Browse Items (3 total)

First meteorological map, charting the directions of trade winds and monsoons. Information was collected from navigators familiar with ocean transits, and also from his own tropical experience on St. Helena (1677–1678). On the map, rows of brief…

Map showing colored areas of climate conditions on a particular day. The colored areas correspond to precipitation conditions, , i.e. snow, clear, rain, clouds, fog. Different lines depict areas of equal pressure (dashed) and areas of equal thermal…

This map shows what is referred to as the first scientific study of a tornado’s path and the first conclusive proof that tornadoes are an inward, upward, and onward moving column of air. In his article, Chappelsmith notes that people living five…