Temperatures dipped below freezing across parts of the Northeast's interior Sunday night as the coolest air mass thus far this season pushed into the region.
The widespread cold blast AccuWeather.com Expert Senior Meteorologist Alex Sosnowski warned about early last week has completed its journey from the Plains to the Northeast.
Once the sun set, temperatures began a chilly nosedive toward the freezing mark, even in parts of the Midwest and into Oklahoma and Texas
While the Northeast's Interstate 95 corridor also turned chilly overnight as well, temperatures did not dip out of the 40s in Boston, New York City, Philadelphia and Washington, D.C. Even the northern and western suburbs of these cities stayed just shy from any frost and freeze worthy temperatures.
A repeat of the widespread hard freeze endured by the northern and central Plains Saturday night, as expected, did not occur across the Northeast's interior Sunday night. Freezing temperatures were instead confined to the typically colder countryside and valley locations.
Many residents were concerned about frost killing tender fruits, vegetables and flowers overnight.
Frost will be covering your lawns Monday morning even if the lowest temperature on your thermometer is a few degrees above freezing.
Communities immediately downwind of the Great Lakes waters and far northern New England were also spared from the frost or freeze by a slight breeze and/or cloud cover.
Patchy fog from central New York to West Virginia also prevented temperatures in some communities from dropping below freezing, except in places where temperatures dipped below freezing before the fog set in.
While there was not much snow for much of the Northeast with the cold air this time, the AccuWeather.com Long-Range Meteorologists expect plenty of opportunities for snow this coming winter, especially for those from the mid-Atlantic to western Massachusetts.
Showers and thunderstorms will return to the Southwest late this week and could reach part of California.
A cold front swinging into the Northeast will bring the threat of severe weather to part of the region on Tuesday afternoon.
The southwest Gulf of Mexico has given birth to the Atlantic basin's fourth tropical storm of the season and will send torrential rain into northern Mexico.
Flooding is a concern across southwest Mexico through midweek as Norbert moves just offshore.
The Alaskan wood frog, which freezes itself during the harsh winter months, can remain in an extreme frozen state far longer than researchers originally thought.
An area of low pressure will bring a threat of heavy rain and flooding to parts of southern Europe through the middle of the week.
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