What is Warning?
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening now, developing as we speak, and is minutes away. This weather hazard poses a threat to life and property.
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The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A cloud of irregular appearance, composed of irregular cloud fragments.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...