Thunderstorms can be triggered by a variety of factors: first, fronts; then an outflow boundary, which is a push of wind out ahead of a main line of storms; and lastly, popcorn or pulse thunderstorms ...

There is a “level 2″ risk of severe weather across the KTTC region on Thursday. The primary severe weather threat will be in the late evening hours. However, there could be two rounds of thunderstorms ...