More Precipitation On the Way...

A look at the next system heading into our region this week.

While we are still shivering from the arctic blast that pushed into our region earlier today, yet another system is looking to hit us later in the work week. Here is a breakdown of what we are expecting for the next couple of days...

(REFER TO PANEL ABOVE)

Progressing into tomorrow, high pressure pushes in from the west and starts to influence our region. It will bring us a bit of a breather from the active weather pattern we have been seeing. Notice how snow lingers to our north on Tuesday, according to both the NAM and GFS (upper row).

By Wednesday, the high pressure system has settled well into our region (bottom row). Conditions are dry region wide. Areas of interest include the moisture showing up in southeast (both NAM and GFS) and the moisture stretching from the west into the Great Lakes region (NAM lower left).

(REFER TO PANEL ABOVE)

On Wednesday evening, the region remains dry; however, a brush of snow pushes across areas to our North. The GFS shows this snow band stretching slightly further south (right). I wouldn't be surprised if we saw a snow flurry or two popping up in the far northern extents of our region during this time period. Also, notice how the moisture from the south is starting to extend further northeastward and is inching closer to our region. This will bring us the next chance of precipitation...

(REFER TO ABOVE PANEL)

This is when we start to see some model disagreement. The NAM shows the precipitation well off to the west, just starting to touch far western Kentucky (far left). This precipitation is south of the 0 degree isotherm, which means that this will likely start as rain. However, the GFS shows quite a different story. By 4 PM, the GFS expects the precipitation to stretch well through Kentucky, with the 0 degree isotherm closer by (middle graphic). Thus, a rain/snow mix would fall in northeastern Kentucky. By 7 PM, the GFS expects the precipitation to touch West Virginia and would likely fall as snow with the O degree isotherm draped across southern West Virginia (far right).

There are still many timing differences with this next system. This has a huge impact on the type of precipitation we would see and the quantity. At this point, this system is not looking to make a huge impact on our region with minimal accumulations of snowfall possible.

One positive aspect of this southerly moisture flow is that temperatures will begin to moderate (due to the warmer air from the south mixing in). Temperatures for the weekend will approach 50°F!

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