Here are some specific examples of what they study:

* Temperature: Air and water temperature, how they change over time and location.

* Wind: Wind speed and direction, how it influences weather patterns.

* Precipitation: Rain, snow, hail, and other forms of precipitation, their frequency and intensity.

* Humidity: The amount of moisture in the air, which affects cloud formation and precipitation.

* Atmospheric pressure: Changes in pressure can indicate approaching storms or other weather events.

* Cloud formation and movement: Meteorologists study how clouds form, their types, and how they move.

* Climate change: How human activities are impacting long-term weather patterns.

* Severe weather: Tornados, hurricanes, blizzards, and other dangerous weather events.

They use a variety of tools and technologies to study these things, including:

* Weather balloons: These balloons carry instruments that measure atmospheric conditions.

* Satellites: Satellites provide images and data about weather patterns around the world.

* Radars: Radars detect precipitation and other weather phenomena.

* Computer models: Meteorologists use computer models to predict future weather events.

Ultimately, their goal is to understand and predict the weather so that we can stay safe and prepare for any potential dangers.