Detailed 6-Day Forecast

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By Quincy Vagell on January 24, 2013, 10:10am Last modified: January 24, 2013, 1:51pm

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Technical Discussion:

High pressure approaches from the west and will keep skies mostly clear throughout the day. Despite the sunshine, with 850mb temperatures still down around -20C, temperatures will struggle to break 20 in most areas. Without much in the way of clouds tonight and high pressure in the vicinity, it has the potential to be very cold. Dew-points forecast to be in the single digits below zero, but light winds may limit radiational cooling a bit. With that said, still expecting an average low near zero inland with many spots below zero. Even the shoreline should fall into the single digits.
The system for Friday night still does not look to be a big deal. The computer models waffled a bit early yesterday and came to a pretty solid consensus overnight. Still thinking anywhere from 0.01 to 0.1 inches of precip will yield a trace to 2 inches of snow. Virtually no model support for heavier amounts, so not expecting significant snowfall. Higher ratios, especially inland, should help with a "fluff" factor.
Skies are expected to clear for the weekend and with the Polar vortex lifting northward, a slow moderation in near-surface temperatures is in the forecast. Shoreline may make a run at freezing by Sunday, especially with a good deal of sunshine, but MOS keeps most areas in the mid-20's. Trended warmer than guidance for now given temperatures aloft for the time-being.
Another push of light precipitation is currently modeled for Monday night in the form of overrunning. Thermal profile looks cold enough for light snow and sleet. Later forecasts will need to monitor for timing and precip type, but the situation does not look significant.
Warming is expected by Tuesday and Wednesday as a storm system should pass to our northwest mid-week. 

Today: Mostly sunny, but staying cold. Highs in the upper teens to lower 20's.
Tonight: Mostly clear and very cold. Lows near zero inland, single digits on the shore.
Friday: Flurries and light snow after 5 p.m. Highs in the low to mid-20's.
---Expected snow accumulation: A trace to 2 inches state-wide.
Saturday: Skies becoming partly sunny. Highs in the mid to upper 20's.
Sunday: Mostly sunny, not as cold. Highs in the mid to upper 20's inland, lower 30's shore.
Monday: Clouds. A light wintry mix possible at night. Highs in the low to mid-30's.
Tuesday: Mostly cloudy and milder. Highs in the upper 30's to lower 40's.

Note: Inland temperatures are an average. Often times, outlying areas may be a few degrees cooler than the advertised temperature on the 6-day graphic.

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Quincy Vagell

Town: Marlborough, CT  

Reporting for WXedge since January 2012.

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