What is Orographic Lift?
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
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An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A type of cloud consisting mostly of small particles such as ice particles.
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A very cold high pressure that originates over the Arctic Ocean.
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A cloud of irregular appearance, composed of irregular cloud fragments.