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Operational bias humidity correction applied to HyMeX radiosounding

M.Nuret (1), O. Bock (2) and N. Fourrié (1) METEO-France, CNRM-GAME IGN LAREG. Operational bias humidity correction applied to HyMeX radiosounding. HYMEX WMO radiosounding code. 17 = Graw (Allemagne) 26 = Meteolabor (Suisse) 57 = ?

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Operational bias humidity correction applied to HyMeX radiosounding

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  1. M.Nuret (1), O. Bock (2) and N. Fourrié (1) METEO-France, CNRM-GAME IGN LAREG Operational bias humidity correction applied to HyMeX radiosounding

  2. HYMEX WMO radiosounding code 17 = Graw (Allemagne) 26 = Meteolabor (Suisse) 57 = ? • = MODEM M-10 (France) 79,80,81 = Vaisala RS92 (Finlande) October 2012

  3. Vaisala RS92 Modem M-10 Graw IWV GPS vs RS From Poster Bock et al., 5th HYMEX workshop Slot MOIST DRY

  4. Mallorca: Vaisala RS92

  5. Corte: Graw

  6. Payerne: Meteolabor

  7. Alger: ?

  8. French operational sites + Barcelona: MODEM M10 NO bias correction Intercomparison from DEMEVAP 2011, (O. Bock et al.)

  9. Conclusion • an operational humidity bias correction for RS exists in AROME • this correction depends on sonde type, pressure, solar elevation and humidity • this correction is consistent with the IWV monitoring for Vaisala and Graw sondes • MODEM-M10 are not corrected yet (Barcelona, Ajaccio, Nimes) • Payerne and Alger sites need further investigations

  10. Pas de débiaisage des sondes detype MODEM-M10 en oper. (monitoring ARPEGE)

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