No. 1300 (Meteorological) Flight was formed on 31 July 1943 at RAF Alipore, Calcutta, West Bengal, British India, by re-designating No. 1 Meteorological Flight RAF. The flight, strength of which had been reduced to three Hawker Hurricane Mk.IIs by this time, was disbanded on 30 May 1946 at RAF Kallang, Malaya, as No. 1300 Flight, THUM standing for Temperature and Humidity.