Snow squalls lead to treacherous travel on Pennsylvania Turnpike as winter storm spins across Northeast

This is the third storm system in a week to impact millions of people across the region, but unlike the previous two, there is enough cold air in place that has allowed for snow to break out.

 Winter weather alerts have been posted across the Northeast and Great Lakes as a potent storm system spins its way across the region, prompting Snow Squall Warnings due to heavy snow that has sharply reduced visibility on some western and central Pennsylvania highways and created some treacherous travel conditions.

The National Weather Service office in Pittsburgh issued Snow Squall Warnings late Sunday morning due to radar-indicated heavy snow from the Ligonier area to Latrobe and Irwin, and forecasters warned of high wind gusts leading to blowing snow along Interstate 70 as well as on the Pennsylvania Turnpike.

The NWS office in State College, Pennsylvania, also issued a Snow Squall Warning in Blair and Centre counties in central Pennsylvania due to heavy snow reported from Julian to Sandy Ridge. The NWS said dangerous travel conditions were expected along Interstate 99, affecting locations such as State College, Philipsburg and Chester Hill.

Other Snow Squall Warnings were issued in eastern Pennsylvania on Sunday afternoon due to hazardous conditions on portions of Interstate 80 in the Mount Pocono, Tannersville and Jonas areas.

The NWS said that intense snow has also led to reports of thundersnow along the border of Armstrong and Indiana counties near Shelocta, Pennsylvania.

A three-hour radar loop showing where snow (blue) and rain (green) are ongoing. Snow Squall Warnings are indicated in purple.
(FOX Weather)


This is the third storm system in a week to impact millions of people across the region, but unlike the previous two, there is enough cold air in place that has allowed for snow to break out.

And some significant snowfall totals higher than 6 inches are likely in the higher elevations.

Winter weather alerts stretch from Great Lakes to New England

This graphic shows winter weather alerts in effect through the start of the new workweek.
(FOX Weather)


Winter weather alerts have been across the region and stretch from Ohio to northern New England.

Winter Storm Warnings have been issued for cities such as Cleveland, Watertown in New York and Montpelier in Vermont.

Winter Weather Advisories have also been issued, and those are in effect for cities like Syracuse in New York and Burlington and Rutland in Vermont.

This graphic shows forecast snow totals in the Northeast through Monday, March 11, 2024.
(FOX Weather)


Lower elevations across the region won't see significant snowfall totals. However, the higher elevations could pick up a half-foot or more as the storm system continues to make its way through the area.

The Green Mountains in Vermont could see snow totals of 5-8 inches, with some locally higher amounts up to a foot or more.

The Adirondacks in upstate New York will also see high snow totals from the system, with snow totals up to a foot possible, with higher amounts locally.

And while lower elevations won't see as high of snowfall totals, snow that does fall could make for some hazardous driving conditions due to lake-effect snow and snow squalls.

Early Sunday morning, the NWS office in State College issued a Snow Squall Warning for the Clearfield area due to heavy snow and threats of a flash freeze. The NWS said the bursts of heavy snow and strong winds had reduced visibility to less than a quarter-mile, making for dangerous travel conditions on Interstate 80 in the area.

Millions under wind alerts, including NYC, Boston, Philadelphia, Washington

This graphic shows wind alerts in the Northeast through Monday, March 11, 2024.
(FOX Weather)


Wind alerts have been posted across the Northeast due to the storm system spinning across the region on Sunday.

Most cities have been placed under a Wind Advisory, including Hartford in Connecticut, Philadelphia and Washington.

A High Wind Watch has been issued for the New York City tri-state area, including the Five Boroughs, parts of northeastern New Jersey, the lower and mid-Hudson Valley of New York, Long Island and coastal Connecticut.

This graphic shows forecast wind gusts.
(FOX Weather)


The NWS in New York City said winds of 25-35 mph are likely with gusts of up to 60 mph on Monday for areas included in the High Wind Watch.

This system brought a wide range of impacts from snow, wind and coastal flooding across the Northeast.

In New Hampshire, coastal flood alerts were in place through Monday for some coastal counties.

Drone video shot by Henry Swenson in Hampton Beach showed significant flooding on Sunday. At high tide, multiple roads were closed throughout the town, according to the Hampton Police Department.

The same area was flooded in January by another powerful winter storm. 

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