Cold air is spreading south by way of the Lower 48 and the place freezing temperatures meet Gulf of Mexico moisture, a major and extended icing occasion is anticipated.
THE SETUP
Mild and muggy air from the Gulf of Mexico will journey up and over chilly, dense air alongside a boundary from Texas to the Mid-Atlantic. Although the precipitation will initially fall from the clouds as snowflakes, this heat layer of air will trigger the flakes to soften. Those raindrops will then fall right into a shallow layer of freezing air earlier than reaching the floor. Where this layer is thick sufficient for the drops to partially or totally re-freeze, sleet (small ice pellets) might accumulate however the place the layer is just too skinny for the liquid to solidify, these drops will freeze on contact with surfaces. This known as freezing rain.
It’s all about that temperature profile. In this case, floor temperatures are effectively beneath freezing, however with a heat nostril of air in the 850 MB layer of the environment (about 5000 ft above the floor), temperatures are above freezing. This will result in the case of freezing rain or sleet.
POTENTIAL IMPACTS
Freezing rain can create a glaze of ice on roads, making for slick driving circumstances. That ice can even accumulate on timber and energy traces main to break to infrastructure and energy outages from the weight of the ice. Alerts are in impact from Texas by way of the Mid-Mississippi Valley in anticipation of impacts from this occasion.
TIMING
Multiple vitality waves will journey alongside the boundary from Texas to Kentucky by way of midweek. Each batch of precipitation will carry the potential for extra impacts so please plan your travels accordingly and attempt to not be on the roads when the worst climate is impacting your space. Freezing drizzle and gentle snow is feasible tonight for elements of Arkansas, Missouri, Illinois Indiana, and Kentucky.
Monday
The first wave of moisture spreads from Texas and Oklahoma in the morning to Missouri and Arkansas by way of the afternoon. The precipitation will start in elements of Tennessee, Illinois, Indiana and Kentucky after sundown Monday night and grow to be extra widespread in a single day. This first wave will have an effect on the Mid-Atlantic on Tuesday.
Tuesday
The second wave of vitality might carry extra widespread impacts to Texas and Oklahoma starting early Tuesday morning. The precipitation spreads into Arkansas late morning and reaches Tennessee in the afternoon. However, it seems that moisture could linger throughout elements of the Lone Star state into the night so ice could also be a problem in some places for portion of the day. The environment will reload and a 3rd wave of vitality is anticipated to develop in Texas in a single day Tuesday night time into Wednesday morning. Check again for updates to the forecast!
On Wednesday morning, check out the widespread icing in the forecast in north Texas. But a few of this expands all the approach out by way of Tennessee.
You can all the time catch your Central Regional Forecast at :30 previous the hour on WeatherNation!
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