Fronts, Air Masses, Clouds, Etc.

Front 1

What is a front?

Back 1

an area where two air masses meet and do not mix.

Front 2

Cold Front

Back 2

forms when cold air moves underneath warm air. cloudy skies, and lots of vapor brings heavy rain or snowfall. after a cold front, clear skie and cooler temps

Front 3

Warm Front

Back 3

forms when warm air moves over cold air. if it is humid, showers and light rain fall. if dry, scattered clouds form. after it passes weather is warm and humid. and in winter it brings snow.

Front 4

Starionary Front

Back 4

forms when a war and cold air mass meet but neither can move the other. rain,snow, fog or clouds. if it remains, may bring clouds and precipitation.

Front 5

Occluded Front

Back 5

forms when a warm air mass is caught between two cool air masses and cut off from the ground. cloudy, rainy, or snow

Front 6

What are the three main types of clouds?

Back 6

Cumulus, stratus, and cirrus

Front 7

Cumulus Clouds

Back 7

look like fluffy, rounded piles of cotton. forms less than 2 kilometers of the ground. usually indicate fair weather. Cummulus = heap or mass

Front 8

Stratus Clouds

Back 8

form in flat layers. strato=spread out. usually cover all or most of sky. as they thicken, they may produce drizzle, rain, or snow. and they are then called nimbostratus

Front 9

Cirrus Clouds

Back 9

wispy, feathery, only form at high levels, above 6 kilo. where temps are very low. mostly made ofice crystals.

Front 10

Cumulonimbus Clouds

Back 10

Towering clouds with flat topes often produce thunderstorms also called thunderheads

Front 11

Cirostratus Clouds

Back 11

"A ring around the sun or moon brings rain or snow upon you soon"

Front 12

Air mass

Back 12

A huge body of air that has similar temperature, humidity, and air pressure throughout it

Front 13

What are the 2 main characteristics used to classify air masses?

Back 13

temperature and humidity

Front 14

Tropical Air Masses

Back 14

warm air masses form in the tropics and have low air pressure

Front 15

Polar air masses

Back 15

cold air masses form north of 50 degrees north latitude and south of 50 degrees south latitude. have high air pressure

Front 16

Maritime air masses

Back 16

form over oceans. water evaporated from the oceans, so the air can become very humid.

Front 17

Continenetal air masses

Back 17

form over land, in the middle of continents, and are dry

Front 18

4 major types of air masses

Back 18

Maritime tropical, Continental tropical, maritime polar, and continental polar

Front 19

Maritime Tropical

Back 19

warm, humid air. forms over oceans near the tropics. in winter they brin heave rain or snowfall

Front 20

Maritime Polar

Back 20

Cool humid, form over the icy cold North Pacific and North atlantic oceans. bring fog rain adn cool temps

Front 21

Continental Tropical

Back 21

hot dry air masses. only form in summer. bring hot dry weather.

Front 22

Continental Polar

Back 22

bring cool cold air. in winter, they bring clear,cold dry air.