William M. Gray

American meteorologist

William "Bill" Mason Gray (October 9, 1929 – April 16, 2016) was Emeritus Professor of Atmospheric Science at Colorado State University (CSU), and the head of the Tropical Meteorology Project at CSU's Department of Atmospheric Sciences. He was widely regarded as a pioneer in the science of forecasting hurricanes[1] and one of the world's leading experts on tropical storms.[2] After retiring as a faculty member at CSU in 2005, Gray remained actively involved in both climate change and tropical cyclone research until his death.

William M. Gray
William Mason Gray

(1929-10-09)October 9, 1929
DiedApril 16, 2016(2016-04-16) (aged 86)
Alma materUniversity of Chicago
Known forResearch into hurricanes, climate change skepticism
Nancy Price
(m. 1954; wid. 2001)
Scientific career
FieldsAtmospheric science
InstitutionsColorado State University
ThesisOn the scales of motion and internal stress characteristics of the hurricane (1964)

Gray died in Fort Collins, Colorado on April 16, 2016, aged 86.[3]


  1. Mooney, Chris (2007). "Chapter 4: Lay that Matrix Down". Storm World. Harcourt. p. 70. ISBN 0-15-101287-3. ...1984...Gray also launched the endeavor that would make him most famous: a seasonal forecasting scheme for the Atlantic basin, which would predict the number of hurricanes and tropical storms months before their actual arrival. ... It's hard to overstate the breakthrough that Gray had achieved with his forecasting scheme.
  2. Prendergast, Alan (29 June 2006). "The Skeptic". Westword.
  3. "William M. Gray, Hurricane Predictor and Climate Change Skeptic, Dies at 86". The New York Times.com. Retrieved April 23, 2016.