UPDATE 5:24pm: Forecastle Festivalgoers are being allowed to re-enter Waterfront Park, after a 20 minute evacuation due to a severe storm in the vicinity. The festival said via social media that it would release an updated schedule for tonight's shows soon.Original post: Severe thunderstorms in the vicinity caused the organizers of this weekend's Forecastle Festival to temporarily evacuate the music festival's venue at Waterfront Park.Around 4:30 this afternoon, the National Weather Service issued a severe thunderstorm warning for Bullitt County, and the storm was headed north to Louisville.The Forecastle Festival posted this onits Facebook page: