Why do some thunderstorms ... creating lightning. Contractions in the air create the soundwaves we know as thunder. Severe weather: Is it Ohio tornado season? How many tornadoes have hit Ohio over the ...

When lightning strikes, it breaks apart nitrogen molecules in the atmosphere, allowing them to combine with oxygen to form nitrogen oxides. These compounds dissolve in rainwater and fall to the ...

Scientists still debate the details of how exactly lightning forms, but it likely has to do with what happens when a cloud is floating in the freezing air high above us. Tiny ice particles form ...