WEATHER STUFF Flashcards

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1
Q

CIRRUS CLOUD

A

a kind of wispy white cloud found at high altitudes

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2
Q

FRONT

A

a zone formed when a cold air mass and a warm air mass meet

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3
Q

CORIOLIS EFFECT

A

the effect of earth’s rotation on the paths of winds around the globe

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4
Q

INVERSION

A

when air temperature increases with elevation

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5
Q

NIMBOSTRATUS CLOUDS

A

dark gray clouds that usually form below 8,000 feet and produce rain or snow

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6
Q

SQUALL

A

a narrow zone of cumulonimbus clouds that develops along a front, producing violent weather

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7
Q

WIND

A

a flow of air caused by the uneven heating of earth’s surface

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8
Q

SURGE

A

the movement of large air masses of different temperatures within a cloud formation

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9
Q

STRATUS CLOUDS

A

clouds that appear as layers of sheets

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10
Q

CYCLIC FLOW

A

the circular flow of air produced by the Coriolis effect

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11
Q

true or false. AT ANY MOMENT THERE ARE APPROXIMATELY 2000 THUNDERSTORMS ON THE PLANET

A

true

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12
Q

true or false. A LACK OF CLOUD COVER IS ONE OF THE REASONS THE DESERT COOLS SO RAPIDLY AT NIGHT

A

true

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13
Q

true or false. THE CYCLIC FLOW OF AIR CAUSED BY THE CORIOLIS EFFECT CAN LEAD TO A TORNADO

A

false

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14
Q

true or false. THE STRONGER THE VERTICAL MOVEMENT OF AIR, THE HIGHER CUMULUS CLOUDS WILL RISE

A

true

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15
Q

true or false. SOLAR ENERGY IS AT ITS PEAK IN THE NORTHERN HEMISPHERE DURING THE WINTER MONTHS.

A

false

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16
Q

true or false. THUNDERSTORMS USUALLY OCCUR DURING THE AFTERNOON BECAUSE IT TAKES ALL DAY TO CREATE ENOUGH HEAT ENERGY TO POWER THE VERTICAL FLOW OF AIR NECESSARY TO CREATE THEM.

A

true

17
Q

true or false. MOST TORNADOES ONLY LAST BETWEEN 2 AND 4 HOURS

A

false

18
Q

true or false. THE MOST COMMON PLACE FOR TORNADOES ON THE PLANET IS THE MISSISSIPPI VALLEY AND THE GREAT PLAINS OF THE UNITED STATES.

A

true

19
Q

true or false. THE ENTIRE UNITED STATES CAN BE COVERED BY ONLY TWO OR THREE AIR MASSES.

A

true

20
Q

true or false. AS A COLD FRONT PASSES, WINDS DECREASE AND TEMPERATURES RISE BRIEFLY.

A

false

21
Q

WATER DROPLETS OR ICE CRYSTALS THAT FALL TO EARTH ARE CALLED __________.

A

precipitation

22
Q

THE FORCE PRODUCED BY THE WEIGHT OF AIR PRESSING DOWN ON THE EARTH IS KNOWN AS _________.

A

air pressure

23
Q

A _______ IS THE SMALLEST AND MOST DESTRUCTIVE TYPE OF VIOLENT STORM.

A

tornado

24
Q

THE AMOUNT OF WATER VAPOR OR MOISTURE IN THE AIR IS CALLED ________.

A

humidity

25
Q

A LOW PRESSURE AREA OF AN AIR MASS IS CALLED A _________.

A

trough

26
Q

A _______ MEASURES AIR PRESSURE

A

barometer

27
Q

NORTHEAST AND SOUTHEAST WINDS ARE OFTEN CALLED _______.

A

trade winds

28
Q

PLACING A THERMOMETER IN THE DIRECT SUN GIVES A FALSELY HIGH READING BECAUSE THE SUN HEATS THE _______ MORE THAN IT HEATS THE AIR AROUND IT.

A

mercury

29
Q

ALL WEATHER PHENOMENA RESULT FROM THE ____ IN THE ATMOSPHERE. THE ___ IS THE POWER SOURCE BEHIND THE MOTION OF THE EARTH’S ATMOSPHERE. ____ ARE CREATED AS COLD, HEAVY AIR DISPLACES WARMER LIGHTER AIR. DUE TO THE CORIOLIS EFFECT, WINDS IN THE NORTHERN HEMISPHERE ROTATE ___ AND WINDS IN THE SOUTHERN HEMISPHERE ROTATE ___. THE TYPES OF ___ FORMED CAN PROVIDE AN INDICATION OF WHAT KIND OF WEATHER WILL RESULT. ____ CAN BE BIG ENOUGH TO COVER HALF A CONTINENT, WHILE _____ ARE MUCH SMALLER, AND MORE LOCALIZED PHENOMENA. HURRICANES START OVER OPEN WATER NEAR _____ BETWEEN THE MONTHS OF JULY AND NOVEMBER, WHEN THE HEAT ENERGY IN THE AREA IS AT ITS HIGHEST. THE ENERGY SOURCE OF A HURRICANE IS _____.

A
flow of air
sun
winds
counter-clockwise
clockwise
clouds
air masses
thunderstorms
the equator
warm, moist ocean air