Weather

Question 1

pressure created by the weight of the air above an area

Answer 1

atmospheric (air) pressure

Question 2

1 square inch column of air measured from sea level to the top of the atmosphere weighs approximately

Answer 2

14.7 pounds

Question 3

this tool measures air pressure

Answer 3

barometer

Question 4

As air cools it becomes more dense and sinks toward the Earth spinning clockwise, this creates

Answer 4

high pressure

Question 5

as air warms, it becomes less dense and rises above the Earth spinning counterclockwise, this creates

Answer 5

low pressure

Question 6

Happy weather, clear sunny skies, calm winds, cool dry air

Answer 6

High pressure

Question 7

Lousy weather, cloudy stormy skies, warm moist air

Answer 7

low pressure

Question 8

a line connecting two points of equal atmospheric pressure, measured in mb (millibars)

Answer 8

isobars

Question 9

Tornadoes and Hurricanes are associated with ________ pressure

Answer 9

Low

Question 10

a large body of air that has relatively uniform temperature and humidity and

Answer 10

air mass

Question 11

an air mass that originates over land

Answer 11

continental

Question 12

an air mass that originates over water

Answer 12

maritime

Question 13

cold air masses tend to approach from

Answer 13

North, Northwest or West

Question 14

warm air masses tend to approach from

Answer 14

South, Southeast or East

Question 15

Cooler air masses that are more dense tend to flow toward areas that are less dense, warm and moist

Answer 15

high pressure moves to low pressure

Question 16

The symbol for a cold front

Answer 16

blue triangles pointed in the direction of the frontal movement

Question 17

The symbol for a warm front

Answer 17

red humps on a line pointed in the direction of the frontal movement

Question 18

the symbol for a stationary front

Answer 18

Alternating blue triangles and red humps on a line

Question 19

the symbol for an occluded front

Answer 19

purple triangles and humps on a line

Question 20

a cold air mass in replacing a warm air mass. The air behind the front is colder and drier, pressure increases. Showers and thunderstorms form along the leading edge of the front

Answer 20

cold front

Question 21

A warm air mass is replacing a cold air mass. The air behind the front is warm and moist, the pressure goes down. Widespread continuous precipitation occurs along and ahead of the front

Answer 21

warm front

Question 22

A boundary between two different air masses neither of which is strong enough to replace the other. Light rain over several days

Answer 22

Stationary Front

Question 23

Two cold air masses converge on a warm air mass. Occurs when a fast moving cold front overtakes a warm front pushing it up and over cold air. Thundershowers form along the front. After the passage of the front the sky is clear and dry

Answer 23

Occluded Front

Question 24

A front that approaches from the east or northeast. Cooler maritime air moves in and replaces warmer continental air

Answer 24

Back door cold front

Question 25

instrument that measures wind speed

Answer 25

anemometer

Question 26

instrument that measures temperature

Answer 26

thermometer

Question 27

carries instruments to high altitudes to measure pressure, temperature, humidity, and wind speed

Answer 27

weather balloon

Question 28

helps determine wind direction when reading weather maps

Answer 28

compass rose

Question 29

measures wind direction as N, S, E, or W

Answer 29

wind vane

Question 30

this provides the energy for storm systems such as hurricanes

Answer 30

heat

Question 31

This type of storm forms when an area of low pressure is accompanied by thunderstorms that produce circular winds with wind speeds <38 mph

Answer 31

Tropical depression

Question 32

This type of storm is a very intense low pressure system forming over tropical oceans that include strong circular winds
Wind speeds ,39-73 mph

Answer 32

Tropical Storm

Question 33

Tropical depressions, tropical storms and hurricanes all develop in areas of

Answer 33

low pressure

Question 34

A large storm with high powered circular winds that move in a counter clockwise direction. They form in the Southern Atlantic Ocean, Caribbean, Gulf of Mexico,and Eastern Pacific Ocean

Answer 34

Hurricanes

Question 35

Conditions needed for a hurricane to form (5)

Answer 35

Location - Ocean
Latitude - 8-20 degrees
Pressure - Low
Temperature - Warm (80 degrees F)
Wind shear - Low

Question 36

What are the 2 other names for hurricanes in other parts of the world?

Answer 36

tropical cyclone and typhoon

Question 37

An area of calm weather at the center of the hurricane

Answer 37

eye of the storm

Question 38

This is an area with the most severe weather in a hurricane

Answer 38

eye wall (area around the eye)

Question 39

This is the area of the lowest barometric pressure in a hurricane

Answer 39

eye

Question 40

Hurricanes are classified into how many categories?

Answer 40

5

Question 41

This is the scale used in the Western Hemisphere

Answer 41

Saffir-Simpson Scale

Question 42

Hurricane season in the Western Hemisphere is

Answer 42

June 1 - November 1

Question 43

Hurricanes turn counter clockwise in the Northern hemisphere because of Earth’s rotation. This is known as

Answer 43

The Coriolis Effect

Question 44

Along with high winds the _______ _______ is usually the most damaging part of a hurricane

Answer 44

storm surge

Question 45

GOES

Answer 45

Geostationary Operational Environment Satellites