Forecasting Weather Flashcards

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0
Q

A person who makes predictions based on data on atmospheric conditions is

A

Meteorologist

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1
Q

How far ahead does the weather forecasts predict the weather

A

3 to 5 days before

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2
Q

Measures wind direction

A

Windsock

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3
Q

Carries electronic equipment that measures weather conditions above Earth’s surface

A

Weather balloon

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4
Q

Measures air pressure

A

Barometer

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5
Q

Measure air temperature

A

Thermometer

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6
Q

Measures windspeed

A

Anemometer

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7
Q

Weather balloons carry equipment that measures what three things

A

Temperature,air pressure,relative humidity

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8
Q

How do weather balloon send measurements to weather stations on the ground

A

Meteorologists track them

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9
Q

The liquid in a thermometer moves up the glass tube when the air temperature

A

Increases

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10
Q

In what two ways can a hurricane cause a great deal of damage

A

Strong winds can knock things down

and storm surges can flood places

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11
Q
Which is not a safety measure during a thunderstorm
A tree
B stay low to the ground 
C stay away from water 
D listen to the radio
A

Stand near a tree

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12
Q

What does a tornado warning mean

A

That a tornado has been spotted

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13
Q

What is the most important safety measure during a hurricane

A

Do not go outside

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14
Q

How does a barometer work

A

Glass tube put in Mercury

Mercury rises as air pressure increases

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15
Q

The technology that shows the form, amount, and location of precipitation is called

A

Radar

16
Q

What is a special type of radar meteorologists use to predict when a tornado might touch down

A

Doppler radar

17
Q

As they orbit Earth, what provides images of weather systems that we see on television weather reports

A

Weather satellites

18
Q

Where does the National Weather Service get its information for it’s weather maps

A

From 1000 weather stations

19
Q

A representation of a weather station on a map is called a

A

Station model

20
Q

The lines on a weather map that connect points of equal air pressure are

A

Isobars

21
Q

What does an isobar that is a closed circle represent

A

Areas of high or low pressure

22
Q

What instrument measures air pressure

A

A barometer

23
Q

How does radar help meteorologists forecast the weather

A

It tells the location, movement, and amount of precipitation

24
Q

What does a station model represent

A

A weather station

25
Q

Why would a meteorologist compare a new weather map with one that is 24 h old

A

To see if the weather changed

26
Q

How might several station models from different regions plotted on a map help a meteorologist

A

It could tell where weather was coming from