Warm summerlike temperatures last week led many to put a premature end to winter in the Northeast, but a resurgence in chilly arctic air will keep spring on hold, at least for another couple of weeks.
This morning, residents across the mid-Atlantic and Northeast will awaken to a wintry mess on their driveways and lawns as a very cold storm system pushes across the east.
High pressure over Ontario is to blame for sending a northerly flow of cold air across much of the northern half of the country.
Snow amounts could be heavy across portions of the Poconos and the Catskills, with as much as a foot of heavy snow expected.
In the lower elevations, a general swath of 3-6 inches will accumulate across the southern tier of New York along with north-central and northeastern Pennsylvania.
Farther south across the remainder of central Pennsylvania, the Lehigh Valley and much of central and northern New Jersey, precipitation will fall as a variety of types. With low pressure passing just south of this region, a surge of milder air aloft will move overtop the low-level cold air, thereby, allowing the snow to mix with sleet and rain.
A slushy 1-3 inches of snow and sleet will occur across this area. There is also the potential from a prolonged period of sleet across central Pennsylvania and central New Jersey, which would reduce snow accumulations, but cause more significant ice issues.
Motorists on Interstate 95, I-80, I-81 and other major arteries across the region will have slow travel and should be prepared for icy conditions. In many areas, both the morning and evening commutes will be affected.
This storm system will shift into New England this afternoon and tonight bringing a general swath of 1-3 inches in southern New England and 3-6 inches in some of the higher terrain of northern Connecticut and western Massachusetts.
Over the next couple of weeks, AccuWeather.com meteorologists will be watching for a couple of smaller, faster-moving storms that could bring another shot of snow across these areas.
Tropical Depression 8 has formed east of the Carolinas and should strengthen into a tropical storm before impacting the coastal Carolinas early this week.
Despite struggling to do so last week, a tropical depression has developed just south of Florida and will turn toward the northeastern Gulf Coast of the United States this week.
Brief relief from heat and humidity will arrive in the northeastern United States at the start of September.
Typhoon Lionrock is poised to make landfall in Japan near Sendai early in the new week with heavy rainfall, damaging winds and an inundating storm surge.
Hawaii is facing two tropical threats this week as Madeline and Lester churn westward.
Slow-moving and repetitive downpours will raise the risk for flash flooding along the western Gulf Coast into early week.
Pennsylvania & New Jersey (1971)
Tropical Storm Doria caused severe floods in southeastern PA and NJ. Damage estimated at $138 million.
Colorado Springs, CO (1978)
Hail 6 inches deep.
Rochester, MN (1979)
2.73 inches of rain fell in 50 minutes making this the wettest August on record. (9.52 inches of rain so far this month). The heavy downpour flooded the streets of Rochester, stranding about 1,500 cars.