nor easter definition
Sarah Parker
Updated on June 18, 2026
A Nor’easter is a storm along the East Coast of North America, so called because the winds over the coastal area are typically from the northeast. These storms may occur at any time of year but are most frequent and most violent between September and April.
What are the characteristics of a Nor Easter?
Nor’easters can produce heavy snow and blizzards, rain and flooding, and huge crashing waves. These waves can cause erosion to the beach and severe damage to nearby buildings and structures. Nor’easters can also produce wind gusts that are even stronger than hurricane-force winds.
What’s the difference between a nor’easter and Blizzard?
A nor’easter can be a blizzard and vice versa. A blizzard, though, has a specific meteorological definition, according to the National Weather Service: A storm that has blowing and/or falling snow with winds of at least 35 mph, which reduces visibilities to a quarter of a mile or less for at least three hours.
What states are affected by the Nor Easter?
The eastern United States, from North Carolina to Maine, and Eastern Canada can experience nor’easters, though most often they affect the areas from New England northward. The effects of a nor’easter sometimes bring high surf and strong winds as far south as coastal South Carolina.
Was hurricane Sandy a Nor Easter?
“It stayed a tropical system – a hurricane – farther north than originally anticipated.” The GOES-East visible satellite captured Sandy off the mid-Atlantic coast on the morning of Oct. 29, 2012. Meanwhile, wrapping around it was this developing nor’easter, so it was a true hybrid storm.
What’s a cyclone bomb?
Winter storms occasionally strengthen very quickly, bringing strong winds with them. Such intense storms are called “bomb cyclones.” They can be destructive if they move through densely populated areas and drop heavy snow alongside blizzard-like winds.
What is the difference between a hurricane and nor Easter?
Nor’easters are cold-core lows that usually occur between October and April. Hurricanes are warm-core lows that happen between June and November.
How strong are nor’easter winds?
In addition to heavy snow and rain, nor’easters can bring gale force winds greater than 58 miles per hour. These storms can produce rough seas, coastal flooding and beach erosion.
Can Nor Easters cause tornadoes?
This difference in temperatures turns a nor’easter from an inconvenience into a dangerous storm that introduces frigid temperatures, coastal flooding, hurricane-force winds, blizzard conditions and occasional tornadoes into one of the nation’s most populated areas [source: NOAA].
What is the deadliest blizzard in history?
The Iran blizzard of February 1972 was the deadliest blizzard in history. A week-long period of low temperatures and severe winter storms, lasting 3–9 February 1972, resulted in the deaths of over 4,000 people.
How long is a blizzard?
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.
What is a hurricane what is the eye of a hurricane?
Hurricanes consists of three major parts: the eye, eye wall and rainbands. The eye is the calmest part of the hurricane located in the center. The entire hurricane rotates around the eye. It is usually 20-40 miles in diameter. Eyes that are less than 10 miles in diameter are known as a pinhole eye.
Where did the term nor Easter come from?
The Oxford English Dictionary dates the appellation “nor’easter” back to the year 1837, although the less abbreviated form “north-easter” (also northeaster) goes all the way back to a Boston newspaper in 1753.
What was storm surge for Sandy?
8 p.m.: Sandy comes ashore near Atlantic City, New Jersey, with hurricane-force winds of 90 mph. In combination with a full moon and high tide, a 14-foot wave surge in New York Harbor tops the seawall in lower Manhattan and floods parts of New York’s subway system and a crucial tunnel.