BAMOS
4
TOP: Figure 1. Edward Kidson’ s earliest Norwegian-style analysis for Australasia, Saturday 10 Oct 1931, the first such analysis for a Southern Hemisphere region. A cold front is indicated by the dashed line and a warm front by the dotted line. Pressure units are inches of mercury. The chart was published in Kidson( 1932). The diagram is taken from Doolin( 2020).
RIGHT: Fig. 2. Edward Kidson( left; at that time in charge of the upper air Branch) and weather observers prepare to launch a weather balloon and track it with a theodolite and slide rule on the roof of the Central Weather Bureau, " Frosterley ", 2 Drummond Street, Carlton, Victoria, in about 1921.( Copyright Commonwealth of Australia, 1921. Photo credit: Bureau of Meteorology).