Thursday, September 23, 2010

Tropical this week...more "Fallish" next week!


On this first full day of the Autumnal Equinox, I thought I'd reassure everyone that more fall like temperatures are only a few days away. The persistent tropical air mass and a stubborn jet stream to our north has been keeping us in the "Florida" mode for the past several weeks. On a positive note, we have had a great September as far as rainfall goes. This is important because we will be quickly entering a La Nina winter pattern, which typically is dry. So far, my backyard in Helotes has measured almost 6 inches of rain in September. As the first real cool front nears us on Sunday, look for an increase in rainfall chances, with a few thunderstorms developing along the front. After the front passes, computer models are showing dew points in the 40's and 50's for most of next week. I would not be surprised to see some of our lows drop into the 50's!

Meanwhile, the National Hurricane Center is becoming concerned that Mathew may be about to form in the Caribbean today or tomorrow. This could be trouble for Florida early next week as the cool front pushes the storm in that direction.

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