70 years of Atmospheric research flying timeline ... - Met Office
70 years of Atmospheric research flying timeline ... - Met Office
70 years of Atmospheric research flying timeline ... - Met Office
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1942Two Boston Aircraft (AL480 & AL481) tasked with “High altitude <strong>Met</strong>eorologicalResearch”.These new additions to the fleet joined two Mk2 spitfires (P8021, and P7661) and aBoston Mk 3 (W8291). These early aircraft were involved in studies during the 40’swhich led to the discovery <strong>of</strong> very strong upper winds, which we now refer to as the jetstream and Clear Air Turbulence (CAT). In September 1942 three more Bostons BZ315,BZ362, BZ262 (1942 – 1944) also joined the fleet.1943Fortress Mk2A (FK192) arrived and Boston aircraft retired.The Flying Fortress was one <strong>of</strong> six B17’s presented to Winston Churchill by PresidentRoosevelt. This aircraft was used for the installation <strong>of</strong> the first airborne flat platethermometer for the measurement <strong>of</strong> temperature. Later in the year a Mosquito PF391(1943 – 1944) also joined the fleet, and the Boston Mk3 W8291was retired.1943First Reliable Humidity Measurement made in the stratosphere. Using newly developedDobson-Brewer Hygrometer on Fortress aircraft.When MRF was first started the need for more accurate measurements <strong>of</strong> humidity athigh altitude and low frost points, and the limitations <strong>of</strong> existing instrumentation led to the© Crown copyright 20122