Snowstorms are mute

snowstorms are not frecuent,                  To produce lightning

they dont produce lightning                    and thunthers you

and thunthers.                                          need that the difference

                                                                 between the positive

                                                                 top charge and the low

This is just because of the                       denial is sufficiently

wind in winter is not                               significant a lightning

the same as wind in summer.                  takes place.

During the summer, the

troposfera is full of humid

and warm air. Above, the air                   So in winter the wind

is cold and is full of crystals                    is dry and the cauds

of ice. When the warm air                       doesn´t produce

ascends, going I obtain steam                  friction between them

of water, the molecules rub                      so thunthers and

the crystals of ice and the                        lightning aren´t

friction believe an electrical                    produced.

field in the cloud, as when

you brush the doormat with

the feet. The crystals of ice

acquire a light positive charge,

and the ascending current

takes them to the top part of

the cloud, so that in the low

part there stays a network of

negative charge.