Mixed Bag of Weather Ahead

After one of the warmest December's on record, the year closes out on a colder and perhaps wintry note.

The cold front that crossed our region on Friday morning brought a merciful end to one of the warmer stretches of December on record for Philly. The first three weeks of this month have been the warmest we've seen since 2001, which was a winter that we can largely care to forget.

The good news for cold and snow lovers is that the upcoming week of weather will feature a couple of snow chances and perhaps the region's first Christmas snowfall in a while. Temperatures will also be much more typical for late December although the cold will not be record shattering or even arctic-like in nature. Instead of 50s and 60s, highs will be in the 30s and 40s for the next week.

The first of two potential snow events will be on Christmas Eve – this is a relatively modest storm system compared to the larger storm that looms for later next week. As it stands now, the track of this storm is close enough to the region that precipitation could fall either as rain or snow, with better chances of snow the farther north and northwest one goes. If you're travelling to the Poconos or the Lehigh Valley, a few inches of snow are possible on Christmas Eve night.

In the burbs as of when I'm writing this article (Saturday morning), it's a fence-straddle... temperatures will be right on the fence for rain or snow depending on exact track as low pressure will track very close to the region. It won't be a big storm by any stretch, but be forewarned that there's a chance for a little bit of snow. If we do end up in the "all snow" department, some spots could end up with three or four inches.  The closer one is to the city, the greater the likelihood for a chilled rain.

After this first system, a second and larger storm will head towards the region for Wednesday afternoon through early Thursday. This second storm will have more moisture to work with than the Christmas Eve system and will also be stronger. A mixed bag of precipitation is expected over the Mid Atlantic, with snow more likely across the Poconos and Central Pennsylvania, with rain likely along the coast.

The big question five days out is what happens in between – along I-95 and across Southeastern Pennsylvania? That is still rather uncertain since we'll again ride the proverbial temperature fence. In any event, know that this storm does look more likely for Wednesday afternoon into Thursday morning.

Phillyweather.net will update details on it as best as we can through Christmas and up to the event.

Once this second storm moves through, a few days of quieter but seasonally cold weather will take over through the end of the week. Highs generally don't get much above freezing and lows look to be solidly in the 20s at night. After a lengthy repreive in chill, December finally decided to behave like its namesake in the weather department. It took long enough.


Tom Thunstrom is the editor and publisher of Phillyweather.net. You can also follow Phillyweather.net on twitter at @phillywx or on Facebook.

Ruth December 23, 2012 at 03:15 PM
Are you headed for a drought if this warm weather continues this way? Where I live, we are having the same type of weather. We have been in a drought for a few years now.


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