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Blizzard Hernando Set To Slam New York City

Officials declare states of emergency, activate National Guard, and urge residents to stay home as Winter Storm Hernando threatens the Northeast with blizzard conditions, heavy snow, and dangerous travel.

6 min read

New York City and the wider Tri-State area are bracing for a winter storm of historic proportions, as forecasters warn that blizzard conditions, heavy snow, and life-threatening travel disruptions are set to descend from Sunday night into Monday. Dubbed Winter Storm Hernando, this rapidly intensifying nor’easter is poised to be the most significant snow event the region has faced since the record-breaking blizzard of January 2016, according to Eyewitness News and CBS New York.

Preparations across the region kicked into high gear over the weekend. At a press conference on Saturday, New York City Mayor Zohran Mamdani issued a stark warning: "Let me be clear: No one will be denied shelter in our city." He announced the activation of the city’s "Code Blue" emergency protocol, guaranteeing expanded outreach and immediate shelter for homeless individuals and anyone without heat as the storm approaches. The mayor urged all residents to stay off the roads, stressing that the expected massive snowfall and hazardous icy conditions would make Monday morning’s commute especially treacherous.

Governor Kathy Hochul echoed these concerns, declaring a State of Emergency in more than 20 counties and mobilizing the New York National Guard. Beginning Sunday, 100 National Guard members and 25 vehicles will be strategically staged across downstate regions to assist with storm response. The State Emergency Operations Center is also set to activate Sunday morning, ensuring a coordinated approach as the storm bears down on the region.

The meteorological setup for this storm is a classic recipe for chaos: energy surging from the Ohio Valley is colliding with moisture drawn from the Gulf and Atlantic, resulting in a system that meteorologists say almost resembles a "winter hurricane." According to Eyewitness News Meteorologist Jeff Smith, conditions will stay relatively calm Saturday evening, but clouds will thicken overnight. By midday Sunday, visibility is expected to drop as steadier snow develops, particularly in New York City and areas to the south and west. After sunset, temperatures will fall and the storm will rapidly intensify offshore, pulling bands of heavy snow directly into the region.

Forecasts call for snowfall rates of 2 to 3 inches per hour, with some areas potentially seeing these intense bands linger overhead for hours. Most of the region is projected to receive between 12 and 18 inches of snow, with localized totals possibly reaching 24 inches or more—especially on Long Island and parts of the Jersey Shore. Areas farther north and west, including the Poconos and Catskills, are expected to see slightly lower amounts, in the range of 8 to 12 inches, due to reduced access to the storm’s core moisture.

The National Weather Service has issued a Blizzard Warning for New York City’s five boroughs, southern Westchester, southern Nassau, and southeast Suffolk from 6 a.m. Sunday through 6 p.m. Monday. To meet the criteria for a blizzard, a storm must bring winds gusting to at least 35 mph, heavy snow, and visibility under a quarter mile for at least three consecutive hours. This time, forecasters expect the area could see 10 to 12 hours of true blizzard conditions, with winds peaking overnight Sunday into Monday—gusts of over 40 mph are expected across the region, with Long Island potentially seeing gusts up to 60 mph.

As the snow piles up, the city’s fleet of 700 salt trucks will be deployed, and plow trucks will hit the streets once snow reaches a plowable depth of two inches. The city is also recruiting emergency snow shovelers online to help clear public sidewalks and intersections. The New York City Fire Department issued a critical reminder for residents to keep fire hydrants clear of snow, as buried hydrants can cause dangerous delays in emergencies.

Impacts will not be limited to New York City. Meteorologist Jonathan Belles told Weather News, "Blizzard conditions are likely from Delaware to Massachusetts as Winter Storm Hernando moves by offshore from Sunday into Monday. This will bring strong gusts up to 55 mph, heavy and wet snow, lowered visibility and coastal flooding to coastal areas." Coastal regions from Delmarva through Long Island are bracing for high waves, beach erosion, and possible flooding during high tide. The governor of New Jersey has declared a state of emergency, advising all residents to "follow all safety protocols during the storm."

Travel is expected to become nearly impossible in many areas. Road conditions will deteriorate rapidly Sunday evening, with the Monday morning commute described by officials as potentially "impossible." Transit agencies are adjusting service, and starting at 4 p.m. Sunday, empty commercial vehicles and tandem tractor trailers will be banned from I-84 and roads south of it, including sections of the Thruway. AccuWeather estimates that more than 2,500 flights will be cancelled Sunday into Monday, and highways, rail lines, and airports across the Northeast are expected to face significant delays. Officials warn that blowing and drifting snow could make roads impassable at times, and drivers could become stranded for hours during peak storm conditions.

Residents are being urged to avoid nonessential travel and to prepare for possible power outages, especially in coastal neighborhoods where the snow is expected to be wet and heavy. Strong winds, combined with the weight of the snow, pose a significant risk for downed trees and power lines. Local reports indicate that salt supplies are critically low after a particularly harsh winter, adding another layer of concern as the city prepares to battle the elements once again.

For those who absolutely must travel, officials recommend keeping a winter survival kit in the vehicle—flashlight, food, water—and driving slowly with extra stopping distance. "The storm will be incredibly disruptive and dangerous," said Carl Erickson, AccuWeather’s director of forecasting operations. "Blowing snow and near-zero visibility will make travel nearly impossible during the worst of the storm."

New York City has already recorded 22.3 inches of snow this season, close to its historical average of 22.1 inches, and this marks the fifth consecutive weekend of accumulating snow for parts of the Northeast. The relentless stretch of winter weather has driven up heating costs and caused widespread disruptions, and now the region faces what could be the most formidable test yet.

Looking ahead, the storm’s snow is expected to taper off by Monday afternoon, though gusty winds and blowing snow will persist. Cleanup will be underway Tuesday, and while another system is possible on Wednesday, early forecasts suggest it will be significantly weaker. For now, all eyes are on Winter Storm Hernando—a rare and powerful event that has the entire region on high alert, reminding residents just how quickly winter can turn from inconvenience to emergency.

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