Tornado Warning Halts Gen Con in Indianapolis Amid Severe Weather
• A tornado warning issued by the National Weather Service (NWS) for central Marion County, Indiana, disrupted the Gen Con 2026 event on Saturday, August 1,
• The warning, effective from 5:23 p.m. to 6:00 p.m. ET, was prompted by Doppler radar detecting rotation in a severe thunderstorm over downtown Indianapolis. The storm, nearly stationary, caused significant rainfall in localized areas, leading to flooding. The Indiana Convention Center, hosting the event, experienced a partial ceiling collapse in Hall B due to heavy rain, which flooded the gaming floor for about 20 minutes. The storm system, driven by a slow-moving low-pressure area, is expected to bring repeated rounds of showers and thunderstorms to central Indiana through August
Impact & Risks
The tornado warning affected Indianapolis, Beech Grove, Warren Park, Monument Circle, and parts of Interstates 65 and 70. The stationary storm caused localized flooding, with up to 3 inches of rain reported in Hendricks County and up to 2 additional inches expected in Marion County. The flooding disrupted the Gen Con event, which hosts 72,000 attendees and has a significant economic impact on the city. The storm also caused power outages and hazardous travel conditions. A flood watch remains in effect for 31 Indiana counties until 8:00 a.m. ET on Sunday, August 2.
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