Some light rain or snow to start the weekend

Some light rain or snow to start the weekend

<B>(Friday Evening February 22, 2013)</B> Some light precipitation will move through central New York tonight. This evening it will be mainly snow but overnight there could be a light wintry mix. On Saturday, there will be rain and snow showers to contend with going over to all snow Saturday night.
An area of low pressure that’s been making weather headlines over the middle of country is weakening as it heads northeast into the Great Lakes tonight. Although this system is far away from central New York, it will spread moisture our way resulting in a mix of rain and snow showers for us tonight into the day Saturday.

By later Saturday, a new area of low pressure will form just off from New York City.  This will cause precipitation to increase across New England where a significant snow is possible.  Central New York will be on the fringe of this system Saturday night which means a period of steady snow as we cool.  However, we don’t think there will much accumulation.

Low pressure will move off the Northeast coast on Sunday but we’ll be left with a persistent west-northwesterly moist flow here in central New York.  This will cause some minor lake effect snow showers to fall throughout the day.  With temperatures above freezing it will be tough to get any additional accumulation of snow.

A break is expected for us Monday as we will be between storm systems.  By that point, however, we’ll be watching the next system (another area of low pressure) pulling out of the middle of the country.  This system will tap into the Gulf of Mexico so it should have plenty of moisture to work with and will track up through the Appalachians Tuesday into Wednesday.  This will make the precipitation type forecast tricky as temperatures will be just a bit above freezing. 

By the middle of the week, the jet stream over North America will be evolving into a blocked pattern.  That means once low pressure makes it into the Northeast it will not be in any hurry to leave.  That means you can expect an unsettled pattern over the Northeast and central New York right into the start of March.
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