70 years of Atmospheric research flying timeline ... - Met Office

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1966Inertial navigation system and nose probes installed in the Canberra to greatly improvewind measurements.The use of the Canberra aircraft to accurately measure vertical motions in theatmosphere during the 1960’s, led to the discovery of a thin layer of air at about 12kmaltitude where turbulence was present without any clouds. This clear air turbulence wasfound to be caused by the change in wind speed between different layers of theatmosphere (the troposphere and stratosphere). Understanding what causes thisturbulence means that it can be forecast, allowing aircraft to avoid areas where severeclear air turbulence is expected, and making air journeys safer and more comfortable.This research was made possible by the internal navigation system INS which provideda stable reference frame within which measurements of vertical and horizontal gusts andwind shear can be made. This allowed sufficiently accurate measurement of the requiredvariables to be made, allowing the mechanisms which lead to clear air turbulence to bebetter understood and forecast.The results from a case study looking at clear air turbulence and the jet stream aredescribed in a paper by Axford published in 1972 titled ‘’A case study of a high levelCanberra flight on 11 September 1968’’ link (1972_Axford.pdf)© Crown copyright 201213
1966Hastings C1A (TG618) retired.1968Flight Liaison Officer (J.F. Fisher) briefing Flight Leader (P.R. Cockrell) before a flight onthe Canberra aircraft.© Crown copyright 201214
Page 1 and 2: 70 years of AtmosphericResearch Fly
Page 3 and 4: 1942Two Boston Aircraft (AL480 & AL
Page 5 and 6: Meteorological Research Flight, the
Page 7 and 8: 1948MRF equipped with a second Mosq
Page 9 and 10: 1953Canberra B2 (WJ582) arrived and
Page 11 and 12: 1961 MRF staff moved to a purpose b
Page 13: 1964Inside the Hastings.© Crown co
Page 17 and 18: 1970Varsity (WF425) arrived.‘The
Page 19 and 20: 1973Canberra detached to Colorado t
Page 21 and 22: 1978C130 Hercules participated in t
Page 23 and 24: Link (Acid_Rain_Research_with_Snoop
Page 25 and 26: 1987Equipment for the measurement o
Page 27 and 28: 1994Hercules aircraft detached to C
Page 29 and 30: 1999A badge from the Enhanced Conti
Page 31 and 32: 2001The Facility for Airborne Atmos
Page 33 and 34: CAESAR was designed to study and un
Page 35 and 36: The BAe-146 aircraft made a range o
Page 37 and 38: The MetOp series of satellites fly
Page 39 and 40: 2011The Met Office Civil Contingenc
Page 41 and 42: The FAAM aircraft is used for proje
Page 43: Met Office Tel: 0870 900 0100FitzRo

70 years of Atmospheric research flying timeline ... - Met Office

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