Oak Ridge Today

Aurora may be visible in sky

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Screenshot from National Weather Service Space Weather Prediction Center

It appears that the chances are low in Tennessee, but an aurora may be visible in the sky over the northern half of the country this weekend, and possibly as far south as Alabama.

The National Weather Service Space Weather Prediction Center has issued a watch for a severe geomagnetic storm, saying it is possible later in the day Friday and continuing through the weekend. At least seven Earth-directed coronal mass ejections are in transit, the NWS said.

However, “exact timing remains somewhat uncertain,” forecasters said.

A coronal mass ejection is a solar eruption. When the solar materials arrive at Earth, a geomagnetic storm can result.

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Tornado watch through early Wednesday

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Image courtesy National Weather Service in Morristown

A tornado watch is in effect in the area through early Wednesday, and strong to severe thunderstorms are possible, according to the National Weather Service in Morristown.

The NWS Storm Prediction Center in Norman, Oklahoma, said a severe weather outbreak is possible through Tuesday evening over the Ohio Valley, with the broader severe weather risk including parts of the Southeast.

“Strong and potentially long-track tornadoes are possible from Indiana and Ohio southward into the Mid South,” the Storm Prediction Center said. “A threat for strong tornadoes may focus this evening into tonight across parts of Alabama and Georgia.”

The region’s tornado watch is in effect until 2 a.m. Wednesday, and it includes Anderson, Campbell, Knox, Loudon, Morgan, Roane, Scott, and Union counties, among others. Oak Ridge is in Anderson and Roane counties.

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Winter weather: Closings, cancellations, delays

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Photos courtesy Oak Ridge Schools/ Isaac Walton, transportation supervisor, and Allen Thacker, supervisor of maintenance and operations

Oak Ridge Schools will be closed again on Monday due to unsafe road conditions, and City of Oak Ridge offices will open three hours late.

The schools were closed four days after the holiday last week due to the winter weather, as were many other schools, offices, and businesses. Some roads were also briefly closed. The winter weather has included more than eight inches of snow, freezing temperatures, below-zero wind chills, and slippery roads and sidewalks.

On Sunday, the Oak Ridge Police Department and City of Oak Ridge said many roadways were still very icy despite being treated and plowed.

“Conditions are expected to worsen once the sun goes down,” they said. “Stay home, if possible.”

The schools said temperatures are projected to warm on Monday.

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Wind chill advisory issued

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Image courtesy National Weather Service in Morristown

Cold temperatures and wind chills below zero are expected Friday night into Saturday morning, according to the National Weather Service in Morristown.

The NWS issued a wind chill advisory starting 11 p.m. Friday and continuing through noon Saturday.

Temperatures were forecast to continue to fall quickly with most places in the single digits by Saturday morning.

“Below 0 wind chills are also expected late tonight (Friday night) through Saturday with most places barely reaching 20 degrees on Saturday,” the NWS said. “Temperatures Saturday night will fall to near or even below 0 in most places. A warming trend will follow into next week.”

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Freezing rain affects roads

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Rutgers Avenue is pictured above near Walmart early Friday morning, Jan. 19, 2024. (Photo by John Huotari/Oak Ridge Today)

Freezing rain Thursday night affected roads in the region, and crashes, road closures, and icy roads were reported.

The Oak Ridge Police Department said the rain had turned most roads to ice.

“We advise that you do not travel as conditions may worsen throughout the night,” the ORPD said about 10 p.m. Thursday.

Friday morning, the department said police officers had responded to several weather-related crashes.

“The roads have had minor improvements,” the ORPD said. “However, there are still a large amount of troubled areas.”

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Wind chills expected below zero

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Image courtesy National Weather Service in Morristown

Wind chills below zero are expected through Tuesday night through noon Wednesday, according to the National Weather Service in Morristown.

A wind chill advisory went into effect at 5 p.m. Tuesday and will continue until lunchtime Wednesday.

The low Tuesday night is forecast at 1 degree Fahrenheit, with a wind around 5 miles per hour and wind chill values between -2 and -7.

The high on Wednesday is supposed to be near 28 with wind chill values between -8 and 2.

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Roads, schools, businesses closed after heavy snow

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A snowplow works around Methodist Medical Center on Oak Ridge Turnpike during heavy snow on Monday, Jan. 15, 2024. (Photo by John Huotari/Oak Ridge Today)

Roads, schools, and businesses closed as snow fell for hours in Oak Ridge. The snow began about 8:30 p.m. Sunday, and snow continued to fall at about 6 p.m. Monday.

Oak Ridge Today measured almost seven inches of snow at about 5 p.m. Monday. The National Weather Service in Morristown had forecast between four to six and six to eight inches of snow in the Oak Ridge and Clinton areas.

“Very cold air is moving in across the region with sub-freezing temperatures continuing through Thursday,” the National Weather Service said. “Temperatures Tuesday night will be around zero!”

Roads, even main streets like Oak Ridge Turnpike, had a thick layer of snow on them, with a wet, slippery surface underneath. Traffic was light when normally it would be heavy, and most drivers drove slowly and cautiously, with some turning on their hazard lights.

“With significant snow accumulations across much of the area and very cold temperatures, hazardous travel conditions may develop,” the NWS said. “Avoid travel, but if you must, use caution.”

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NWS: Dangerous wind chills possible

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Image courtesy National Weather Service in Morristown

Dangerous wind chills are possible from Thursday to Saturday, according to the National Weather Service in Morristown.

The temperature could drop to 11 degrees Fahrenheit on Thursday night, 5 degrees on Friday night, and 9 degrees on Saturday night, according to the NWS forecast for Oak Ridge.

And there could be wind gusts of up to 20-30 miles per hour between Thursday night and Saturday, the Oak Ridge forecast said, making the outside air temperature feel even colder.

Wind chills in the area between Knoxville and Kingston could range between -10 and -12 from Friday morning to mid-Saturday, the NWS said.

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Snow falls in Oak Ridge

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Pembroke Road in the Woodland neighborhood is pictured after more than an inch of snow fell in Oak Ridge on Sunday, Jan. 16, 2022. (Photo by John Huotari/Oak Ridge Today)

More than an inch of snow fell in Oak Ridge on Sunday.

The snow started falling at about 1 p.m. Sunday and continued until about 9. Oak Ridge Today measured close to 1.5 inches of snow in central Oak Ridge.

Northwestern Avenue in the Woodland neighborhood is pictured after more than an inch of snow fell in Oak Ridge on Sunday, Jan. 16, 2022. (Photo by John Huotari/Oak Ridge Today)

Some side streets were still snow covered at about 10 p.m. Sunday, but heavily traveled roads and main roads such as South Illinois Avenue were mostly clear except for some slush. That raised the possibility that some surfaces might freeze overnight with the low forecast around 26 degrees Fahrenheit.

There is a 40% chance of snow in the Oak Ridge area before 2 a.m. Monday, according to the National Weather Service in Morristown.

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NWS issues winter storm warning

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This map by the National Weather Service in Morristown shows a snowfall forecast between Sunday morning, Jan. 16, and Monday morning, Jan. 17, 2022.

A winter storm warning is in effect for Anderson, Campbell, Morgan, and Scott counties.

The National Weather Service in Morristown issued the winter storm warning Sunday morning, and it is in effect through Monday morning.

Heavy snow is expected, with between 1 to 5 inches of snow possible and 6 to 9 inches at the highest elevations.

“Travel could be very difficult,” the NWS said. “The hazardous conditions could impact the morning commute.”

You can get the latest road conditions by calling 511. “If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency,” the NWS said.

The Oak Ridge forecast calls for rain before noon, then rain and snow between noon and 4 p.m., with snow after 4 p.m. The temperature will fall to around 32 degrees Fahrenheit by 4 p.m., the NWS said. The chance of precipitation is 90%. Close to an inch of snow is possible, forecasters said.

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Snow, cold likely, NWS says

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Image courtesy National Weather Service in Morristown

Snow and cold temperatures are likely in Oak Ridge on Thursday, the National Weather Service in Morristown said, and many schools in the area, including in Oak Ridge, are closed.

Here is the NWS forecast for the Oak Ridge area on Thursday, when the high is expected to be 36 degrees Fahrenheit, with a mostly cloudy sky and a wintry mix of precipitation:

  • Rain, snow, and sleet before 4 p.m. Thursday.
  • Rain between 4 and 5 p.m.
  • Rain and snow after 5 p.m.

The chance of precipitation is 100%, but the Weather Service does not expect much snow or sleet to accumulate. The NWS said it has “moderate confidence in the start time for snow since minor changes in temperature can affect when rain turns to snow.”

But this evening, there could be one to two inches of snow that accumulate, the NWS said. Snow is likely mainly before 8 p.m., the forecast said. The chance of precipitation is 60%.

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Snow possible in Oak Ridge

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Image courtesy National Weather Service in Morristown

One to two inches of snow are possible in Oak Ridge early Monday, according to the National Weather Service in Morristown.

A significant snowstorm is expected late Sunday night and Monday morning, the NWS said.

“Heavy snowfall rates can be expected early Monday morning that will limit visibilities to near zero at times,” the Weather Service said.

More snow is expected in other areas, especially to the north and east of Oak Ridge, with six to eight inches expected in the Gatlinburg area and four to six inches in Greeneville and Johnson City.

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