SGP/VCEIL/C1 - Contaminated window

Alarm shown: Light Path Obstruction and Window Contamination. Window condition was 2%. 
Observed massive amounts of bird droppings on window. Cleaned window and shortly after 
window condition had risen to 94% and alarm was cleared.

• Lowest cloud base height detected.(first_cbh)
• vertical_visibility
• sum_backscatter
• alt_highest_signal
• background_light
• Second lowest cloud base height(second_cbh)
• detection_status
• Normalized corrected relative backscatter(backscatter)
• Third cloud base height(third_cbh)

SGP/RLPROF/C1 - Reprocess: VAP error

Outdated and/or incorrect overlap correction files were used in original processing of the 
water vapor mixing ratio data (rlprofmr1turn). The overlap files have recently been 
updated. The VAP will be reprocessed with the updated overlap files.

• cloud_base_height_other
• mixing_ratio_3_error
• pwv_rl_err
• Water vapor mixing ratio profile; combines 2 calibrated channels with sfc. obs.(mixing_ratio_3)
• Precipitable water vapor observed by the Raman lidar(pwv_rl)

• mr_err
• Water vapor mixing ratio observed by the Raman lidar(mr)

• Water vapor mixing ratio observed by the Raman lidar(mr)
• mr_err