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 lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
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The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...