What is Blizzard?
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant falling and/or blowing snow that reduces visibility to less than 1/4 mile.
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A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.