Data Status and Validation

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Data Status and Validation

• Temperature
• John Gille

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Conclusions

• HIRDLS temperatures are within 1-2K warmer than
  sondes and ECMWF temperatures from 100 - 5hP
  (cooler above and below)
• HIRDLS appears warm at the tropical tropopause by
  1-2 K
• HIRDLS temperatures 2K from 300-1 hPa
• Precision 0.5-0.8K between 100 - 1 hPa
• No variation of accuracy with latitude
• No discernable drift with time

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Conclusions
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