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    This product is based on Vaisala RS92 radiosonde measurements of temperature, humidity, wind and pressure that have been processed following the requirements of the GCOS Reference Upper Air Network (GRUAN) that were described in Immler et al. [2010]. The GRUAN data product file comply to the requirements of GRUAN in particular by providing a full uncertainty analysis. The uncertainty is calculated according to the recommendations of the “Guide for expressing uncertainty in measurement” [GUM2008]. The total uncertainty is assessed from estimates of the calibration uncertainty, the uncertainty of corrections and statistical standard deviations. Corrections are applied such that the data is bias free according to current knowledge.

  • Categories  

    This product is based on Vaisala RS92 radiosonde measurements of temperature, humidity, wind and pressure that have been processed following the requirements of the GCOS Reference Upper Air Network (GRUAN) that were described in Immler et al. [2010]. The GRUAN data product file comply to the requirements of GRUAN in particular by providing a full uncertainty analysis. The uncertainty is calculated according to the recommendations of the “Guide for expressing uncertainty in measurement” [GUM2008]. The total uncertainty is assessed from estimates of the calibration uncertainty, the uncertainty of corrections and statistical standard deviations. Corrections are applied such that the data is bias free according to current knowledge.

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    Upper air profile data, FM 35 (TEMP)

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    Upper air profile data, FM 32 (PILOT)

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    The SIVX22 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour (Remarks from Volume-C: SHIP)

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    The ISMH20 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISM): Main synoptic observations from fixed land stations A2 (H): 90°E - 0° tropical belt (The bulletin collects reports from stations: 63717;NYERI;63720;EMBU MET. STATION;) (Remarks from Volume-C: New BUFR Bulletins)

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    The ISMD21 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISM): Main synoptic observations from fixed land stations A2 (D): 90°E - 0° northern hemisphere (The bulletin collects reports from stations: 14241;ZAGREB PLESO AIRPORT;14284;OSIJEK KLISA AIRPORT;14307;PULA AIRPORT;14317;RIJEKA AIRPORT;14431;ZADAR AIRPORT;14444;SPLIT AIRPORT;14474;DUBROVNIK AIRPORT;) (Remarks from Volume-C: XXX)