Severe Thunderstorms WITH A SCARY SKY, DAMAGING WINDS (POSSIBLE TORNADO)/TREES/POWER LINES DOWN, CLOSED ROADS, LOTS OF LIGHTNING ... We are monitoring Tropical Storm Debby forecast to become ...

The sound of thunder would likely be the first sign of this storm ... clouds rolled north over the city. NWS meteorologist Matthew Cullen said the weather service saw “fairly prolific lightning ...

So far, there have been no reports of damaging hail or tornadoes, but powerful thunderstorms produced vivid lightning ... clouds moving in from the west and south, associated with the 970-millibar ...

It can be disruptive and sometimes scary ... of the cloud are negatively charged, while the warm parts are positively charged. This charge separation brings an electric field, creating lightning.