An evaluation of ARM radiosonde operational performance

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Because the ARM (Atmospheric Radiation Measurement) program uses data from radiosondes for real-time quality control and sensitive modeling applications, it is important to have a quantitative measure of the quality of the radiosonde data themselves. Two methods have been tried for estimating the quality of radiosonde data: comparisons with known standards before launch and examination of pseudo-replicate samples by single sensors aloft. The ground check procedure showed that the ARM radiosondes are within manufacturer`s specifications for measuring relative humidity; procedural artifacts prevented verification for temperature. Pseudo-replicates from ascent and descent suggest that the temperature measurement is within the specified {minus_plus}0.2 ... continued below

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6 p.

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Lesht, B. M. June 1995.

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Because the ARM (Atmospheric Radiation Measurement) program uses data from radiosondes for real-time quality control and sensitive modeling applications, it is important to have a quantitative measure of the quality of the radiosonde data themselves. Two methods have been tried for estimating the quality of radiosonde data: comparisons with known standards before launch and examination of pseudo-replicate samples by single sensors aloft. The ground check procedure showed that the ARM radiosondes are within manufacturer`s specifications for measuring relative humidity; procedural artifacts prevented verification for temperature. Pseudo-replicates from ascent and descent suggest that the temperature measurement is within the specified {minus_plus}0.2 C. On average ascent and descent data are similar, but detailed structure may be obscured on descent by loss of sampling density, and the descent involves other uncertainties.

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6 p.

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OSTI as DE95012446

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  • 9. symposium on meteorological observations and instrumentation, Charlotte, NC (United States), 27-31 Mar 1995

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  • Other: DE95012446
  • Report No.: ANL/ER/CP--84206
  • Report No.: CONF-9503104--3
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 69119
  • Archival Resource Key: ark:/67531/metadc710877

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Office of Scientific & Technical Information Technical Reports

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  • June 1995

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  • Sept. 12, 2015, 6:31 a.m.

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  • Dec. 15, 2015, 12:57 p.m.

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Lesht, B. M. An evaluation of ARM radiosonde operational performance, article, June 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc710877/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.