General weather

General weather

Of or pertaining to weather

Industry: Weather

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General weather

Pilot balloon

Weather; General weather

A small balloon whose ascent is used to determine the direction and speed of low level atmospheric winds. Also known as a pibal.

Undercast

Weather; General weather

In aviation, it is an opaque cloud layer viewed from an observation point above the layer. From the ground, it would be considered an overcast.

Drainage wind

Weather; General weather

A katabatic wind, it is caused by the cooling of air along the slopes of a mountain. An example is a mountain breeze.

A luminous arc featuring all colours of the visible light spectrum (red, orange, yellow, green, blue, indigo, and violet). It is created by refraction, total reflection, and the dispersion of light. ...

Winter

Weather; General weather

Astronomically, this is the period between the winter solstice and the vernal equinox. It is characterised as having the coldest temperatures of the year, when the sun is primarily over the opposite ...

Air mass thunderstorm

Weather; General weather

A thunderstorm that is produced by convection within an unstable air mass through an instability mechanism. Such thunderstorms normally occur within a tropical or warm, moist air mass during the ...

Freezing rain

Weather; General weather

Rain that falls as liquid and freezes upon impact to form a coating of glaze on the colder ground or other exposed surfaces. It is reported as "FZRA" in an observation and on the METAR.