Another Wintry Mix on the Way

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By Quincy Vagell on February 25, 2013, 4:00pm Last modified: February 26, 2013, 3:45pm

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Another round of snow, sleet, freezing rain and rain is in the forecast across Connecticut late Tuesday night into the day on Wednesday.

Tuesday: Clouds increase, but the day stays dry. Highs in the lower 40's.
Tuesday night: A wintry mix develops around midnight with mostly rain on the shore.
Overnight: Snow and ice inland eventually changes to mainly rain by daybreak.
Wednesday:Early rain tapers to occasional showers. Highs in the mid-30's to mid-40's.

---Icy spots are possible for Wednesday's morning commute in the NW and NE hills.

As low pressure moves towards the Ohio Valley, clouds increase across Connecticut during the day on Tuesday. A second area of low pressure is forecast to form across the mid-Atlantic region overnight into Wednesday morning. With high pressure near Maine, cold air is expected to be locked into southern New England. The computer models show some similarity with at least a period of snow/ice across inland Connecticut. The NAM is the coldest, as it shows accumulating snow right down to about I-95. Inland, the Euro, GFS and NAM all show the potential for 6" of snow across northern Litchfield County.
The trouble is that temperatures from the surface and 850mb are progged to be very close to the freezing mark. The difference between this system and the one from this weekend is that high pressure is in a slightly "better" position. This means that more cold air could remain locked in near the surface. However, with a sharp gradient of temperatures and marginal readings at that, more models have to be reviewed before more exact details can be nailed down.

At this point, the potential exists for accumulating snow, changing over to ice, mainly across northwestern and northeastern Connecticut. The shoreline should see mainly rain, but it's the battle-zone of interior southern and central Connecticut that is going to be in that transition zone.

More details on the exact timing and types of precipitation to expect will be released as the event gets closer.

Stay tuned to as the latest data is continuously being monitored.

Here's a look at hi-res Canadian model for precipitation early Wednesday morning:

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Quincy Vagell

Town: Marlborough, CT  

Reporting for WXedge since January 2012.

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