The Heart of the Tropical Season - And a Pattern Change
For the past two weeks or so, the metro Atlanta area has been stuck in a persistent weather pattern with tropical moisture and humidity leading the way. In some ways, the change has been good, with almost 4 inches of badly needed rain, along with slightly cooler temperatures. However, I suspect that most folks are ready for the start of the crisp, cooler weather of fall.
The good news is that the boundary separating the moist air from dryer air to our north is starting to move south, and we may see some lower dewpoints this weekend. What is more interesting is that a significant change in the weather is likely beginning towards the end of next week.
If the forecast turns out as advertised, an upper level trough will bring daytime highs down into the low 80s, and possibly the upper 70s, and nighttime lows into the lower 60s. The period from the 30th through Labor Day will also feature some rain — which may be assisted by tropical storm/hurricane activity.
Meanwhile, we are at the start of the busiest time of the year for Atlantic tropical storm and hurricane activity. Tropical Storm Debby may turn into a hurricane by Sunday, but is unlikely to affect the United States, as she is expected to turn north and stay out in the open sea.
Instead, keep your eye on a low pressure system located off the northern coast of South America. This system continues to move west, and could become a tropical depression or tropical storm sometime before this weekend. If it does become Ernesto, there’s a reasonable chance it could affect the Gulf, and our weather, before it runs its course.
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