Topic 7 Weather Earth Science Regents Review.

Front

What is the average number of thunderstorms that occur each year in Albany, New York?

Back

Approximately 25 thunderstorms.

Front

What is the dewpoint when the dry bulb temperature is 20°C and the relative humidity is 17%?

Back

– 5°C

Front

What is the general surface wind circulation associated with a high-pressure center?

Back

Clockwise and outward.

Front

What type of air mass originates mostly over Mexico?

Back

Continental tropical.

Front

How do you interpret a weather station model indicating winds from the southeast at 20 knots?

Back

Winds are coming from the southeast at a speed of 20 knots.

Front

Define 'dewpoint'.

Back

The temperature at which air becomes saturated with moisture and water vapor begins to condense.

Front

What is relative humidity?

Back

The amount of moisture in the air compared to the maximum amount of moisture the air can hold at that temperature.

Front

Explain the difference between high-pressure and low-pressure systems.

Back

High-pressure systems are associated with clear skies and calm weather, while low-pressure systems often bring clouds and precipitation.

Front

What is the significance of frontal boundaries in weather?

Back

Frontal boundaries are regions where two air masses meet, leading to changes in weather conditions.

Front

What does a clockwise wind direction indicate in a high-pressure system?

Back

It indicates that air is descending and spreading out from the center of the high-pressure area.