Eastern Storm Packs Heavy Rain, Wind, Lake-Effect Snow
Posted on 12/08/2024
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A storm system tracking into the eastern states this week will pack a mix of wet, windy and snowy weather conditions depending on where you live. Heavy rain might trigger localized flooding, and a shot of chilly air that follows the storm will set the stage for a return of lake-effect snow.
Timing Out The Rain And Snowfall
Monday - Monday Night: An initial wave of moisture along this frontal system's warm front will wring out mostly nuisance rainfall in a bulk of the East as northern New England and northern New York see snowfall.
Tuesday - Tuesday Night: The Interstate 95 corridor should stay dry, but interior areas will see rain as a wave of low pressure on the cold front approaches.
Wednesday - Wednesday Night: The heaviest rain from this setup will unfold ahead of the cold front during this time along the Northeast coast, and it could be accompanied gusty winds. Colder air arriving behind the system might change rain to a brief period of snow in interior areas as lake-effect snow develops in the Great Lakes snowbelts.
You can see the general timing for the rain and snow in the following maps.
Where The Concern For Flooding Is Greatest
We expect much of the mid-Atlantic and Northeast to see its heaviest rain Wednesday and Wednesday night. That will help drought areas, but too much too fast might trigger flooding.
The greatest chance of at least localized flooding exists from Long Island to eastern New England.
Heavy rain falling on wet soils along with melting snowfall on the ground are the mix of ingredients that makes New England more vulnerable to some possible flooding.
How Much Rain, Snow To Expect
Much of the mid-Atlantic and Northeast could see at least an inch of rainfall from this setup. Parts of New York tri-state area and New England might see up to 3 inches. Snowfall will precede the heavy rain in northern New England, so that's why the map below doesn't show rain in those areas yet.
While some accumulating snow could impact interior areas of the Northeast as colder air arrives Wednesday and Wednesday night, the heaviest totals will be from lake-effect snow. Some Great Lakes snowbelts could pick up 6 to 12 inches of snow Wednesday through Thursday.
Chris Dolce has been a senior meteorologist with weather.com for over 10 years after beginning his career with The Weather Channel in the early 2000s.
Sign up for the Morning Brief email newsletter to get weekday updates from The Weather Channel and our meteorologists.
A storm system tracking into the eastern states this week will pack a mix of wet, windy and snowy weather conditions depending on where you live. Heavy rain might trigger localized flooding, and a shot of chilly air that follows the storm will set the stage for a return of lake-effect snow.
Timing Out The Rain And Snowfall
Monday - Monday Night: An initial wave of moisture along this frontal system's warm front will wring out mostly nuisance rainfall in a bulk of the East as northern New England and northern New York see snowfall.
Tuesday - Tuesday Night: The Interstate 95 corridor should stay dry, but interior areas will see rain as a wave of low pressure on the cold front approaches.
Wednesday - Wednesday Night: The heaviest rain from this setup will unfold ahead of the cold front during this time along the Northeast coast, and it could be accompanied gusty winds. Colder air arriving behind the system might change rain to a brief period of snow in interior areas as lake-effect snow develops in the Great Lakes snowbelts.
You can see the general timing for the rain and snow in the following maps.
Where The Concern For Flooding Is Greatest
We expect much of the mid-Atlantic and Northeast to see its heaviest rain Wednesday and Wednesday night. That will help drought areas, but too much too fast might trigger flooding.
The greatest chance of at least localized flooding exists from Long Island to eastern New England.
Heavy rain falling on wet soils along with melting snowfall on the ground are the mix of ingredients that makes New England more vulnerable to some possible flooding.
How Much Rain, Snow To Expect
Much of the mid-Atlantic and Northeast could see at least an inch of rainfall from this setup. Parts of New York tri-state area and New England might see up to 3 inches. Snowfall will precede the heavy rain in northern New England, so that's why the map below doesn't show rain in those areas yet.
While some accumulating snow could impact interior areas of the Northeast as colder air arrives Wednesday and Wednesday night, the heaviest totals will be from lake-effect snow. Some Great Lakes snowbelts could pick up 6 to 12 inches of snow Wednesday through Thursday.
Chris Dolce has been a senior meteorologist with weather.com for over 10 years after beginning his career with The Weather Channel in the early 2000s.
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