Category: Winter Storm

VIDEO: Short-Term Update On Tonight’s Sleet And Freezing Rain…

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Client Brief: Heavy Snow Bands Return Into The Overnight…

Type: Impactful Wintry Weather

This evening’s mesoscale analysis reflects a blossoming area of snow across MO into IL that will move east across central Indiana during the overnight.

What: Accumulating snow; mixed wintry precipitation

When: This evening into Tuesday morning

Temperatures: Lower to middle 30s, falling into the middle 20s Tuesday morning

Wind: Northeast shifting to the northwest Tuesday morning

Blowing/ Drifting: Minimal

Pavement Impacts: Plowing and salting will be required.

Our ongoing snowfall forecast from last night remains unchanged. Please note these are storm total snowfall amounts by Tuesday morning.

“Round 2″ is underway and we actually believe the overall snow shield will become more expansive with time through the late evening and overnight hours. Within this growing snow shield, embedded banding is expected that will include moderate to heavy snowfall rates. This continues to look like an I-70 special with respect to heaviest totals (7″ to 11″ range for storm totals). On either side of that heaviest snow zone, 4″ to 7” can be expected. On the north side, this is due to lighter intensity of snow (both with Part 1 and Part 2) and mixing issues on the south side.

Snow will exit the city just before daybreak, and southeast Indiana between 8a and 9a. Winds will shift to the northwest and an overall colder day is expected Tuesday, but at least we won’t have to worry about additional snow once past daybreak.

Cold air reinforcements will blow into town Wednesday with a couple snow showers across east-central Indiana. The bigger deal will be the cold, including temperatures that will remain stuck in the middle 20s through the daytime hours. Add in a stiff breeze and wind chill values will be in the 10s.

Confidence: High

Next Update: Tuesday morning

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VIDEO: Heavy Snow Returns This Afternoon; Intense Banding Expected…

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Time For The Heavy Equipment: Localized Storm Totals Approach One Foot By The Time All Is Said And Done…

High resolution guidance started to show the snowier solutions earlier this evening and that trend has continued this evening. The consistency is great to see, but we also notice a couple of interesting elements “upstream” that will likely ultimately end up producing a memorable mid-December snow storm across central Indiana by the time all is said and done.

Before we talk specifics, here’s our updated snowfall forecast. Please note, this is expected total snowfall by daybreak Tuesday morning. We wouldn’t be shocked to hear of localized one foot amounts along the I-70 corridor.

Periods of heavy snow will come to an end during the overnight. We think by 3a to 4a, most of the snow from “round 1″ will be to our east and we’ll be left with clean up duties before a Monday morning rush that will likely still be heavily impacted. By the time the 1st round is finished, most of the I-70 corridor will be shoveling and plowing away 4″ to 6” of wet snow.

We’ll then get into the expected lull in the action through a good chunk of the daytime Monday. That said, curious eyes will be focused in on south-central MO mid-to-late morning as precipitation blossoms in response to a strengthening surface wave that will move northeast out of the Ark-la-tex and into the TN Valley tomorrow night.

Precipitation will expand in coverage and intensity yet again tomorrow morning to our southwest.

This will promote an expanding shield of moderate to heavy precipitation moving northeast and overspreading central Indiana by mid afternoon Monday. For us here across central Indiana, this will fall as snow.

Heavy snow will return to the I-70 corridor Monday afternoon.

If you don’t have to travel tomorrow, we’d recommend staying home and off the roads. While conditions will improve late morning into early afternoon, travel conditions will go downhill in significant fashion by 3p to 4p Monday across central Indiana- including the metro.

Periods of snow, heavy at times, will continue into the overnight before pushing off to the east before sunrise Tuesday. By that time, the heart of central Indiana will be cleaning up from a double digit and most memorable mid-December snow storm.

Periods of snow will continue into the overnight Monday.

We’ll be left with colder, but generally dry conditions Tuesday. Temperatures will remain below freezing through the day, but the majority of the region won’t be dealing with any additional snowfall after sunrise…

Gas up that snowblower! Next update will come early in the AM.

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Heavy Snow Tonight: Timing Out “Part 2” Monday And Looking Closer At The Late Month Pattern…

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