Study Notes for 3-2 TEST

1• The type of weather associated with an

incoming _____ pressure system would be cloudy, chance of ______.

lowstorms

2• Warm, moist air that moves ________ over a

mountain range most likely form _______.upward

clouds

3• Precipitation that occurs when rain falls

through a layer of freezing air close to ground is known as _______.sleet

4• Winds in a _____ pressure system that form in

the Northern Hemisphere appear to rotate ________ clockwise when viewed from space.

low

counter

5• Weather __________ collect data over a very

broad area compared with surface weather instruments.

satellites

6• Weather map symbols H and L indicate air

_________ centers.pressure

7• Water will change to a ____ if enough energy

is _________ by liquid water.gas

absorbed

8• Air _______ move in the United States move

from _____ to east.masses

west

9• Severe thunderstorms form when a _____ air

mass comes in contact with warm, ______ air.cold

moist

10• ________ radar can provide the location,

_____, and motion of precipitation to weather forecasters.

Dopplertype

11• _______ of a thunderstorm include cumulus,

_______ and dissipating.Stagesmature

12• Weather centers all over the world _________

the data they collect with other ________.exchange

centers

13• Storms along a ______ front produce

precipitation over a _____ area, and are sometimes violent.

warmlarge

14• The type of air mass that forms in an area

depends on the ________ where it forms.location

15• An instrument that measures relative humidity

with two identical thermometers is a _________________.psychrometer.

16• Meteorologists use _________ models to help

them make forecasts from data they have input into computers.

computer

17• If the barometer reading _____, a good

hypothesis would be that a ______ is coming.falls

storm

18• An instrument used to measure air pressure is

a __________.barometer

19• A warm front occurs when warm air moves

into ____ air. cold

20• If you collect data for air temperature,

humidity and air ________, you are measuring ________.

pressureweather

21• __________ begin when warm, moist air rises

and the moisture condenses, releasing energy in the form of ______ heat.

Hurricanes

latent

22• When an air mass moves rapidly ________

temperatures fall and water ______ condenses.

upwardvapor

23• Clouds that often bring thunderstorms are

_____________.cumulonimbus

24• Doppler ______ can save lives by warning

people of an approaching ______.radar

storm

25• States in the mid-central United States are

more likely to have _________ because the cold dry air from Canada contacts warm, _____ air from the Gulf of Mexico.

tornados

moist

26• A ________ will follow a __________ path if it

touches down.tornado haphazard

27• A cold front forms when a cold air mass

overtakes a ______ air mass and lifts the warm air mass off the _______.

warmground

28• Scientists use _______ and symbols to convey

information on a weather _____.colors

map

29• A cloud whose name has the prefix ______- or

the suffix –nimbus is ____-producing.nimbo

rain

30• Doppler radar measures ___________ by

bouncing radio _______ off rain or snow.precipitation

waves

31• Oceans have slow temperature ________

which stabilize the temperatures of air masses that form over them and cause towns near an ocean often to be ________ in winter and cooler in summer than towns at the same latitude but located ______.

changes

warmer

inland

32• Triangular shaped symbols colored _____ on a

weather map point the direction a _____ air mass is moving.

bluecold

33• Hurricanes develop over _______ because

oceans add water ______ and energy to the air mass.

oceansvapor

34• When ___ pressure goes up temperature will

usually go ______.air

down

35• A low pressure system forms when warm air

_____.rises

36• An ___________ forms as the air sinks and

flows outward from a center of ____ pressure which brings dry weather.

anticyclonehigh

The End