Memorial Tributes Volume 21 (2017) / Chapter Skim
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DAVID ATLAS
DAVID ATLAS
Pages 22-29
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From page 23... ...
His family was of less than modest means, though there was always food on the table. The extended family was a closeknit clan centered mostly in the East New York section of Brooklyn.
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From page 24... ...
The isoecho contour method was the first to quantize and thus quantify weather radar reflectivity information on cathode ray tubes. This relatively simple concept was in widespread use for decades both on commercial aircraft and ground-based operational weather radars and by the research community.
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From page 25... ...
On the occasion of the first Doppler velocityazimuth display measurements, Lhermitte attached an audio speaker to the Doppler output. Dave said, "To our astonishment and exquisite pleasure on 2 Dec 1957, we heard and tape recorded the Doppler shift as it varied in pitch from near zero frequency when it was pointed crosswind, to high frequencies when it was pointing either up- or downwind." This set the stage for several decades of Doppler radar research and development and ultimately operational applications.
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From page 26... ...
After several years of field experimentation it appeared to Atlas that no positive effect on the suppression of hail would be detectable, if only because of the great natural variability of hailstorms. To the dissatisfaction of the weather modification community, Dave felt strongly that experimental evidence was sufficient to temporarily cease cloud seeding to analyze existing data and reexamine the basic hypotheses for hail suppression.
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From page 27... ...
It was a treasure trove of empirical relationships among reflectivity factor, attenuation, water content, and rainfall rate and presented some novel interpretations of the radar equation, complications of Mie scattering, and multiple wavelength responses to hydrometeors. The Atlas papers can be topically grouped in four broad categories:
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From page 28... ...
, and honorary membership for the totality of his contributions. In 1991 he was selected as AMS Remote Sensing Lecturer, which was renamed the Remote Sensing Prize in 2008 and again renamed the David and Lucille Atlas Remote Sensing Prize beginning in 2017.
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From page 29... ...
and played tennis. His curiosity extended to spirituality and religion.
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