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 large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
A large body of air having similar horizontal temperature and moisture characteristics.
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...