. Carnegie Institution of Washington publication. THE OBSERVATIONS OF AIR AND SEA MOTIONS. II These numbers can now be introduced on the charts instead of the arrows. The chart will then contain a representation of the wind-observations by use of two sets of numbers, one set representing the wind-directions and another representing the wind-intensities. It will be found convenient to use ciphers of different type or of different color for the two different sets. The heavy numbers on plates XXXVI and LIU represent wind-directions. S-wincL 15 k SW-wind. 40 NE-wind *t 55 NW-urind a & '*7 4g 4
. Carnegie Institution of Washington publication. THE OBSERVATIONS OF AIR AND SEA MOTIONS. II These numbers can now be introduced on the charts instead of the arrows. The chart will then contain a representation of the wind-observations by use of two sets of numbers, one set representing the wind-directions and another representing the wind-intensities. It will be found convenient to use ciphers of different type or of different color for the two different sets. The heavy numbers on plates XXXVI and LIU represent wind-directions. S-wincL 15 k SW-wind. 40 NE-wind *t 55 NW-urind a & '*7 4g 49 50 N-wind Fig. 32.—Representation of directions by numbers. Charts of this description, which contain a representation of the observed motions either by arrows and numbers or by two sets of numbers, will form the starting-point for the whole subsequent work of kinematic diagnosis. 99. Observations of Air-Motion in the Free Atmosphere.—Until lately the drift of the clouds gave the only information on air-motion in the higher strata. Quali- tative results were obtained by observing the cloud-form and the direction of the drift, and quantitative results in the first approximation by also measuring the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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