What is Humidity?

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....