At a Glance
Spring is arguably the most active weather season of the year.
Snow, severe, flooding and high winds are common weather events in spring.
A storm system this weekend will bring several of those threats.
Spring is notorious for producing a broad range of extreme weather, including major snowstorms, severe thunderstorms, flooding, big temperature changes and high winds.
Wide-ranging weather impacts occur from March through May because of a battle between warmer air trying to push farther north and the last of winter’s cold plunging south out of Canada. That temperature contrast fuels a strong jet stream, and in turn, highly variable weather conditions.
The multi-faceted threats posed by storms in this transition season will be on full display later this week into the weekend. A slow-moving storm is expected to bring significant snow as well as the potential for flooding rain and severe thunderstorms to parts of the central U.S.
Here are five reasons spring is the most dynamic season.
1. A History of Major Winter Storms
Many parts of the country can still see major winter storms in spring, especially early in the season.
Heavy snowstorms commonly impact areas from the Rockies and the adjacent Front Range into the Plains and upper Midwest in spring. Sometimes these storms even produce blizzard conditions.
March 2018 proved major snowstorms can still occur in the East. The Eastern Seaboard was hit by four nor’easters in three weeks.
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One of the most notorious snowstorms on record – the 1993 Superstorm – struck the South and East in the second week of March.
March and April are actually the snowiest months of the year in the Rockies and High Plains. Additionally, many cities across the nation’s northern tier don’t see their average last measurable snow until April.