes on a cold surface is freezing rain.
True
Cold air holds more water vapor than cool air.
False:
Cold air holds less water vapor than cool air.
What type of cloud indicates that a storm is on its way?
a. stratus
b. nimbostratus
c. cirrocumulus
d. cirrus
c. cirrocumulus
Drops of drizzle are smaller than drops of mist.
false- larger
Hail falls from clouds as rain.
False- falls as ice pellets.
What are clouds made of?
Droplets of liquid water or ice crystals.
fair weather
How many types of freezing precipitation are there?
4
A ______ is an open-ended tube used for collecting and measuring rain.
rain gauge
Clouds are formed by the process of
condensation
Cumulonimbus clouds usually result in
thunderstorms
______ is a round pellet of ice that forms in cumulonimbus clouds.
hail
On average, _____ centimeters of snow contains about the same amount of water as 1 centimeter of rain
10 cms