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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Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.
A large body of air having similar horizontal temperature and moisture characteristics.
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 horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...