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The December 2009 North American blizzard was a powerful nor'easter that formed over the Gulf of Mexico in December 2009, and became a major snowstorm that affected the East Coast of the United States and Canadian Atlantic provinces. The snowstorm brought record-breaking December snowfall totals to Washington, D.C., Baltimore, and Philadelphia.
As the system moved towards the East Coast, snowfall rates began to increase to 1–2 inches (2.5–5.1 cm) per hour. The storm began to accelerate, and began to crank out the last burst of snowfall along the affected areas before moving offshore. Total snowfall accumulations ranged from 8–14 inches (20–36 cm), mainly in North Carolina. [11]
Winter storms can produce both ice and snow, but are usually more notable in one of these two categories. The "Maximum accumulation" sections reflect the more notable category which is represented in inches of snow unless otherwise stated. Only category 1 and higher storms as defined by their regional snowfall index are included here.
Record snowiest day: Feb. 28, 2021 (30 inches) Record snow depth: Feb. 8, 2008 (48 inches) ... The Black Hills can amplify snowfall totals from slow-moving Plains winter storms as moist, cold ...
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Tropical cyclones normally threaten the states during the summer and fall, with their main impact being rainfall. [3] Although Hurricane Agnes was barely a hurricane at landfall in Florida, its major impact was over the Mid-Atlantic region, where Agnes combined with a non-tropical low to produce widespread rains of 6 inches (150 mm) to 12 inches (300 mm) with local amounts up to 19 inches (480 ...
The amount of snow received at weather stations varies substantially from year to year. For example, the annual snowfall at Paradise Ranger Station in Mount Rainier National Park has been as little as 266 inches (680 cm) in 2014-2015 and as much as 1,122 inches (2,850 cm) in 1971–1972. [2]
Snowfall totals as of Jan. 23, 2024 The Rochester area has seen 32.9 inches of snow this season, which trails the normal year-to-date snowfall. This puts them ahead of perennial favorite Syracuse ...