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What is Beaufort Scale?

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree branches and chimney smoke on land, expressed with numbers from 0 to 12, used in wind connection and wind power extension by looking only at the results without referring to any device.

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Glossary

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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

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

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

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...