Abstract
American Meteorological Journal, July.—The geographical distribution of the maximum and minimum hourly wind velocities … for January and July, for the United States, by Dr. F. Waldo. This discussion is based on the Signal Service and Weather Bureau observations, and the subject is treated in various ways, and illustrated by wind charts. We select from these (1) the hour of maximum wind and (2) the maximum hourly wind, in miles per hour. There is no great regularity in the time of occurrence of the strongest wind; in January it occurs on the Atlantic coast from 2h. to 4h. a. m., and on the North Pacific coast it is retarded to 6h. a. m. On the Gulf of Mexico it takes place about noon, while at inland stations it occurs generally about 2h. p.m. In July, on the Atlantic coast, there is a maximum wind about 2h. p.m. in latitude 45°, but with southward progress it is retarded, until in latitude 30° the hour is changed to 6h. p. m. In the southern part of the Pacific: coast, the time of maximum is 1h. p.m., which is much earlier than for the adjacent inland or the northern part of the coast. In general, for the inland north-east the hour is 2h. p.m., and there is a retardation with both western and southern progress. In January the maximum hourly wind reaches a velocity of seventeen miles on the northern parts of the Atlantic and Pacific coasts, decreasing with southward progress, while the inland distribution shows a maximum of ten to thirteen miles per hour over the Great Plains. In July, the maximum hourly wind is eleven to thirteen miles on the Atlantic coast, while on the North Pacific coast there is a very small maximum (eight miles), but this is counterbalanced by the very high velocity of eighteen miles per hour on the central Californian coast. A reference to the wind charts shows the prevailing conditions much better than any verbal description can do.
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Scientific Serials. Nature 52, 335 (1895). https://doi.org/10.1038/052335a0
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DOI: https://doi.org/10.1038/052335a0