What is Heat Index?
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the 'apparent temperature.'
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A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...