a device used for measuring wind speed
instrument used to measure atmospheric pressure
the boundary between two air masses
a severe storm that develops over tropical oceans and whose strong winds of more than 120 km/h spiral in toward the intensely low-pressure storm center
an instrument for measuring temperature
the natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases
the sound produced by rapidly expanding air along the path of a lightning discharge
a sudden spark, or energy discharge, caused when electrical charges jump between parts of a cloud, between nearby clouds, or between a cloud and the ground.
percentage of water vapor that is actually in the air compared to the maximum amount of water vapor the air can hold at a particular temperature
horizontal movement of air from an area of high pressure to an area of low pressure
a rapidly whirling, funnel-shaped cloud that reaches down from a storm cloud to touch Earth's surface
amount of water vapor in the atmosphere
the measure of the force with which air molecules push on a surface.
a large body of air with relatively uniform pressure, temperature, and humidity