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A GEOPHYSICAL RESEARCH FUND FOR METEOROLOGY

A GEOPHYSICAL RESEARCH FUND FOR METEOROLOGY tember 28 and 29th. Since double theodolite observations were being made on sounding balloons on those days, particular attention was given to the prevalence of smoke. On the 28th it was observed that the "smoke cleared as soon as the surface temperature rose to the point where the adiabatic lapse rate for dry air prevailed up to about 2,500 meters and, in connection with moderate humidity, cumulus formed in the afternoon. On the 29th, most of the smoke cleared after the adia- batic lapse rate was built up in the first few hundred meters, but visi- bility continued rather poor all day and no cumulus formed, owing to relatively higher temperature and exceedingly dry air in the upper levels." It would seem from the foregoing that valuable information regard- ing the forecasting of the ending of smoke conditions might be obtained fro m upper air observations of temperature and humidity. It would, of course, be necessary to predict the time when the critical surface tem- perature would be reached, the latter being determined from the adia- batic chart or temperature-height graph.—L. T. Samuels. TEMPERATURE S IN TH E SUN I n the BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, 1932, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the American Meteorological Society American Meteorological Society

A GEOPHYSICAL RESEARCH FUND FOR METEOROLOGY

Bulletin of the American Meteorological Society , Volume 13 (12): 2 – Dec 1, 1932
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Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1520-0477
eISSN
1520-0477
DOI
10.1175/1520-0477-13.12.229b
Publisher site
See Article on Publisher Site

Abstract

tember 28 and 29th. Since double theodolite observations were being made on sounding balloons on those days, particular attention was given to the prevalence of smoke. On the 28th it was observed that the "smoke cleared as soon as the surface temperature rose to the point where the adiabatic lapse rate for dry air prevailed up to about 2,500 meters and, in connection with moderate humidity, cumulus formed in the afternoon. On the 29th, most of the smoke cleared after the adia- batic lapse rate was built up in the first few hundred meters, but visi- bility continued rather poor all day and no cumulus formed, owing to relatively higher temperature and exceedingly dry air in the upper levels." It would seem from the foregoing that valuable information regard- ing the forecasting of the ending of smoke conditions might be obtained fro m upper air observations of temperature and humidity. It would, of course, be necessary to predict the time when the critical surface tem- perature would be reached, the latter being determined from the adia- batic chart or temperature-height graph.—L. T. Samuels. TEMPERATURE S IN TH E SUN I n the BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, 1932,

Journal

Bulletin of the American Meteorological Society – American Meteorological Society

Published: Dec 1, 1932

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