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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Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
An instrument for measuring atmospheric pressure.
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...