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 sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...