CEILOMETER

COLORADO STATE UNIVERSITY
ATMOSPHERIC SCIENCE DEPARTMENT
ASTEX EXPERIMENT

WHERE:
       33 deg 05 min 02 sec N, 16 deg 20 min 49 sec W; 
       Porto Santo, Madeiras
WHEN:
       31 May 92 - 28 June 92
TIME RESOLUTION:
       1 minute
VARIABLES:
           julian day (UTC) [includes fraction of the day]
           cloud base height (m) 
FORMAT:
        Free Format with the 2 variables are separated by a comma.
NOTES:
       The clear sky value is -1.
       The Klett (1981) algorithm is used to estimate ceiling (cloud base)
       height.
REFERENCES:
   Cox, S., C. Cornwall, W. Cotton, J. Davis, J. Kleist, T. McKee, Q. Shao,
   D. Randall, W. Schubert, D. Wood, S. Frisch, M. Hardesty, R. Kropfli,
   J. Snider and P. Anikin, 1993: "CSU/NOAA-WPL FIRE II - ASTEX Field
   Experiment: Description of Field Deployment Phase." Atmospheric Science
   Report #523, 100pp.

   Klett, James D., 1981: Stable analytic inversion solution for
   processing lidar returns.  Applied Optics, 2, 211-220.