Isobars and Isotherms Small 301×320 Medium 602×640 Large 963×1024 Download Tiff Original 2258×2400 | (407.7 KB) Description "Isobars, isotherms, and winds at various altitudes in a cyclone." -Waldo, 1896 Keywords cirrus clouds, cyclone isotherms, cyclone winds, isobars, wind direction Galleries Meteorology Source: Frank Waldo Elementary Meteorology (New York, NY: American Book Company, 1896) Courtesy the private collection of Roy Winkelman
