DATE		EVENT

1998  11  18    Correction made to calculation of Transparency Index
1998  12  15    2-8 Day Long-range outlook added
1999  01  05    Changed date format in output files
1999  01  25    Refinement in PWV calculation
1999  01  27    Changed Image Unavailable image message
2000  02  04    New output format, New algorithm for Transparency Index
2000  05  11    Surface temperature and humidity data used to compute PWV
2001  01  12    Y2K+1 bugg corrected
2001  02  21    Infra-red (10.7 micron) image added as input to forecast
2001  02  21    Outlook initial condition based on 24h PWV (formerly UTH) forecast
2001  02  21    Revision of GOES-8 UTH calibration coefficients implemented
2001  03  01    New thresholds for transparent clouds estimates
2001  03  20    Corrected minor bug in Pwv subroutine (transparent threshold)
2001  09  27    Upgrade of server to HPUX-11 pa_risc
2001  09  28    Installation of JUN01 release of forecast model incl. extended logs
2001  10  02    GOES image name has changed without warning: temporary fix installed
2001  10  20    More robust GOES filename generation algorithm implemented
2001  10  20    Bug with Long Range Outlook date fixed
2001  10  20    Small changes & bugfixes made to forecast script
2002  12  30    Change of Satellite image provider: from CIRA to SSEC
2003  04  01    GOES-8 retired and replaced by GOES-12 with better resolution in the PWV channel
2003  07  01    Revision of movement algorithm implemented
2003  11  05    Correction made to "circle" analysis and forecast area size
2004  05  04    Temperature detection threshold (Tr) for IR window
                channel changed to T600 to improve low cloud detection
2004  07  13    Topographic data restored to original unenhanced version
                and high terrain exclusion threshold revised to minimize
                detection of cold ground with new Tr=T600 temperature
                threshold
2006  01  27    Rewrite of forecast script