Errors in mobile mesonet observations of equivalent potential temperature and wind velocity: Results from the Airdata Verification and Integrated Airborne Tempest Experiment (AVIATE)
The AVIATE data also reveal a systematic bias in contemporaneous measurements of wind velocity made by the NSSL-MM and a proximity 5-hole probe that is used on the Tempest unmanned aircraft system. In order to conduct this sensor comparison, the 5-hole probe was mounted to the mobile mesonet rack near the position of the mesonet's propeller-vane anemometer. Based on CFD wind tunnel simulations made using the NSSL-MM parent vehicle, the observed systematic bias was determined to be a consequence of the modified airstream over the vehicle. Potential calibration methods will be discussed in the presentation.