Detailed 6-Day Forecast

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By Quincy Vagell on February 26, 2013, 10:10am Last modified: February 26, 2013, 3:46pm

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Technical Discussion:
High pressure hangs on across Maine as a double-barreled low pressure system is moving into the mid-Atlantic region. The computer models have come into better agreement and although a wintry mix is in the forecast, snow/ice accumulations in most areas do not look significant.
Precipitation begins around midnight, mainly in the form of rain along the shoreline with a snow, sleet, graupel-mix inland. Temperatures are very marginal throughout the column, so it's very possible that most areas do not receive any accumulation. However, given the model consensus, do believe the northern hills have a shot at a few inches.
By the time precipitation changes to rain, the northern hills could see 1 to 3 inches of snow, with perhaps 4" across the highest terrain of northern Litchfield County. A brief period of freezing rain is possible, mainly NW of I-84.
Most, if not all of the state should be above freezing by 7 a.m. Wednesday.  

To break down snowfall by model...
Euro: 1-4" for northern Litchfield County, less than 1" all other areas.
RGEM: 1-4" NW and NE hills, near 6" northern Litchfield County, less than 1" elsewhere.
GFS: 1-4" NW of I-84, less than 1" other areas.
NAM: 1-3" NW and NE hills, except 3-7" northern Litchfield County. Under 1" elsewhere.

Rain showers and breezy conditions linger into Wednesday morning, but improving conditions are expected through the day. A few residual rain showers could swing through during the evening hours.
Low pressure passes overhead and advances east on Thursday. A few sprinkles and areas of drizzle possible during the day and models indicate the potential for a light snow or a mix of light rain/snow Thursday night. With marginal temperatures and relatively light precipitation amounts, this should not be a big deal.
Conditions begin to clear out on Friday and the weekend looks dry and seasonable.
A large-scale trough moves through the East Coast for the weekend. Low pressure may form, but most data points towards any storm passing south and east of the area. If anything, some clouds may back into the area.

Tuesday: Increasing clouds. Highs in the low to mid-40's.
Tonight: Wintry mix changes to rain inland. Mainly rain coast. Lows in the low to mid-30's.
---Possible snow accumulation: 1-3" NE hills, 1-4" NW hills, little or no snow elsewhere.
Wednesday: Rain, mainly in the morning, breezy. Highs near 40 inland, mid-40's shore.
Thursday: Areas of drizzle, light rain/snow possible at night. Highs in the mid-40's.
Friday: Clouds give way to sunshine. Highs in the low to mid-40's.
Saturday: Partly sunny skies, seasonable. Highs in the lower 40's.
Sunday: Partly Cloudy. Highs around 40 inland to the lower 40's at the shore.

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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