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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Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A very cold high pressure that originates over the Arctic Ocean.
A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...