National Geographic : 1905 Jun
0 0 2 40. 2to Black lines connect places having equal b r2' 298 ture; arrows point in direction wind is blowing; figures t g. il . HIGH indicates center of anticyclone, or high-pressure Starea; LOW indicates center of cyclone, or low-pressure o0 6C - -- tievaeH area. Shangshows precipitation area oflast 12hours. ------ ' og 299 7 O pressure; red lines connect places having equal tempera ture; arrows point in direction wind is blowing; figures 8 at end of arrows show wind velocity, when it is more we than light. O clear; 1 partly cloudy; 0 cloudy; R rain; S snow. t HIGH indicates center of anticyclone, or high-pressure area; LOW indicates center of cyclone, or low-pressure N area. Shading shows precipitation area of last 12 hours. CHART IV.-Cold Wave, January 7, i886, 7 A. M.