Evaluation Product : Sonde-Adjust

The sonde-adjust VAP produces data that corrects documented biases in radiosonde humidity measurements. Unique fields contained within this datastream include smoothed original relative humidity, dry bias corrected relative humidity, and final corrected relative humidity. The smoothed RH field refines the relative humidity from integers - the resolution of the instrument - to fractions of a percent. This profile is then used to calculate the dry bias corrected field. The final correction fixes a time-lag problem and uses the dry-bias field as input into the algorithm. In addition to dry bias, solar heating is another correction that is encompassed in the final corrected relative humidity field.

Note: SGP, NSA and AMF Sonde-Adjust data are now available from the regular ARM Archive

Data Details

Contact Michael Jensen
Brookhaven National Laboratory
mjensen@bnl.gov
(631) 344-7021
30 Bell Avenue, Bldg-490D
Upton, NY 11973
United States
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