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WEATHER BLOG: Damp

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timwilliams

The forecast Sunday morning is essentially an update of previous forecast packages through the next few days… cloudy with times of rain over the next few days before skies eventually clear on Wednesday. That said, there are two defined periods of precipitation that we can focus on — the first being Sunday as a wave of low pressure moves by to our south along the warm front in place. That said, the precipitation will still be relatively light. Milder air will work its way northward and temperatures will gradually rise into the lower and middle 50s.

The aforementioned wave will move by overnight with rain becoming more showery as it passes, but little in the way of clearing can be expected Monday as a second area of low pressure taking shape over the Ohio Valley heads northeastward. With the front lingering over the region, clouds will remain and temperatures will be about the same, but with the surface low well to the southwest and the upper-level trough supporting it over the Midwest not much rainfall is expected.

This changes Monday night as the low passes across the region. The rain is not expected to be overly heavy, but upwards of a half-inch to an inch is certainly possible. Tuesday will feature a wealth of clouds and a little rain once more as the trailing upper-level trough swings through… but clearing is finally expected to commence Tuesday night into Wednesday as drier air punches in. A change to our previous thinking comes with regard to temperatures Wednesday and Thursday as model guidance is coming around to a consensus regarding the next storm system of note. It would now appear that upper-level ridging will build in more strongly for the midweek period as the trough over the center of the country amplifies. This will spell warmer weather before a sharp cold front passes through Thursday night into Friday. For now we’ll leave numbers alone for Friday — but it very easily could be a falling temps day. Cooler for the weekend before Christmas… but will it stick around?

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