Not many winter storms have the potential to bury 100 million people in 1-2 feet of snow in a single day. Nor’easters are notorious for packing strong winds and copious amounts of moisture they get from the Atlantic. The heavily-populated region between Washington D.C., Philadelphia, New York City, and Boston — the “I-95 Corridor” — is especially impacted by Nor’easters
Ah, Nor’easters! These wintertime behemoths of the East Coast pack a powerful punch, bringing with them wind, snow, rain, and coastal flooding. Here’s the lowdown on these potent storms:
What are they?
Nor’easters are extratropical cyclones, also known as mid-latitude cyclones, that develop off the eastern coast of North America. They get their name from the strong northeasterly winds that blow over the coastal region during the storm. These storms are most frequent and intense between September and April but can occur any time of year.
What makes them special?
Several factors contribute to a Nor’easter’s ferocity:
- The collision of air masses: Cold air from Canada meets warm, moist air from the Gulf Stream and the Atlantic Ocean, creating a potent energy source for the storm to tap into.
- Explosive cyclogenesis: Nor’easters often undergo rapid intensification, dropping in pressure at a dramatic rate, which fuels strong winds and heavy precipitation.
- The geography of the East Coast: The shallow continental shelf and the presence of bays and inlets amplify the storm surge, leading to coastal flooding.
What do they bring?
Nor’easters can pack a variety of unpleasant surprises:
- Blizzard conditions: Heavy snowfall, strong winds, and poor visibility can create whiteout conditions, making travel dangerous or impossible.
- Coastal flooding: The storm surge, combined with high tides, can inundate coastal areas, causing significant damage to infrastructure and property.
- High winds: Powerful winds can bring down trees and power lines, causing widespread outages and disruptions.
- Rain or freezing rain: Depending on the temperature, precipitation can fall as rain, freezing rain, or sleet, each presenting its own set of hazards.
Staying safe during a Nor’easter:
It’s crucial to be prepared and take precautions if a Nor’easter is on the way:
- Stay informed: Closely monitor weather updates and advisories from the National Weather Service.
- Have a plan: Make sure you have a plan for sheltering in place or evacuating, if necessary.
- Stock up on supplies: Ensure you have sufficient food, water, medications, and other essentials for at least a few days.
- Prepare your home: Secure loose objects outdoors, clear storm drains, and keep a shovel handy.
- Charge devices: Make sure your phone, laptop, and other essential devices are fully charged.
- Stay off the roads: Avoid driving unless absolutely necessary, as travel conditions can be treacherous.
Nor’easters are no joke, so it’s essential to respect their power and prepare for their potentially disruptive and dangerous impacts. By staying informed, taking precautions, and having a plan, you can weather the storm safely and minimize the risks.
I hope this comprehensive explanation sheds light on the fascinating and formidable world of Nor’easters! Remember, knowledge is power, and being prepared is key to staying safe during these wintertime giants.