sentences:  Newspaper accounts and weather records document over 31 storms of major significance; thus, the probable number of actual tornadoes is higher.The only time prior to 1950 where weather forecasters would conduct an official inquiry is when a single tornado was noteworthy of an extensive investigation such as the infamous Tri-State Tornado of March 18, 1925.According to Thomas P. Grazulis, head of the Tornado Project, the death tolls in the southern states on Palm Sunday 1920 could have easily been much higher since the deaths of non-whites from natural disasters were often overlooked or omitted in either official or newspaper records.