Show SUN SPOT responsible for thunder heard during a snow storm pittsburg pa feb 15 during a heavy snow storm here yesterday several loud peals of thunder were heard the phenomenon was accompanied by lightning professor john A brashear of the allegheny observatory who announce ej to the associated press last night the discovery of one of the greatest sun spot ever called to the attention of the astronomers holds the sun spot responsible for the remarkable atmospheric complication at noon yesterday he said tha great sun spot which Is miles long and miles wide covering an area of about square miles was directly facing the eartle this spot Is very active taking these facts into consideration it 1 not hard for one to stretch his imagination and connect the cause of disturbance tur bance with the sun spot theu again there is a white line about miles long running through th spot and in my belief this white lne is responsible for conditions today and any additional phenomena which arc very apt to follow |