What is Precipitation?

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet, and hail.

Glossary

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

A new era is starting with fundamentally new forecasting with unprecedented precision!