What is Heat Index?

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...