Air Masses and Predicting Weather Changes

When warm air moves over cold air, a warm front forms. The warm air tends to rise along a gentle slope above the cold air and form layers of clouds.

Given this information, which of the following cloud types and weather conditions would most likely result from an incoming warm front?

• cumulonimbus clouds and thunderstorms

• cumulus clouds and clear weather

• stratus clouds and drizzly rain

• isolated cirrus clouds and clear weather

Tags

NGSS.MS-ESS2-5

Which of the following statements is true about fronts?

• When warm and cold air masses meet, the larger mass always slopes upwards over the smaller mass.

• The boundary between warm and cold air masses always slopes downwards over the warm air.

• The boundary between warm and cold air masses always slopes upwards over the cold air.

• When warm and cold air masses meet, the masses combine, resulting in one air mass with a uniform temperature throughout.

Tags

NGSS.MS-ESS2-5

Which of the following occurs when a cool air mass meets and replaces a warm air mass?

• occluded front

• warm front

• cold front

• stationary front

Tags

NGSS.MS-ESS2-5

A weather map of the United States is shown above.

What type of weather will Salem most likely experience as the approaching front passes over?

• heavy snow

• dry and hot

• light rain

• icy and clear

Tags

NGSS.MS-ESS2-5

Which of the following is most likely to occur soon after a cloud like the one shown above develops?

• hot, dry weather

• cold, dry weather

• a hurricane

• a thunderstorm

Tags

NGSS.MS-ESS2-5

A _______ shows data from many sources and contains a variety of symbols that demonstrate atmospheric conditions.

• barometer

• weather balloon

• weather radar

• weather map

The weather map above shows a high pressure zone in the western U.S., centered just east of California and over the state of Nevada.

• humid with overcast skies

• a hurricane

• dry with clear skies

• tornadoes

Tags

NGSS.MS-ESS2-5

The average monthly rainfall during the summer months in Boulder, Colorado and in Madison, Wisconsin are shown in the graph above.

Which of the following conclusions could be made from this data?

• Madison's summer climate is drier than Boulder's.

• It is hotter in Madison than in Boulder during the summer.

• Madison's summer climate is wetter than Boulder's.

• It is hotter in Madison than in Boulder during the winter.

The average monthly temperatures in Lima, Peru are graphed above.

Which of the following conclusions could be made from this data?

• It tends to be warmer in July than in December.

• It tends to rain more in February than in August.

• It tends to be warmer in February than in August.

• It tends to rain more in July than in December.

What type of weather is a warm front most likely to produce?

• strong winds

• light rain

• thunderstorms

• clear skies

Tags

NGSS.MS-ESS2-5