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A blizzard is a severe snowstorm characterized by strong sustained winds and low visibility, lasting for a prolonged period of time—typically at least three or four hours. A ground blizzard is a weather condition where snow is not falling but loose snow on the ground is lifted and blown by strong winds.
t. e. This article describes severe weather terminology used by the National Weather Service (NWS) in the United States, a government agency operating within the Department of Commerce as an arm of the National Oceanic and Atmospheric Administration (NOAA). The NWS provides weather forecasts, hazardous weather alerts, and other weather-related ...
Phenomena caused by severe thunderstorms. Excessive Lightning. Derecho. Extreme wind (70 mph or greater) Downpours. Heavy rain. Flood, flash flood, coastal flooding. Hail. High winds – 93 km/h (58 mph) or higher.
Severe weather is any dangerous meteorological phenomenon with the potential to cause damage, serious social disruption, or loss of human life. [1][2][3] These vary depending on the latitude, altitude, topography, and atmospheric conditions. High winds, hail, excessive precipitation, and wildfires are forms and effects, as are thunderstorms ...
A blizzard is defined as a severe snowstorm characterized by strong sustained winds of at least 56 kilometres per hour (35 mph) and lasting for three hours or more. The list states blizzards in various countries since 1972.
Snow flurry, snow shower, snow storm and blizzard describe snow events of progressively greater duration and intensity. [35] A blizzard is a weather condition involving snow and has varying definitions in different parts of the world.
The 2011 Groundhog Day blizzard[3][4][5] was a powerful and historic winter storm that affected large swaths of the United States and Canada from January 31 to February 2, 2011, especially on Groundhog Day. [3][6] During the initial stages of the storm, some meteorologists predicted that the system would affect over 100 million people in the ...
Winter storms are formed when moist air rises up into the atmosphere, creating low pressure near the ground and clouds up in the air. The air can also be pushed upwards by hills or large mountains. The upward motion is called lift. [1] The moisture is collected by the wind from large bodies of water, such as a big lake or the ocean.