Winter storm watch posted for the Midlands

What to do now. It's never too early to prepare.

COLUMBIA (WACH) -- Another round of winter weather is in store for the Midlands.

We expect a winter weather event to begin late Tuesday and last until Thursday morning.

A Winter Storm Watch will go into effect Tuesday at 7 p.m. and last until 10 a.m. Thursday.

An cold air damming scenerio will set-up Monday night into Tuesday morning. We expect rain to start, perhaps mixing with snow in the northern Midlands. No significant accumulations are expected Monday night.

Tuesday afternoon/evening we should see the rain mixing with sleet in the central Midlands.

The depth of the cold air will determine what precipiation type we will see. A couple of miles can make a huge difference in what you will see.

An area of low pressure will sweep up from the Gulf crossing near the coast of South Carolina. The precipitation will turn to sleet/freezing rain, then freezing rain early Wednesday morning.

We could see temperatures rise slightly above freezing on Wednesday during the day, before dropping back below freezing during the evening.

The precipitation should move out of the area by Thursday morning.

The highest confidence forecast is for the northern Midlands. We expect 2-4" of snow there, before it turns to freezing rain/sleet. In the central Midlands, some isn't out of the question, but the ice accumulations are the bigger deal.

We could see 0.50" to 0.75" of ice accumulation before it's all said and done on Thursday. It should be noted that some computer models have higher totals.

This will lead to significant travel disruptions along the I-20 corridor. We could see power outages as a result of the ice build up on trees and power lines.

We will have a better handle on things when the morning model runs come in later today. This forecast could and most likely will change.

Go ahead and get things in order today. It's never to early to prepare.

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