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© Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2

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Presentation on theme: "© Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2"— Presentation transcript:

1 © Crown copyright Met Office John Nash 1, Tim Oakley 1, Mark Smees 1, S.Kurnosenko 2 and Li Wei 3 1 Met Office, Fitzroy Road, Exeter, EX1 3PB, UK 2 skurnosenko@gmail.com 3 Meteorological Observation Centre, China Meteorological Administration No. 46 Zhongguacun, Nandajie, BEIJING 100081, China Initial Results from the WMO Radiosonde Intercomparison, Yangjiang, China, July 2010

2 Li Wei, Chinese Project Leader

3 WMO team, Project Leader Tim Oakley Remote sensing, Mark Smees, Data handling, Gonzague Romanens

4 WMO team, Project Leader Tim Oakley Remote sensing, Mark Smees

5 WMO team, Data manager, Sergey Kurnosenko

6 Holger Vomel, Scientific Sounding Systems Leader

7 Test took place from 13 July to 1 August at the Atmospheric Observatory, Yangjiang, Guangdong, China

8 62 Quality Radiosonde Test flights 10 Scientific Sounding test flights balloons and flight rig prepared by 15 Chinese radiosonde test experts selected from radiosonde stations across China

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10 CompanyGround SystemRadiosondeTemperature sensor Humidity sensor Intermet iMet-3200iMet2Bead thermistorThin film Capacitor(E+E) Modem SR2K2M2K2DCBead thermistorCapacitive polymer Graw Radiosonde GmbH GS-EDFM-09ThermistorThin film Capacitor(E+E) Meteolabor ARGUS 37SRS-C34ThermocoupleHygroclip Rotronic *Snow White hygrometer Nanjing Da Qiao Machine Co Ltd L-Band GFE1 type GTS1-2 digital Cylindrical thermistor HS02 Humicap Jin Yang GL-5000PBRSG-20ANTC ThermistorThin film Capacitor(E+E) Mesei Co. LTD RD-06GRS-06GThermistorCapacitance polymer Vaisala Oyj DigiCora, MW31RS92-SGPCapacitive wireThin film capacitor, heated twin sensor Beijing Chang Feng Surface Acoustic wave Co. GPS Radiosounding System CF-06-ABead resistance Thin film Capacitor China HuaYun HY-GTS(U)GTS(U)1-1Bead thermistorThin film Capacitor(E+E) Lockheed Martin Sippican INC LMG6GPSLMS6 Radiosonde GPS Multithermistor LMS6 Radiosonde Chip thermistorThin film Capacitor(E+E)

11 Changfeng Huayun Daqiao Vaisala LMS

12 Graw Intermet Meisei Meteolabor Jinyang

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16 Highest measurement

17 Balloon rate of ascent, m.s -1

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20 Merged preliminary results for quality radiosondes Not to be reproduced

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35 Radiosondes allowed on Scientific sounding instrument (SSI) flights were: Cryogenic Frost point hygrometer (CFH) Meisei fast response temperature sensor LMS Multithermistor LMS6 Radiosonde Vaisala reference radiosonde ( DryCap frost point measurement) Graw DFM-09 radiosonde [limited number of flights]

36 Science flight night

37 Science flight night

38 Science flight day

39 Science flight day

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