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Big Storms Eye Appalachian Spine, Blue Ridge to Mid-Atlantic
September 1, 2024
Updated By WeatherBug Meteorologist, Fred Allen
Just before the calendar flips to September, a couple spots will need to keep a watchful eye on the sky for threatening weather.
A trudging cold front, dividing hot, moisture-rich air from the cooler, drier air behind it is serving as the catalyst for organized thunderstorms already from western Pennsylvania to West Virginia. This activity will roll east toward Interstate 81 in the Mid-Atlantic throughout this afternoon and evening before dissipating just west of Interstate 95 overnight.
The most intense thunderstorms will pose a damaging wind gust and large hail risk. Scattered gusts up to 70 mph and hail larger than quarters will be possible. Locally heavy rainfall up to 2 or 3 inches in a short time could lead to low-lying, urban, and flash flooding, especially where storm drains become clogged by debris or overwhelmed by runoff. Remember, if you approach a roadway covered in water, “Turn Around, Don’t Drown!”
Other cities such as Watertown, N.Y., and Philadelphia to Baltimore, Washington, D.C., and as far south and west as Bowling Green, Ky., and Nashville to Jackson, Tenn., will need to keep a watchful eye to the sky for a dangerous storm encounter as well.
Meanwhile, a few gusty thunderstorms could develop ahead of a Canadian cold front across Minnesota’s Arrowhead and northwestern Wisconsin and Michigan. Locally gusty winds will be the main risk.
Make sure to know the difference between a watch and a warning should they become issued. A watch means that conditions are favorable for severe weather to occur and to be on alert for any rapidly changing conditions. A warning means that severe weather is imminent, and you should act fast to remain safe.
The best way to remain safe is to stay prepared and informed about your local weather. Have a severe weather kit packed with a battery-operated radio, water and non-perishable food items should you be without power for long periods of time. Also, check the WeatherBug app frequently for any updates on today’s severe weather. Remember, “When Thunder Roars, Go Indoors!”