ten o'clock
The breakfast editions spoke of it as a `` poison fog . '' But it grew and moved and by the time Tommy had a clear line to get actual information about it , a tabloid had christened it the `` Death Mist '' and there were three chartered planes circling about it for the benefit of their newspapers . State troopers were being reinforced . At ten o'clock it was necessary to post extra traffic police to take care of the cars headed upstate to look at the mystery . At eleven it began to move ! Sluggishly , to be sure , and rather raggedly , but it undoubtedly moved , and as undoubtedly it moved independently of the wind . It was at twelve-thirty that the first casualty occurred .