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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Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
A very cold high pressure that originates over the Arctic Ocean.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...