LocalSYR

A Cold President's Day

<B>(Monday Afternoon February 18, 2013)</B> Winds are easing a bit this President’s Day afternoon so wind chills won’t be the issue they were earlier in the day. Expect any early flurries to end close to the Lake Ontario shoreline with a mix of clouds and sun for the remainder of the day.

On this morning’s weather map, a ridge of high pressure extends from the Southeast United States north through to southern Canada.  Meanwhile, a complex frontal boundary and low pressure system is evident over the mid-section of the country.  Over the next 24 hours, high pressure is forecast to move off the Eastern Seaboard as the aforementioned frontal boundary moves east from the middle part of the country. 

High pressure that is building through central New York is allowing our winds to ease a bit.  Wind chills will be less of an issue this afternoon.  With sunshine our temperatures will only manage to make it into the mid 20s but the lighter winds will make it feel warmer.

As the weather system to our west moves east and closer to the region, a south to southeast breeze will increase later tonight.  As a result, temperatures will rise from evening lows to near 30 by sunrise tomorrow.  Additionally, clouds will thicken with rain and snow developing during the late morning or early afternoon hours.  With temperatures expected to above freezing and precipitation light, we’re expecting little or no snow accumulation.  In fact, it’s likely the high temperatures close in or even exceed 40 degrees tomorrow, resulting in plain rain for many areas.

Once the frontal system passes to our east, colder air will filter back into Central New York, changing any leftover rain/snow to all snow before ending Tuesday evening.  Even colder air will eventually arrive Wednesday on the heels of brisk west winds.  This will result in lake effect flurries and squalls east of Lake Ontario and north of Syracuse.  However, winds are forecast to shift into the northwest later in the day and bring lake effect snow showers/squalls into the Syracuse area later in the day or evening.

Flurries and snow showers should ease or end early Thursday with highs struggling to reach the lower to mid 20s.  Milder weather should arrive Friday and for the upcoming weekend.  However, the arrival of the milder air will coincide with a weak area of low pressure which may bring some light snow or mixed precipitation Saturday and/or Sunday.

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