Better Rain Chances…Nice Weekend…Active Tropics – Wednesday Afternoon Forecast 4:45pm Update
August 8, 2012 1 Comment
Good Wednesday afternoon to you! Scattered storms have developed in spots today, but many of you will not get rain at your house. The risk of isolated afternoon storms will die out after sunset. Temperatures will fall into the upper 80s around 7pm and upper 70s at 10pm tonight. Skies will become mostly clear across our area tonight.
Better rain chance will arrive on Thursday and Friday as a cold front and upper air trough arrives. It’s very rare to get a true cold front into the deep south in August, but the developing upper air trough will send the front and slightly cooler temperatures well into central and west Alabama. We can expect a good chance of scattered to numerous thunderstorms both Thursday and Friday, but the best chance of storms will occur on Friday. Many spots will get a good soaking between Thursday and Friday. Rain chances will peak during the afternoon hours, as instability increases across our area. It will not rain all day, but you will need the rain gear due to the chance of rain at any point. Expect periods of sun and clouds both Thursday and Friday. Highs will top out in the upper 80s to lower 90s due to the extra clouds and scattered storms.
The front will push through our state sometime Friday evening or Friday night, and cooler temperatures will take over for your weekend plans. While I say cooler temperatures, don’t expect chilly weather… It’s still August, so a cold front could only bring a slight drop in the heat. Highs will remain in the upper 80s for many spots on Saturday and Sunday, with a few towns reaching the 90 degree mark. Skies will remain sunny to mostly sunny on Saturday and Sunday. Humidity will be much lower through the weekend, which will feel great! Overnight lows will fall into the lower or middle 60s on Sunday and Monday morning. A few of the cooler spots like Hamilton, Cullman or Gadsden may reach the upper 50s.
Humidity will gradually increase again early next week, so look for the risk of isolated afternoon storms on Monday and Tuesday. Highs will return into the lower to middle 90s under a partly cloudy sky.
The tropics have got rather active over the past week or so. Tropical Storm Ernesto has weakened over the past 12 hours due to the interaction of land. The system could re-strengthen into a hurricane before moving into Mexico tomorrow night. Ernesto will spend about 24 hours over the Bay of Campeche. There are two other areas we’re watching this afternoon in the central Atlantic. The area circled in yellow doesn’t appear to have a chance of re-developing. The orange circled area is worth watching close due to its position over the warmer waters and slightly better environment. Forecast data takes that feature off to the west over the next 5 days. We’ve got lots of time to watch it over the days ahead. I’ll update you as more data comes in. Another system worth watching is a strong area of low pressure in western Africa. There’s a real chance the low could rapidly develop into a hurricane as it moves into the Atlantic late this week and into the weekend. Fortunately, we’ve got lots of time to watch that system as well.
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