Weather Edge for Friday, December 14, 2018

Rain chances will increase today and persist through much of the weekend with the approach and passage of a storm system. High pressure will return dry weather to the region through the first half of next week.

After an unusually pleasant day yesterday, we return to our normal dreary weather today. While I think the bulk of the day will remain cloudy, there may be a few instances of filtered sun this morning. The general trend is toward increasing cloudiness ahead of a low-pressure system approaching from the south. I can’t rule out a spotty shower at some point this afternoon and evening but generally, we can expect chances for rain to creep up as we get toward sunset this evening.

SIMULATED RADAR FROM THE NAM shows rain showers overspreading the east-central Ohio region at 4:00 AM Saturday. Widespread rain showers will continue through much of the day Saturday.

Despite the gloomy conditions today, temperatures will warm to the 50s this afternoon as warmer air gets pushed into the region.

Low pressure will continue to track into the Ohio Valley tonight and Saturday pretty much guaranteeing a rainy day tomorrow. The low will finally shift to the mid-Atlantic on Sunday which will bring decreasing odds for rain Sunday afternoon and evening.

While the weekend looks like a wet one, there is good news. Temperatures will be mild through the period, so all precipitation here will be in the form of rain. (No shoveling or scraping required.) All totaled, the area will end up with about a half to one inch of rainfall out of this system.

MONDAY THROUGH WEDNESDAY
Our low-pressure system will weaken as it continues to exit east Sunday night. Drier air will migrate from the west resulting in decreasing rain chances. A cold front will move through with little or no moisture here in east-central Ohio.

High pressure over the upper Midwest will begin to build on Monday bringing much drier air along with it. Clouds will thin and I expect we’ll see spotty sunshine Monday give way to mostly sunny and dry conditions by Tuesday and continue through Wednesday.

Temperatures will take a hit behind early Monday’s cold front, though. Temperatures will drop back to the upper 30s on Monday.

LATE WEEK
Surprisingly, modeling is in pretty good agreement with late week setup. The high that will bring dry and sunny weather to east-central Ohio through the mid week will shift to the Carolina Coast as low pressure moves into the southern Ontario area. There is disagreement regarding how much moisture will spread into our area so, for now, I’ve just included moderate chances for rain Thursday and Friday.

CHRISTMAS SNOW ODDS
I’ve mentioned in a couple of previous posts that chances for Christmas snow look pretty low. A quick look at the longer range continues to support that idea. I see very little that would make me change my mind about our prospects for a White Christmas.

 

 

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