Lake-effect snow finally starts to die down early this morning, but the frigid cold that helped usher it in is here to stay. However, the main story on everyone’s mind is the upcoming winter storm that will drop heavy snow and ice across the Midwest and Mid-Atlantic this weekend.

Welcome to the Friday edition of your Morning Briefing, where we’ll give you a quick rundown on everything you need to know weather-wise, every weekday morning. Let’s begin.

Lingering Lake-Effect Snow:

  1. It’s probably lucky that most of the Northeast won’t see snow with this upcoming storm due to the widespread lake-effect snow that has been falling over the region for the last few days.
  2. This snowfall will finally come to an end this morning, with a few lingering showers downwind of Lakes Erie and Ontario expected until the afternoon.
  3. From Wednesday night, over a foot has fallen over some parts of the region. Despite being mostly light to moderate snowfall, continuous waves have managed to cover most of Upstate NY and the surrounding areas.
  4. Little to no additional accumulations are expected, but melting will be slow due to lingering sub-freezing temperatures into next week.

Weekend Storm Update:

  1. The low pressure system that will become our big weekend storm will finally begin to develop today over the Southwest US this afternoon. Throughout the weekend, it will move across the Central Plains, Midwest, and Mid-Atlantic before finally being pushed back out to sea.
  2. The heaviest snowfall will occur overnight Friday into Saturday centered around the Central Mississippi and Ohio Valleys. Here, totals can be expected up to 15″, causing hazardous road and travel conditions.
  3. Along the border of snow and rain, ice is also expected to fall. Only small accumulations are expected over most regions, but NC and VA will see some significant icing up to 0.25″ Saturday into Sunday.
  4. Freezing rain could not only make roads slippery, but also increase chances for power outages. Super-cooled water sticking to tree branches and power lines could weigh them down enough to fall, causing widespread outages. Although icing is not expected to be this significant, it is important to know the possible dangers.
  5. Strong high pressure will keep the system from moving north into New England, but Philly and NYC could see a few inches of snow by Sunday evening.

Lasting Cold Up and Down the East Coast:

  1. Early this morning, temperatures across the Eastern Seaboard will be noticeably chillier at 5-15 degrees below average. Wind chills will make some places further north feel sub-zero.
  2. Freezing temperatures have reached so far south that frost advisories have been issued over northern FL. Although most temperatures this far south won’t reach below freezing, they will still remain well below average for this time of year.
  3. Dominating high pressure will keep this cold air in place over much of the coast until early next week.

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Author

Kathleen is a Meteorologist at WeatherOptics, where she works writing content for the website, providing accurate and detailed forecasts to clients, and consulting on various meteorological projects. Kathleen earned her B.S. in Atmospheric and Oceanic Sciences in 2018 from Stony Brook University. Kathleen has also done research into our changing climate by investigating theRole of Atmospheric Rivers on Arctic Amplification in 2017.

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