It is forecasted that from the night of February 22 to February 23, snowfall in New York and Boston may reach 30-45cm, while Philadelphia is forecast to record snowfall from 20-30cm.
Millions of people along the Interstate 95 traffic corridor in the northeastern United States are preparing to cope with the impact of the extremely strong storm nor'easter, which is expected to cause widespread heavy snowfall starting from February 22.
According to information from the latest storm forecast models, more snowfall is expected, making this forming storm one of the biggest threats of snowstorms in recent years to major cities in the northeast such as New York.
The storm will begin to form in the afternoon of February 22 when a low pressure area rapidly strengthens offshore North Carolina.
Forecast data shows that the nor'easter system will move dangerously close to the east coast of the United States, bringing heavy snowfall from Virginia to Maine from the evening of February 22.
The combination of heavy snowfall and strong winds could lead to severe blizzard conditions in the southeastern New England region.
Meanwhile, areas deeper inland will have lower snowfall.
In Washington, D.C and Baltimore, the forecast still has many uncertain factors. Temporarily, Washington may record snowfall from 12-20cm, Baltimore is likely to fall into the thickest snow area, from 20-30cm until the end of February 23.
In addition to the typical characteristics of a nor'easter, this storm also undergoes a bombogenesis process, i.e. the central pressure of the storm decreases by at least 24 millibars within 24 hours. At that time, the weather system will bear all the characteristics of a "bomb cyclone" and a nor'easter.
Winter storm monitoring warnings have been issued in New York, Long Island, some areas of New Jersey, Connecticut, Massachusetts and Baltimore.
Some areas in Massachusetts and Connecticut are being placed under winter weather warnings, while Boston faces the risk of coastal flooding.
Weather conditions across New England are expected to worsen rapidly on February 23 when heavy snowfall and strong winds increase.
The possibility of snowstorm conditions is very high in southeastern Massachusetts and Rhode Island.
gusts can reach 113 km/h, increasing the risk of widespread power outages.
The forecasting agency is also monitoring the risk of snowstorms along the East Coast, from Cape May (New Jersey) to Boston.
A snowstorm is defined as a severe winter storm with sustained winds of 56 km/h or more and visibility below 400m lasting at least 3 hours.
Officials in urban areas are urgently preparing to respond. New York Mayor Zohran Mamdani said that urban sanitation forces are ready before the storm makes landfall.
Rising sea levels due to continuous strong northeast winds can cause mild to moderate flooding during high tides, especially in eastern Massachusetts.
Large waves caused by strong winds can also devastate the coast and cause serious erosion down to the Outer Banks area in North Carolina.
Snowfall in New York in western areas is expected to gradually decrease on February 23 but will continue to affect Long Island and extend to Maine until the night of February 23.
According to the weather forecast, by the morning of February 24, snow will stop falling throughout the northeastern United States.
