Clouds
Instruments
Atmosphere
Water
Fronts
100

White and wispy

Cirrus clouds

100

Measures air pressure

Barometer

100

The highest layer of the atmosphere

Exophere

100

Warming of the Pacific Ocean

El Nino

100

When a cold air mass goes under a warm air mass

Cold front

200

Flat and gray

Stratus clouds

200

Measures wind direction

Wind vane

200

The layer where weather occurs

Troposphere

200

Cooling of the Pacific Ocean

La Nina

200

When a warm air mass gets stuck between two cold air masses

Occluded front

300

Tall and dark gray

Cumulonimbus clouds

300

Measures wind speed

Anemometer

300

The center layer of the atmosphere

Mesophere

300

A current in the Gulf of Mexico and Atlantic Ocean

Gulf Stream

300

When a warm air mass goes under a cold air mass

Warm front

400

Puffy and white

Cumulus clouds

400

Measures humidity

Hygrometer

400

The layer where weather balloons float

Stratosphere

400

Where the Gulf Stream is

Gulf of Mexico, Atlantic Ocean

400

A front that does not affect the weather at all

Stationary front

500

What cloud produces steady rain for a long period of time

Nimbostratus clouds

500

Measure precipatation

Rain gauge

500

Number of layers in the atmosphere

5

500

Where El Nino and La Nina take place

Pacific Ocean

500

A boundary between two air masses

Front

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