The porch in font of the cella of a Greek or Roman temple formed by the projection of the side walls and a range of columns between the projections.
Most commonly, the lightning current ceases in about a millisecond for a given stroke, but sometimes there is a continuing current on the order of 100 amps following one or more of the strokes. This is called hot lightning and it is the cause of lightning fires according to Uman.
A typical lightning bolt is rated at up to 125 million volts. The âaverageâ lightning bolt is very hot. 15,000Â° C (the surface of the sun is 6,000Â° C). Lightning bolts can travel 10 miles or more. Lightning strikes travel at 1,000 feet/second. Sound and thunder travel at 750 feet/second.