What is Humidity?

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

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

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...