DQRID : D040928.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
01/01/2001000009/14/20012359Does not affect quality
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Subject:
SGP/TLCV/C1 - Overview of Data Quality
DataStreams:sgptlcvC1.c1
Description:
WEATHER LOGS FOR TLCV - 2001

The following logs are for January 1 - September 14, 2001.  Each day is
divided into 3 approximately equal intervals and given a simple description 
of sky conditions within the TLCV field of view.  These descriptions are
intended to be used as a search tool for selecting Time Lapse Cloud Video 
(TLCV) images and not to provide cloud classifications.  For classifications, 
visit the SGP weather logs.  These simple descriptions are the following:

Clear (Clr): Essentially cloud free.
Mostly Clear (MClr): A few clouds are evident, but generally cloud free.
Scattered Clouds (Scat): Clouds are present, but generally not too persistent or dense.

Mostly Cloudy (Mcldy): Heavier clouds throughout much of the interval.
Cloudy (Cldy): Fairly dense cloud cover.

Explanation of notes:

Note #1 : The recording system began suffering tracking problems on occasion; 
this resulted in picture breakup that is apparent in the compressed video.

Note #2 : Condensation within the optical dome.

Note #3 : Early in the TLCV deployment the automatic white balance of the 
camera was defaulted to 'on' after power dropouts; this was corrected in 
Feb 1998, but before this sometimes resulted in excessively green or grey 
video.

Note #4 : Early in the TLCV deployment the z-axis stage positioner allowed 
the camera to slip down slightly within the TLCV enclosure due to wind 

Note #5 : During the course of a year, the shadowband must be reset
occasionally; this note indicates that the positioning is slightly incorrect.

During the late summer of 2000, a longer term problem arose that caused some
degree of 'banding' across the image.  This problem lasted until Jan 13, 2001
at which time it miraculously disappeared.

Date (UT)      Morning    Midday    Afternoon    Notes/Comments/Confessions
Jan 01, 2001   Pcldy      Scat      Scat         Hazy
Jan 02, 2001   Mcldy      Cldy      Pcldy
Jan 03, 2001   MClr       MClr      MClr
Jan 04, 2001   Clr        Clr       Clr
Jan 05, 2001   Clr        Clr       Clr
Jan 06, 2001   MClr       Scat      Scat
Jan 07, 2001   Pcldy      Pcldy     PCldy
Jan 08, 2001   Clr        Clr       Clr          Hazy
Jan 09, 2001   Clr        Clr       Clr
Jan 10, 2001   Pcldy      Mcldy     Cldy
Jan 11, 2001   Cldy       Mcldy     PCldy
Jan 12, 2001   Scat       Mcldy     Mcldy        Halo
Jan 13, 2001   Cldy       Mcldy     Scat         Banding problem gone!
Jan 14, 2001   Clr        Clr       Clr          Hazy
Jan 15, 2001   Scat       Scat      Scat
Jan 16, 2001   Mcldy      Cldy      Cldy
Jan 17, 2001   Cldy       Cldy      MCldy
Jan 18, 2001   Pcldy      Pcldy     Scat
Jan 19, 2001   Scat       Scat      Clr
Jan 20, 2001   Scat       Mcldy     Pcldy        Halo
Jan 21, 2001   Scat       MClr      MClr         Hazy
Jan 22, 2001   Clr        Clr       Scat
Jan 23, 2001   Cldy       Pcldy     Cldy
Jan 24, 2001   Clr        Clr       Clr
Jan 25, 2001   Clr        Clr       Pcldy        Halo
Jan 26, 2001   Clr        Clr       MClr
Jan 27, 2001   Pcldy      Mcldy     Mcldy
Jan 28, 2001   Cldy       Cldy      Cldy         Note #2
Jan 29, 2001   Cldy       Cldy      Mcldy        Note #2
Jan 30, 2001   Clr        Scat      Scat
Jan 31, 2001   MClr       Clr       Clr
Feb 01, 2001   Scat       Pcldy     Scat
Feb 02, 2001   Clr        Clr       MClr
Feb 03, 2001   MClr       Pcldy     Pcldy
Feb 04, 2001   Scat       Clr       MClr
Feb 05, 2001   Clr        Clr       MClr
Feb 06, 2001   MClr       Clr       Scat
Feb 07, 2001   Scat       Pcldy     Pcldy
Feb 08, 2001   Cldy       Cldy      Cldy
Feb 09, 2001   Mcldy      Mcldy     Mcldy        Icy Dome
Feb 10, 2001   MClr       Scat      MClr         Icy Dome
Feb 11, 2001   Pcldy      Scat      Pcldy
Feb 12, 2001   Cldy       Cldy      Cldy
Feb 13, 2001   Cldy       Cldy      Cldy
Feb 14, 2001   Cldy       Cldy      Cldy         Note #2
Feb 15, 2001   Cldy       Cldy      Cldy         Note #2
Feb 16, 2001   Mcldy      Pcldy     Scat
Feb 17, 2001   MClr       Scat      Clr
Feb 18, 2001   Pcldy      Mcldy     Pcldy
Feb 19, 2001   Clr        Scat      MClr
Feb 20, 2001   Cldy       Cldy      Cldy
Feb 21, 2001   Cldy       Cldy      Cldy
Feb 22, 2001   Mcldy      Cldy      Pcldy
Feb 23, 2001   Cldy       Cldy      Cldy
Feb 24, 2001   Cldy       Mcldy     Scat
Feb 25, 2001   Scat       Scat      Scat         Note #5
Feb 26, 2001   Mcldy      Mcldy     Pcldy
Feb 27, 2001   Cldy       Cldy      Cldy
Feb 28, 2001   Cldy       Cldy      Cldy         Icy dome
Mar 01, 2001   Cldy       Cldy      Mcldy
Mar 02, 2001   Cldy       Pcldy     Pcldy        Note #5, Halo
Mar 03, 2001   Scat       Pcldy     Scat         Note #5, Halo
Mar 04, 2001   Clr        Scat      Pcldy        Note #5
Mar 05, 2001   MClr       Mcldy     Scat         Note #5
Mar 06, 2001   Pcldy      Pcldy     Pcldy        Note #5, Halo
Mar 07, 2001   Clr        Clr       MClr         Note #5
Mar 08, 2001   Mcldy      Pcldy     Pcldy        Halo
Mar 09, 2001   MClr       Clr       Clr
Mar 10, 2001   Scat       Pcldy     Scat
Mar 11, 2001   Cldy       Mcldy     Cldy
Mar 12, 2001   Clr        MClr      MClr         Note #2
Mar 13, 2001   MClr       MClr      Clr
Mar 14, 2001   MClr       Scat      Scat         Halo
Mar 15, 2001   Mcldy      Cldy      Cldy
Mar 16, 2001   MClr       Scat      Scat         Halo
Mar 17, 2001   Scat       Scat      Scat         Good Halo
Mar 18, 2001   Cldy       Cldy      Cldy
Mar 19, 2001   Cldy       Pcldy     Pcldy
Mar 20, 2001   Clr        Clr       MClr
Mar 21, 2001   Cldy       Pcldy     Scat         Halo
Mar 22, 2001   Mcldy      Scat      Scat         Halo
Mar 23, 2001   Pcldy      Pcldy     Mcldy        Halo
Mar 24, 2001   Mcldy      Pcldy     Scat         Halo
Mar 25, 2001   Mcldy      Cldy      Mcldy
Mar 26, 2001   Pcldy      Mcldy     Cldy
Mar 27, 2001   Cldy       Cldy      Cldy
Mar 28, 2001   Cldy       Cldy      Cldy
Mar 29, 2001   Cldy       Cldy      Pcldy
Mar 30, 2001   Scat       Pcldy     Pcldy
Mar 31, 2001   Pcldy      Scat      MClr
Apr 01, 2001   Mcldy      Mcldy     Pcldy
Apr 02, 2001   Cldy       Cldy      Pcldy
Apr 03, 2001   Pcldy      Mcldy     Pcldy
Apr 04, 2001   Cldy       Cldy      Pcldy
Apr 05, 2001   Mcldy      Cldy      Mcldy        Hazy
Apr 06, 2001   Cldy       Cldy      Mcldy
Apr 07, 2001   Clr        Clr       Clr
Apr 08, 2001   Scat       Scat      Scat         Hazy
Apr 09, 2001   Scat       Scat      Pcldy
Apr 10, 2001   Cldy       Cldy      Cldy
Apr 11, 2001   MClr       Clr       Pcldy        Hazy
Apr 12, 2001   MClr       Pcldy     Scat         Halo
Apr 13, 2001   Clr        Clr       Scat         Hazy
Apr 14, 2001   Pcldy      Pcldy     Pcldy
Apr 15, 2001   Clr        Clr       MClr         Hazy
Apr 16, 2001   Cldy       Mcldy     Mcldy
Apr 17, 2001   Scat       Clr       Clr
Apr 18, 2001   Mcldy      Pcldy     Scat         Halo
Apr 19, 2001   Pcldy      Pcldy     Pcldy
Apr 20, 2001   Scat       Pcldy     Pcldy        Halo
Apr 21, 2001   Mcldy      Cldy      Mcldy
Apr 22, 2001   Mcldy      Cldy      Pcldy
Apr 23, 2001   Scat       Clr       Clr          Note #5
Apr 24, 2001   Clr        Scat      Clr          Halo
Apr 25, 2001   Clr        Clr       Clr
Apr 26, 2001   Pcldy      Clr       MClr
Apr 27, 2001   MClr       Clr       Clr
Apr 28, 2001   Clr        Scat      Scat
Apr 29, 2001   Clr        Scat      Scat
Apr 30, 2001   Pcldy      Cldy      Pcldy        Halo
May 01, 2001   Clr        MClr      Clr          Hazy
May 02, 2001   Scat       Pcldy     Pcldy
May 03, 2001   Mcldy      Cldy      Mcldy
May 04, 2001   Mcldy      Cldy      Cldy
May 05, 2001   Pcldy      Scat      PCldy        Note #2
May 06, 2001   Mcldy      Pcldy     Scat
May 07, 2001   Scat       Scat      Clr
May 08, 2001   Clr        Clr       MClr
May 09, 2001   MClr       Scat      Scat         Hazy
May 10, 2001   Mcldy      Scat      Clr          Hazy
May 11, 2001   Pcldy      Cldy      Mcldy        Halo
May 12, 2001   MClr       Scat      MClr         Hazy
May 13, 2001   MClr       Scat      Scat         Hazy
May 14, 2001   Scat       Scat      Scat         Hazy
May 15, 2001   MClr       Clr       Clr          Hazy
May 16, 2001   Scat       Scat      MClr         Hazy
May 17, 2001   Scat       Pcldy     Cldy         Hazy
May 20, 2001   Pcldy      Mcldy     Mcldy
May 21, 2001   Mcldy      Pcldy     Scat
May 22, 2001   MClr       MClr      Pcldy
May 23, 2001   Scat       MClr      Pcldy
May 24, 2001   MClr       Scat      Mcldy
May 25, 2001   MClr       Scat      Scat
May 26, 2001   Scat       Scat      Pcldy
May 27, 2001   Scat       Pcldy     Mcldy
May 28, 2001   Scat       MClr      Scat         Note #2
May 29, 2001   Cldy       Cldy      Pcldy        Halo, thunderstorm
May 30, 2001   Pcldy      Scat      Scat         Note #2, Halo
May 31, 2001   Cldy       Mcldy     Pcldy
Jun 01, 2001   MClr       Scat      Mcldy
Jun 02, 2001   Scat       Clr       MClr
Jun 03, 2001   Pcldy      Pcldy     Pcldy
Jun 04, 2001   Pcldy      Pcldy     Scat
Jun 05, 2001   Mcldy      Pcldy     Pcldy
Jun 06, 2001   Scat       Scat      Scat         Halo
Jun 07, 2001   Scat       Scat      Scat         Halo
Jun 08, 2001   Mcldy      Pcldy     Pcldy
Jun 09, 2001   Scat       Pcldy     Scat
Jun 10, 2001   Scat       Scat      Scat         Hazy
Jun 11, 2001   MClr       MClr      MClr         Hazy
Jun 12, 2001   MClr       MClr      Scat         Hazy
Jun 13, 2001   Scat       Scat      Pcldy        Hazy
Jun 14, 2001   Mcldy      Cldy      Cldy
Jun 15, 2001   Clr        MClr      Clr          Note #2
Jun 16, 2001   Clr        Clr       MCldy
Jun 17, 2001   Clr        Clr       MClr         Hazy
Jun 18, 2001   MClr       MClr      Clr          Hazy
Jun 19, 2001   Clr        MClr      MClr         Hazy
Jun 20, 2001   Cldy       Pcldy     Pcldy
Jun 21, 2001   Mcldy      Pcldy     Scat         Halo
Jun 22, 2001   Clr        MClr      MClr         Hazy
Jun 23, 2001   MClr       MClr      MClr         Hazy, Smoke?
Jun 24, 2001   Scat       Scat      Scat         Hazy
Jun 25, 2001   Clr        Scat      MClr         Hazy, Smoke?
Jun 26, 2001   MClr       Scat      PCldy
Jun 27, 2001   Pcldy      Pcldy     Scat
Jun 28, 2001   Mcldy      Scat      Scat
Jun 29, 2001   Pcldy      Pcldy     Scat
Jun 30, 2001   Mcldy      Scat      Clr
Jul 01, 2001   Pcldy      Pcldy     Scat         Halo
Jul 02, 2001   Pcldy      Scat      Scat
Jul 03, 2001   Pcldy      Scat      Scat
Jul 04, 2001   Scat       Scat      Scat
Jul 05, 2001   Mcldy      Pcldy     Scat
Jul 06, 2001   MClr       MClr      MClr
Jul 07, 2001   Clr        Clr       Clr
Jul 08, 2001   Clr        Pcldy     Pcldy
Jul 09, 2001   Clr        MClr      MClr         Hazy
Jul 10, 2001   Clr        MClr      Clr
Jul 11, 2001   Clr        Scat      MClr
Jul 12, 2001   Clr        MClr      Pcldy
Jul 13, 2001   Mcldy      Pcldy     Pcldy
Jul 14, 2001   Pcldy      Mcldy     Pcldy
Jul 15, 2001   Mcldy      Pcldy     MClr         Hazy
Jul 16, 2001   Mcldy      Scat      Scat
Jul 17, 2001   Scat       Scat      Scat
Jul 18, 2001   Clr        Clr       Scat         Hazy
Jul 19, 2001   Clr        Scat      MClr         Hazy
Jul 20, 2001   Clr        Scat      Scat         Hazy
Jul 21, 2001   Scat       Scat      Scat
Jul 22, 2001   Scat       MClr      -            Tape ran out
Jul 23, 2001   -          -         -            Tape not replaced
Jul 24, 2001   -          -         -            Tape not replaced
Jul 25, 2001   -          -         -            Tape not replaced
Jul 26, 2001   -          -         -            Tape not replaced
Jul 27, 2001   Clr        Scat      Scat
Jul 28, 2001   Pcldy      Pcldy     Mcldy
Jul 29, 2001   MClr       MClr      Scat         Hazy
Jul 30, 2001   Scat       MClr      Clr          Hazy
Jul 31, 2001   Clr        Scat      MClr
Aug 01, 2001   Clr        Clr       MClr
Aug 02, 2001   MClr       Scat      Pcldy        Hazy
Aug 03, 2001   Clr        Clr       Clr          Hazy
Aug 04, 2001   Clr        MClr      Clr          Hazy
Aug 05, 2001   Clr        Scat      Scat         Hazy
Aug 06, 2001   MClr       MClr      Scat         Hazy
Aug 07, 2001   Scat       Scat      Scat         Hazy
Aug 08, 2001   Scat       Pcldy     Scat         Hazy
Aug 09, 2001   Clr        Scat      Pcldy        Hazy
Aug 10, 2001   Mcldy      Scat      Scat
Aug 11, 2001   Pcldy      Cldy      Mcldy
Aug 12, 2001   Scat       Scat      Scat
Aug 13, 2001   MClr       Scat      Scat         Hazy
Aug 14, 2001   MClr       Scat      Scat         Hazy
Aug 15, 2001   Pcldy      Pcldy     Mcldy
Aug 16, 2001   Scat       Clr       Scat
Aug 17, 2001   Pcldy      Mcldy     Pcldy        Late thunderstorm
Aug 18, 2001   Scat       MClr      MClr
Aug 19, 2001   Clr        Clr       Clr
Aug 20, 2001   Scat       MClr      Clr
Aug 21, 2001   Scat       Pcldy     Pcldy        Halo
Aug 22, 2001   Scat       Mcldy     Pcldy        Halo
Aug 23, 2001   Scat       Scat      MClr
Aug 24, 2001   Mcldy      Pcldy     Pcldy        Halo
Aug 25, 2001   Scat       Scat      Pcldy
Aug 26, 2001   Pcldy      Mcldy     Cldy
Aug 27, 2001   Clr        Scat      Clr
Aug 28, 2001   Clr        Scat      Scat         Hazy
Aug 29, 2001   Scat       Scat      Scat
Aug 30, 2001   Scat       Pcldy     Scat
Aug 31, 2001   Scat       Scat      Pcldy
Sep 01, 2001   MClr       Scat      MClr
Sep 02, 2001   Clr        MClr      MClr
Sep 03, 2001   Scat       Pcldy     Pcldy
Sep 04, 2001   Mcldy      Pcldy     Mcldy
Sep 05, 2001   Cldy       Cldy      Cldy
Sep 06, 2001   Mcldy      Pcldy     Scat
Sep 07, 2001   Mcldly     Pcldy     Mcldy
Sep 08, 2001   MClr       Scat      Scat
Sep 09, 2001   Clr        Clr       Clr
Sep 10, 2001   Clr        Clr       Clr
Sep 11, 2001   Scat       MClr      Clr
Sep 12, 2001   MClr       MClr      MClr
Sep 13, 2001   Clr        Clr       Clr
Sep 14, 2001   Pcldy      ***       ***


Note: TLCV taken out of routine duty on Sep 14, 2001. It is still
available for operation if needed.
Suggestions: 
Measurements:sgptlcvC1.c1:
  • MOV data stream - documentation not yet available
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