Notable Atmospheric River Events
Events are listed in chronological order and are required to have appeared in a peer-reviewed publication in order to be included on this page. Click gray bar to expand details of event.
1986 Northern and Central CA
1996/1997 Northern California and Western Nevada
1998 Central California Coast, Santa Cruz Mountains
2004 Northern California, Russian River Basin
2005 Southern California
2005 Western Oregon and Western Washington
2005 Western Norway
2005/2006 Northern California
2006 Western Washington and Northern Oregon
2009 Western Washington
2009 Northern and Central California
2010 "Snowmageddon" Event, Mid-Atlantic U.S.
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5–6 February
Precipitation
- Widespread snowfall totals of 2–3 feet across region.
- 26.5 inches of snow at Wilmington, DE (all-time record).
- 28.5 inches at Philadelphia, PA (second all-time heaviest snowfall).
- 18.2 inches at Atlantic City, NJ (second all-time heaviest snowfall).
- 24.8 inches at Baltimore, MD (third all-time heaviest snowfall).
- 17.8 inches at Washington, D.C. (fourth all-time heaviest snowfall).
- Some locations in Maryland had snowfall totals exceeding 3 ft.
Societal Impacts
- The U.S. Government temporarily closed its offices.
- Widespread school closures throughout the Mid-Atlantic region.
- Nearly 300,000 power outages across Virginia and Maryland.
- Train, automobile, and air travel was significantly hindered as snow rapidly accumulated on railways roadways, and runways; several automobile accidents reported, widespread flight cancellations.
- Heavy, wet snow caused several roof collapses throughout the Mid-Atlantic region.
Related Publication
Halverson, J. B. and T. D. Rabenhorst, 2010: Mega-snow in the Megalopolis: The Mid-Atlantic's blockbuster winter of 2009-2010. Weatherwise, 63, 16-23, doi:10.1080/00431672.2010.490164.
Related Links
- Dr. Jeff Masters' WunderBlog (Weather Underground)
- Mega-Snow in the Megalopolis: The Mid-Atlantic's Blockbuster Winter of 2009-2010 Weatherwise
- http://en.wikipedia.org/wiki/First_North_American_blizzard_of_2010 (Wikipedia)
- end quote from:
- Notable AR Events
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