An increase in humidity (water vapor in the air) is likely to lead to sunny weather.

A volcano erupts! Large amounts of ash and dust spread throughout Earth's atmosphere, where they remain for many months.

The ash and dust are likely to have little or no effect on the weather.

A volcano erupts! Large amounts of ash and dust spread throughout Earth's atmosphere, where they remain for many months.

The ash and dust are likely to block sunlight, causing global cooling.

The red L in the image stands for Low Pressure.

The red L in the image stands for High Pressure.

Weather is the daily condition of temperature, humidity, and precipitation.

Climate is the the yearly conditions of temperature, precipitation. and humidity.

Rain, sleet, and snow are examples of precipitation.

As altitude increases (the further you move away from earth), temperature will decrease.

Warm and cold ocean currents affect the land nearby.

A barometer measures air pressure.

Weather is the yearly condition of temperature, humidity and precipitation.

Climate is the the daily conditions of temperature, precipitation. and humidity.

As altitude increases (the further you move away from earth), temperature will increase.

A barometer measures temperature.

A rain guage measures the wind's direction.

A thermometer measures temperature.

A thermometer measures air pressure.

A rain guage measures rainfall.