For fans of changing weather, January so far has been right on target. After starting the year with temperatures well below normal, last week brought high temperatures 15 to 20 degrees above normal.   This week, the pattern will change again, and  bring the possibility of some  sort of frozen precipitation to  North Georgia.

A cold front will move through Georgia today, although it won’t bring any sort of precipitation. After the front passes, look for skies to clear, and temperatures to return to normal or slightly cooler than normal.

Things begin to get interesting on Wednesday, as a low pressure system develops in the Gulf of Mexico, and moves northeast into Georgia, bringing gulf moisture and a chance of precipitation by Wednesday night.  Meanwhile, high pressure out of Canada will force the jet stream southward, bring colder air to the region.  Exactly where these two systems meet will determine what type of precipitation we get.

Right now, forecasters are calling for half an inch of precipitation from the system, with lows Wednesday night just below freezing.  If the storm sticks around long enough, lows will be in the upper 20s Thursday night after daytime temperatures only in the 40s.  It’s possible we could get snow, freezing rain, or sleet, and south of Interstate 20, it will probably be all rain.

The forecast is still long range with plenty of possible outcomes, so I wouldn’t go and get the  sleds out yet.  But, it’s worth keeping an eye on.

Posted on Sunday, January 13th, 2008 at 10:24 am
Categories: Short Term Forecasts, Winter 2007-08.

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