. The climate and weather of Baltimore . ure while those in thecyclone bend northward toward the central area of low pressure. A typical example of an anti-cyclonic system is shown in the weathermap of April 4, 1904, reproduced in Figs. 87, 88. It occupied approxi-mately the same position and covered the same area as did the cycloneof December 27, 1904, shown in Figs. 85, 86. Isobars and Winds.—The inner circle, or isobar of inches, marksthe central area of the anti-cyclonic system, from which there is asteady and uniform decrease in the height of the barometer outward inall directions,
. The climate and weather of Baltimore . ure while those in thecyclone bend northward toward the central area of low pressure. A typical example of an anti-cyclonic system is shown in the weathermap of April 4, 1904, reproduced in Figs. 87, 88. It occupied approxi-mately the same position and covered the same area as did the cycloneof December 27, 1904, shown in Figs. 85, 86. Isobars and Winds.—The inner circle, or isobar of inches, marksthe central area of the anti-cyclonic system, from which there is asteady and uniform decrease in the height of the barometer outward inall directions, the successive isobars marking intervals of two-tenths ofan inch in the height of the barometer, as in the case of the cyclonicsystem described above. It will be observed that the gradient, orsteepness of the successive steps between isobars, is less in the anti-cyclone than in the cyclone; the area covered by each system is approxi-mately the same, while the total difference in pressure between the center 322 THE CLIMATE OF BALTIMORE. Fig. 87.—Typical Anti-cyclone of April 4, 1904. LOW
Size: 1947px × 1284px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpubl, booksubjectmeteorology
