Cold Air Headed Our Way

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It appears likely that the coldest air of Fall 2010 is headed our way. In fact, it’s possible that we won’t get out of the 60s for highs tomorrow. That is so hard to say when only a week ago we were firmly in the 90s and just two weeks ago we saw highs at 100! Well, one of the great things about the weather is that it does change.

A cold front is poised to come through Central Alabama later today and early Sunday which will usher in the coldest air we’ve seen in many months. The front will come through dry with only a few clouds to mark it’s passage along with a wind shift and that cold air. Sunday we could see some breezy conditions along with highs only reaching the upper 60s for most locations. I don’t know about you, but I have been putting off getting my jacket cleaned from last Spring! Guess I’m going to have to make that a high priority with morning lows for several days in the 40s.

The front is coming through with a deep trough and closed low at 500 millibars that will move off the East Coast by Wednesday. This will keep us in a northwesterly flow pattern but temperatures will edge upward with lots of sunshine into the 70s for highs.

By next weekend, we will come under an upper ridge along with a broad surface high pressure system. With clear skies and dry conditions we should see highs climb into the lower 80s for another spectacular Fall weekend. Lows will stick in the 50s.

Tropics remain quiet with two areas of disturbed weather under observation. Neither of those areas – one east of the Windward Islands and one in the western Caribbean – appear likely to develop into tropical systems in the next couple of days.

The long range GFS suggests the weather pattern remains somewhat active with a string of strong troughs moving across the US. Amplitude of the weather systems has increased substantially, so one of those systems – perhaps the one around the 17th-18th – might bring us some wet weather. Otherwise it looks fairly dry and cool.

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Another big weekend of football ahead. Enjoy this beautiful day. Godspeed.

-Brian-

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