A nor'easter (also northeaster; see below) is a large-scale extratropical cyclone in the western North Atlantic Ocean. The name derives from the direction of the winds that blow from the northeast. Typically, such storms originate as a low-pressure area that forms within 100 miles (160 km) of the shore between North Carolina and Massachusetts. The precipitation pattern is similar to that of other extratropical storms, although nor'easters are usually accompanied by heavy rain or snow, and can cause severe coastal flooding, coastal erosion, hurricane-force winds, or blizzard conditions. They tend to develop most often and most powerfully between the months of November and March, because of the difference in temperature between the cold polar air mass coming down from central Canada and the warm ocean waters off the upper East Coast. The susceptible regions—the upper north Atlantic coast of the United States and the Atlantic Provinces of Canada—are generally impacted by nor'easters a few times each winter.
Etymology and usage
The term nor'easter came to American English by way of British English. As noted in a January 2006 editorial by William Sisson, editor of Soundings magazine, use of "nor'easter" to describe the storm system is common along the U.S. East Coast. Early recorded uses of the contraction nor (for north) in combinations such as nor'-east and nor-nor-west, as reported by the Oxford English Dictionary, date to the late 16th century, as in John Davis's 1594 The Seaman's Secrets: "Noreast by North raiseth a degree in sayling 24 leagues." The spelling appears, for instance, on a compass card published in 1607. Thus, the manner of pronouncing from memory the 32 points of the compass, known in maritime training as "boxing the compass", is described by Ansted with pronunciations "Nor'east (or west)," "Nor' Nor'-east (or west)," "Nor'east b' east (or west)," and so forth. According to the OED, the first recorded use of the term "nor'easter" occurs in 1837 in a translation of Aristophanes. The term "nor'easter" naturally developed from the historical spellings and pronunciations of the compass points and the direction of wind or sailing. 19th-century Downeast mariners pronounced the compass point "north northeast" as "no'nuth-east", and so on. For decades, Edgar Comee, of Brunswick, Maine, waged a determined battle against use of the term "nor'easter" by the press, which usage he considered "a pretentious and altogether lamentable affectation" and "the odious, even loathsome, practice of landlubbers who would be seen as salty as the sea itself". His efforts, which included mailing hundreds of postcards, were profiled, just before his death in 2005 at the age of 88, in The New Yorker. Despite the efforts of Comee and others, the term was frequently used by the press in the 19th century.
The Hartford Times reported on a storm striking New York in December 1839, and observed, "We Yankees had a share of this same "noreaster," but it was quite moderate in comparison to the one of the 15h inst." Thomas Bailey Aldrich, in his semi-autobiographical work The Story of a Bad Boy (1870), wrote "We had had several slight flurries of hail and snow before, but this was a regular nor'easter". In her story "In the Gray Goth" (1869) Elizabeth Stuart Phelps Ward wrote "...and there was snow in the sky now, setting in for a regular nor'easter". John H. Tice, in A new system of meteorology, designed for schools and private students (1878), wrote "During this battle, the dreaded, disagreeable and destructive Northeaster rages over the New England, the Middle States, and southward. No nor'easter ever occurs except when there is a high barometer headed off and driven down upon Nova Scotia and Lower Canada." Usage existed into the 20th century in the form of:
Current event description, as the Publication Committee of the New York Charity Organization Society wrote in Charities and the commons: a weekly journal of philanthropy and social advance, Volume 19 (1908): "In spite of a heavy "nor'easter," the worst that has visited the New England coast in years, the hall was crowded." Historical reference, as used by Mary Rogers Bangs in Old Cape Cod (1917): "In December of 1778, the Federal brig General Arnold, Magee master and twelve Barnstable men among the crew, drove ashore on the Plymouth flats during a furious nor'easter, the "Magee storm" that mariners, for years after, used as a date to reckon from." A "common contraction for "northeaster"", as listed in Ralph E. Huschke's Glossary of Meteorology (1959). According to Boston Globe writer Jan Freeman, "from 1975 to 1980, journalists used the nor'easter spelling only once in five mentions of such storms; in the past year (2003), more than 80 percent of northeasters were spelled nor'easter". The Pacific Northwest is also affected by a similar class of powerful extratropical cyclones, known as Pacific Northwest windstorms. While the storms on the East Coast are named "nor'easters", the Pacific Northwest windstorms are not called "nor'westers" because the cyclones' primary winds can blow from any direction, while the primary winds in nor'easters usually blow from the northeast.
Geography and formation characteristics
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