When a rapidly moving cold air mass overtakes a slow-moving warm air mass.
When a warm air mass and a cold air mass meet and neither can move the other.
A funnel shaped cloud that touches Earth's surface.
A scientist who studies weather and tries to predict it.
Lines on a map joining places that have the same air pressure.
When a warm air mass overtakes a cold air mass.
Lines on a map joining places with the same temperature.
A violent disturbance in the atmosphere.
The boundary where unlike air masses meet but do not easily mix.
Where a warm air mass is caught between two cooler air masses.
Sudden, violent floods that occur shortly after a storm.
A long-lasting storm that starts over the warm surface of the ocean and has winds of 119 km or higher.
(meteorology) rapid inward circulation of air masses about a low-pressure center
n. An atmospheric condition of high central pressure, with currents flowing outward.
the flash of light that accompanies an electric discharge in the atmosphere (or something resembling such a flash) from opposite charges
a booming or crashing noise caused by air expanding along the path of a bolt of lightning
measuring instrument for measuring temperature
an instrument that measures atmospheric pressure
a gauge for recording the speed and direction of wind
Short term fluctuations (days, weeks) in temperature, precipitation, and humidity resulting from rapidly forming and decaying weather systems.
The amount of water vapor in the air
ratio of the amount of water vapor in the air to the actual amount of water vapor needed to reach saturation at a given temperature
Change in state from a gas to a liquid
puffy , white clouds that tend to have flat bottoms, usually indicate fair weather
Clouds that form in layers. Stratus clouds cover large areas and usually block out the sun.
thin, feathery white clouds which format high altitudes
water that falls from the atmosphere to the Earth as rain,sleet , or snow
a large body of air where temperature and moisture content are constant throughout
rotation of air around a high pressure center in the opposite direction of Earth's rotation