Dr. Roberts revisits Provocation #221 to further explore Dr. William M. Gray's forecast for hurricanes in the Atlantic. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate, the sun, or n... Show moreDr. Roberts revisits Provocation #221 to further explore Dr. William M. Gray's forecast for hurricanes in the Atlantic. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate, the sun, or near space, with the aim of creating a forum for discussion. Show less