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Dr. William Gray, professor of Atmospheric Science at Colorado State University, gestures as he speaks during the Governor's Hurricane Conference Friday afternoon May 13, 2005 in Tampa, Fla.  Gray is known for his hurricane predictions.
Dr. William Gray, professor of Atmospheric Science at Colorado State University, gestures as he speaks during the Governor’s Hurricane Conference Friday afternoon May 13, 2005 in Tampa, Fla. Gray is known for his hurricane predictions.
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FORT COLLINS — William Gray, a pioneer in hurricane forecasting, died Saturday in Fort Collins, Colorado State University announced. He was 86.

Phil Klotzbach, Gray’s longtime assistant, said Gray began researching hurricanes in 1984, long before national hurricane forecasters began publishing their forecasts.

“His research on hurricanes was remarkable. He was one of the first researchers to determine why hurricanes were global, looking at water-temperature patterns and wind shear,” Klotzbach said.

In addition to his research, Gray also published seasonal hurricane forecasts, predicting the number and severity of hurricanes in the Atlantic Ocean.

Gray, who started at CSU in 1961, retired from his faculty post in 2005, but he continued hurricane and climate research as a professor emeritus until his death, Klotzbach said.

According to a September 2006 Denver Post article, Gray was recognized as a strident climate change critic. “It’s a big scam,” he said.

Gray was especially critical of mathematical models run by supercomputers that projected climate trends. He used words like “fraud” or “gang” to describe the modelers.

Gray was head of the university’s Tropical Meteorology Project and won the Neil Frank Award of the National Hurricane Conference in 1995 for his research contributions.

Gray got his start as a weather forecast officer for the U.S. Air Force in 1953. He earned a doctorate in geophysical sciences from the University of Chicago, and he joined the new Department of Atmospheric Science at Colorado State University in 1961.

Gray had a major impact on meteorology, with more than 70 of his graduate students now in the field, Klotzbach said.

Funeral arrangements are pending.