What is Clear?
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility. Clear sky. In meteorology, this term is also used when the cloud cover is less than 1/8 during the day or at the observation hour.
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The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A type of cloud consisting mostly of small particles such as ice particles.
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...