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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Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A very cold high pressure that originates over the Arctic Ocean.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...