New York Under State of Emergency as Snowstorm Slams Northeast

As dangerous hurricane sweeps toward the coast, snow blasted to slippery conditions from Boston and New York City into Monday night, while snow piles up over the interior Northeast.

New England, New Jersey, and most of New York state were hit by nor'easter - and three to six more inches of snow was expected to drizzle Monday night.

More than 700 flights were canceled and more than 5,000 delayed across the United States Monday -- mostly in the Northeast. Boston's public schools will be closed on Tuesday.

New York Governor Andrew Cuomo announced a state of emergency in seven counties hit the hardest in the city. More than 15 inches of snow has already fallen in Albany, New York -- one of the counties under a state of emergency declared by the New York governor. Cuomo said New York troopers have already responded to more than 740 storm-related crashes statewide.

ALSO READ: New York Governor Activates Emergency Operations Center As Winter Storm Hits

Steve Smith, an Albany police officer, urged residents to stay home and advised the motorists to turn the car headlights, drive slowly, and give ample time if they need to travel.

NWS Issues Winter Weather Advisories for Northeast

The National Weather Systems placed New York City, Hartford, and Boston under winter weather advisories. Light to occasionally moderate snow was expected - additional snow accumulations of up to one inch. Localized higher amounts in small bands of heavy snow are possible.

Mayor Bill de Blasio said New Yorkers faced a "[wet] rush hour" Monday night and advised the motorists to avoid driving when possible. "Anything [might] happen with a storm," the mayor said.

The storm is forecasted to wind down Tuesday morning, leaving as much as 30 inches of snow on the ground in upstate New York and more than 2 feet in neighboring states.

Albany police help 99-year-old shovel out driveway

Police officers in Albany, New York was credited for digging out a 99-year-old woman's driveway after the Big Apple was covered in more than a foot and a half of snow. After the woman called for assistance, Officers William Pierce, Christopher Stiles, and John Schueler sprang into action.

The Facebook post revealing the officers shoveling the woman's driveway and sidewalk has since gone viral. The post has been answered with kind comments and has been shared more than 3,000 times.

Wyoming man dies in a car crash on the icy road

A motorist from Wyoming was killed in a car crash on Sunday afternoon after he lost control of his 2002 Ford Focus while driving along with snow and ice-covered road, Wyoming Highway said as reported by CBS News.

John Koerber, 22, was driving on US 89 when he swerved into oncoming traffic and collided with a 2007 GMC Sierra. Investigators are still determining if the speed Koerber was driving was also a contributory factor in the crash.

Koeber was wearing his seat belt but died from his injuries at the scene of the crash. The driver of the GMC, Corey Christensen, and the passenger, Maryanne Christensen, were taken to Star Valley Medical Center for further medications.

Death toll

A motorist from Wyoming was killed in a car crash on Sunday afternoon after he lost control of his 2002 Ford Focus while driving along with snow and ice-covered road, Wyoming Highway said as reported by CBS News.

John Koerber, 22, was driving on US 89 when he swerved into oncoming traffic and collided with a 2007 GMC Sierra. Investigators are still determining if the speed Koerber was driving was also a contributory factor in the crash.

Koeber was wearing his seat belt but died from his injuries at the scene of the crash. The driver of the GMC, Corey Christensen, and the passenger, Maryanne Christensen, were taken to Star Valley Medical Center for further medications.

A community in Arizona mourns for three children who were swept away by waters when the family's truck got stuck crossing a creek. Two bodies were recovered.

Rescuers and an army of volunteers continue to search for any sign of the third child, six-year-old Willa Rawlings, who was last seen wearing jeans and a purple jacket.

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The West Coast is bracing for more storms and threats of mudslides this week. Some areas in the Northeast were expecting an additional 10 to 20 inches of snow overnight.