A supercell charged with ... Weather Service issued a severe thunderstorm warning for the area. Footage recorded by Chad Casey in Foster shows lightning repeatedly flickering within the large ...

A supercell ... If a storm with these criteria is imminent, your local Weather Service office will issue a severe thunderstorm warning or a tornado warning. Lightning and heavy rainfall are ...

A supercell charged with electricity loomed over Oklahoma on April 1, as the National Weather Service issued a severe thunderstorm warning for the area. Footage recorded by Chad Casey in Foster shows ...

When that air is warmed and lifted into the cooler upper atmosphere, it then has the potential to create a rotating supercell thunderstorm ... when lightning strikes, the air surrounding the ...