The heaviest cold spell in early November for more than a century has hit the East Coast, where record low temperatures were set Wednesday in most population centers tomorrow.
Temperatures of 20 to 30 degrees below normal cover much of the nation's eastern third. On Wednesday morning, records were set from Texas to Maine about low temperatures, which led to more than 100 . Other cold records were set on Monday and Tuesday in the plains, Midwest and Tennessee and Ohio valleys. Weather.com reports that at least 300 records have fallen since the cold hit the Lower 48 on Sunday.
More records for record highs were forecast on Wednesday afternoon.
The Weather Service described the intensity of the cold as "comparable to the & # 39; Blue North & # 39; from 1911 "at which temperatures plummeted from nearly 80 to teenagers and 20 years the same day in some areas. Much of the eastern United States experienced colder weather than parts of Alaska on Wednesday morning when the jet stream – which separates cold and warm air – surged. And more than 75 percent of US states in the lower 48 states experienced minus temperatures.
The cold penetrated as far as the Gulf Coast, where the cold air over the warm water led to a cloud of smoke.
Pensacola, Fla. Set a record low at 29 degrees – 42 degrees colder than the adjacent water temperature on the Gulf of Mexico .
Temperatures dropped to 13 degrees in Central Alabama where record lows were widespread. Weather.com found that many low south temperatures were colder than last winter.
In the Appalachian Mountains temperatures dropped even to the mid-south to single-digit numbers -Atlantic. Snowshoe and Canaan Valley, ski resorts in West Virginia, dropped to 1 and 2 degrees. Mount Mitchell, N.C., also dropped to just 1 degree. And on Mount Washington, NH, the mercury dropped to minus 17, a record low for that date, and the fourth coldest recorded temperature in November at peak.
Also the temperatures were impressively low in big cities. Under those record lows Wednesday morning? Atlantic City; Birmingham, Ala .; Buffalo; Burlington, Vt .; Charleston, S. C .; Cincinnati; Cleveland; Columbus, Ohio; Detroit; Indianapolis; Small stone; Memphis; New York; Philadelphia; Pittsburgh; Providence, R.I .; Rochester, N.Y. South Bend, Indiana, and Syracuse, Indiana, USA.
Here are some particularly notable milestones for the cold since Tuesday:
- Chicago posted highs and lows at 17 and 7 degrees Celsius on Tuesday. These high and low temperatures were both the coldest ever measured in the season.
- Milwaukee's high of 19 degrees on Tuesday was the coldest in the season .
- Nashville set a record low of 17th Wednesday morning, after a high of just 29 on Tuesday, the coldest high ever this season.
- The 23-degree New York low on Wednesday morning was the third record low in the past week. Tuesday hit a record low of 25 and reached a record low of 29 on Friday.
The cold was not limited to the lower 48, but also to the cool eastern Canada, where numerous record lows (about 5 degrees Fahrenheit) were recorded minus-15 degrees Celsius) were discontinued on Wednesday morning:
Unusually cold weather prevails over much of November in the zone from the west to the northeast. An index that classifies the severity of winter conditions based on snow and cold as "extreme".
Some of the cities that weather these extreme winter conditions are Buffalo; Detroit; Louisville, Nashville, Milwaukee, Chicago, Kansas City, Kan., Des Moines, Minneapolis, Denver and Boise, Idaho.
While the intensity of cold weather is expected to ease somewhat in the coming days, temperatures remain below normal over the eastern half of the nation through the weekend.
A milder weather regime can take hold around the second half of next week.