National Geographic : 1905 Jun
50° ds . h - og O _2 0 c7 Black lines connect places having equal barometric 2.6 pressure; red lines connect places having equal tempera- 3f. ture; arrows point in direction wind is blowing; figures at end of arrows show wind velocity, when it is more than light. • O clear; a partly cloudy; 0 cloudy; R rain; S snow. AM HIGH indicates center of anticyclone, or high-pressure area; LOW indicates center of cyclone, or low-pressure Shading shows precipitation area of last 12 hours. Shading shows precipitation area of last 12 hours. 2 CHART X.-West Indian Hurricane, August 29, 1893, 8 A.M.