Upper Air Soundings over Nanking

The upper air soundings by means of aeroplanes over Nanking were started in July 1932 by the National Research Institute of Meteorology, Until 1935, the total number of the soundings was 75. The instrument employed in the aeroplane flight was a Flugm. eteorograph of R. Fuels make. All the records were published by the Institute in Bulletin of the Upper Ait Current Vol. 4, 5 & 6. Because of the scarcity of the data, we can only compute the mean values of winter (Oct.-Mar.) and summer (Apr.-Sept,) half years. In the winter half year.