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Weather Forecast Monday May 28, 2018

Alberto is knocking on the door of the Tennessee Valley! How will it effect us here at home? Details in tonight's forecast.

Good evening Tennessee Valley and a very Happy Monday! Alberto has officially made landfall along the Gulf Coast and is now beginning to weaken as it moves through the Florida panhandle and Southern Alabama. Right now, Alberto comes with 40mph sustained winds and is moving to the north at 10mph with a minimum pressure of 995mb. As Alberto travels north through the night it will continue to weaken into a tropical depression and then into remnant low. 

Some of the outer bands of Alberto will push into the Tennessee Valley this evening, but will continue to fill in through the overnight. Some of these outer bands will come with the chance for some stronger activity, but the best opportunity for that comes late tomorrow and tomorrow afternoon. The chance for severe weather will increase as the parent low pushes through the Tennessee Valley between 12 and 18z or 7AM and 1PM. With this threat there is the small chance for a passing tornado across portions of NE Alabama. More specifically De Kalb, Jackson, and Marshall Counties. The interesting thing about tornadoes in this type of setup is that they are usually very small, and can spin up and dissipate before anyone is able to take notice. That being said, while you should not be worried about a major severe weather event, it is always best to stay weather aware. This will be a great time to use your WZDX Pinpoint Weather App. 

Aside from the small tornado threat, the big concern here will be the opportunity for localized and flash flooding. For that reason the entire area will go under a Flash Flood Watch tomorrow morning which will not expire until late Tuesday or early Wednesday. Rain totals by the end of the day Tuesday could be anywhere between 1.5 and 3 inches. The majority of the rain will likely fall along the I-65 Corridor, just east, and then just west. Wind will not be a huge concern here with sustained winds right around the 15-20mph mark with sustained winds nearing the 25mph mark. 

This system will begin to really exit the area late Wednesday, but I expect wrap around moisture will be an issue through the day Thursday.