Meteorology

__________ is used to measure the speed of raindrops toward or away from a specific point.

• radiosonde

• ceilometer

• ASOS

• Doppler radar

A __________ is a narrow region that separates two air masses of different densities.

• disturbance

• jet stream

• trade wind

• front

A forecast that involves comparing current weather patterns to past weather patterns is called __________.

• a digital forecast

• an analog forecast

• a station model

• an isobar

A forecast that relies on numerical data is called __________.

• an analog forecast

• a station model

• an isopleth

• a digital forecast

High-pressure systems usually are associated with __________ and low-pressure systems are associated with __________.

• fair weather, clouds, and precipitation

• fair weather, fair weather

• clouds and precipitation, fair weather

• the jet stream, fronts

In __________, warm air displaces cold air and it develops a gradual frontal slope.

• an occluded front

• a stationary front

• a cold front

• a warm front

Long-term variations in weather for a particular area make up the __________ of an area.

• climate

• stability

• weather

• meteorology

The exchange of heat or moisture between an air mass and the underlying surface is called __________.

• air mass modification

• air mass weather

• air mass convection

• climate

What are four- to seven-day forecasts based on?

• patterns and cycles

• current weather

• circulation patterns of the troposphere

• observation of cloud and precipitation movement

What causes the Coriolis effect?

• seasons

• Earth's rotation

• the prevailing westerlies

• Earth's tilted axis