chapter 20 test

Question 1

how do you describe air mass

Answer 1

the amount of humidity and temp.

Question 2

why is the Continental tropical arrow smalled than the other ones

Answer 2

because it does not move much

Question 3

name all air masses and characteristics.

Answer 3

maritime tropical-humid and warm
continental polar- dry and cold
maritime polar- humid and cold
continental tropical-dry and warm

Question 4

what air mass brings most of the rain to eastern central usa

Answer 4

maritime tropical

Question 5

where does maritime polar come from

Answer 5

Siberia. then it gains humidity when it passes the water .

Question 6

what is a noreaster

Answer 6

its basically a very big lake effect

Question 7

what is an Indian summer

Answer 7

it is when the cT becomes extra strong and extends up to us.

Question 8

what is a front

Answer 8

the boundary between two air masses

Question 9

when a warm air mass goes over a cold one what clouds form from highest to lowest

Answer 9

cirrostratus, altostratus and nimbostratus

Question 10

how fast does a cold front move compared to a warm front

Answer 10

2x as fast

Question 11

when cold front happens and they collide what type of clouds form

Answer 11

cumulonimbus

Question 12

how long are storms on warm and cold fronts

Answer 12

the storms on warm fronts are long and the storms on cold fronts are short

Question 13

what is a stationary front

Answer 13

when they collide and push w

Question 14

what is a occluded front describe the rain tooo

Answer 14

it is when two cold front are moving the same direction but but into each otehr and push up warm air.
at first there is heavy rain but then it is more light later.

Question 14

what happens during a mid latitude cyclones

Answer 14

its just a cyclone that goes through mid usa.

Question 15

describe the low and high cylone

Answer 15

the low cyclone goes counterclockwise and in and up out. then the air goes out and clockwise so they are together.

Question 16

what are the stages of thunderstorm

Answer 16

cumulus, mature stage, and dissipating stage.

Question 17

why does florid have so much storms

Answer 17

because of the air form maritime tropical and the gulf of mexico and the hot air rises.

Question 18

what is lightning

Answer 18

the light resulting from the electrons. positive are on the ground

Question 19

why is tornado alley in the plains

Answer 19

because of the warm humid ari coming from the south and the cold air coming from the north that mix in the area of tornado alley.

Question 19

what is a fulrgurite

Answer 19

sand struck by lightning. and it cooled so quickly that there was no time to form crystals.

Question 20

how to survive oustide during a storm

Answer 20

cover your head and get low

Question 21

where do tornadoes usually spawn

Answer 21

in a long line of thunderstorms. Squall line.

Question 22

what is the grayness in a tornado the cause of

Answer 22

water cooling to dew point and debris.

Question 23

what is a mesoclone. what is the tip of a thunderstorm called

Answer 23

the air starts to bounce around and go upright. the anvil

Question 24

what is a storm surge

Answer 24

its a dome of water that sweeps over the coast when the hurricanes eye comes over the land

Question 25

how does a hurricane develope

Answer 25

they are fueled by the energy given off when huge amounts of water vapor condense

Question 26

what is that one forecasting rhyme

Answer 26

read at nigh sailors take delight, red in the morning sailors take warning.