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Looks to be a wet and cloudy Sunday across Central Alabama with rain already showing up on the radar. Most spots have not received much rain yet, but there is a potential for many places to get three-quarters to one inch of rain. Further south, rainfall amounts could fall in the 1 to 2 inch category. While no organized severe weather is expected today, there is potential for marginally severe storms across South Alabama generally south of Clanton.
A stationary front lies across the Southeast. This feature along with a series of weak short waves rotating through the upper trough postioned over the eastern third of the country will contribute to wet weather much of the day and into the overnight hours tonight. The trough edges eastward Monday, so we will probably start out the day with clouds and perhaps some light rain, but I think we’ll see some sun by afternoon. With the trough just to our east, we’ll be in cooler and drier air through the middle of the week.
However, we will need to keep our eyes on the potential for a wedge developing. The surface high will be moving across well to our northeast, so the development of the wedge is possible. Since this is a relatively small scale feature, it’s difficult to be specific about it several days in advance.
The upper trough stays with us – actually just east of us – through much of the week, so we’ll be a tad below average temperatures for late August and early September. I suspect temperatures to be about 4 to 6 degrees below where we might normally expect them to be.
A strong wave reinforces the trough toward the end of the week, but the amount of moisture is a question. I think there will be enough to at least bring shower chances back into the forecast by Friday or Saturday.
And I love the look of the GFS for the voodoo period with another deep trough over the eastern third of the Nation. Ah, the summer of 2009 and the East Coast Trough!! This pattern has certainly brought Central Alabama one of the nicest summers of recent memory.
Tropics remain fairly quiet with only one area of disturbed weather about 950 miles east of the Leeward Islands. There is potential for this to become our next named system and that would be Erika. Meanwhile, the Pacific has two named systems going with Jimena and Kevin.
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James Spann returns bright and early tomorrow morning with the next Weather Xtreme Video. I hope you have a great Sunday no matter what the weather. Godspeed.
-Brian-
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