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Warm as Moisture Creeps Up

| August 17, 2014 @ 6:51 am

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Lower 90s were the highs across Central Alabama yesterday, and moisture levels have crept up as evidenced by dew point observations this morning. So the relatively cooler weather of the last several days has become more typical of mid-August with highs today mainly in the lower 90s. With moisture up, isolated showers will be possible driven by afternoon heating.

Monday and into Tuesday our rain chances become better as showers should become more widespread and numerous thanks to the short wave trough now over Southeast Missouri passing across the Southeast US. Clouds and the presence of showers should help to hold temperatures in check in the 88 to 92 range. The short wave trough passes late Tuesday and Wednesday as an upper ridge builds across the Lower Mississippi River Valley. With some moisture sticking around, we should drop back to isolated afternoon showers for the latter half of the upcoming week as heat values rise into the middle and perhaps upper 90s. Showers should be limited so many of us will remain dry.

The ridge sticks with us into the weekend, so the forecast will continue to mention the possibility of isolated showers during the afternoon and early evening hours. It will remain warm with highs mainly in the middle 90s with some spots edging into the upper 90s.

For beach enthusiasts, showers will be scattered along the coast through Tuesday with showers becoming more isolated by the middle of the week. High temperatures will be in the upper 80s along the coast with lower 90s inland. Look for 4 to 6 hours of sunshine through Tuesday with 7 to 9 hours for the end of the week. Water temperatures in the Gulf continue to be in the middle 80s.

Tropical Atlantic is still relatively quiet with a small area of disturbed weather west-southwest of the Cape Verde Islands. Some gradual development of this system is possible as it moves westward across the South Central Atlantic.

Voodoo country has become a land of mixed messages. The GFS shows a trough around the 27th of August over the Middle Mississippi River Valley but not nearly as strong as we’ve been seeing for the last month or so. But by the first of September the pattern becomes an elongated ridge across the southern tier of the US. So warm but not extremely hot.

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-Brian-

Category: Alabama's Weather

About the Author ()

Brian Peters is one of the television meteorologists at ABC3340 in Birmingham and a retired NWS Warning Coordination Meteorologist. He handles the weekend Weather Xtreme Videos and forecast discussion and is the Webmaster for the popular WeatherBrains podcast.

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