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>From: Richard Massa <address@hidden> >Organization: UC Davis >Keywords: 200210282019.g9SKJIX04447 McIDAS-XCD mcscour Hi Richard, Here is a good example that illustrates the need to scour the XCD created MD and GRID files before they get to be 10 days old. I was watching atm20, when I decided to see how big the XCD GRID files are. I saw one GRID file, GRID0009, that was over 1 GB. Since this is a very unusual situation, I decided to do a list of the contents of the file. I found that grids from 2002299 (26 Oct 2002) and today, 2002309 (05 Nov 2002). I deleted the file and then took a look at other GRID files where I found the same situation: mcidas@atm20:~/workdata$ grdlist.k MYDATA/GRIDS.5809 NUM=ALL Dataset position 5809 Directory Title= ALL 12Z AVN 0 HR<=VT<=24 HR PAR LEVEL DAY TIME SRC FHOUR FDAY FTIME GRID PRO ---- --------- ------------ -------- ---- ----- ------------ -------- ----- ---- T 850 MB 26 OCT 02299 12:00:00 AVN 12 27 OCT 02300 00:00:00 1 MERC T 700 MB 26 OCT 02299 12:00:00 AVN 12 27 OCT 02300 00:00:00 2 MERC T 600 MB 26 OCT 02299 12:00:00 AVN 12 27 OCT 02300 00:00:00 3 MERC T 500 MB 26 OCT 02299 12:00:00 AVN 12 27 OCT 02300 00:00:00 4 MERC T 400 MB 26 OCT 02299 12:00:00 AVN 12 27 OCT 02300 00:00:00 5 MERC T 300 MB 26 OCT 02299 12:00:00 AVN 12 27 OCT 02300 00:00:00 6 MERC T 250 MB 26 OCT 02299 12:00:00 AVN 12 27 OCT 02300 00:00:00 7 MERC T 200 MB 26 OCT 02299 12:00:00 AVN 12 27 OCT 02300 00:00:00 8 MERC T 150 MB 26 OCT 02299 12:00:00 AVN 12 27 OCT 02300 00:00:00 9 MERC ... U 500 MB 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2683 MERC U 850 MB 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2684 MERC V 250 MB 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2685 MERC V 500 MB 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2686 MERC V 850 MB 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2687 MERC PCP SFC 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2688 MERC P MSL 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2689 MERC U 10 M 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2690 MERC V 10 M 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2691 MERC TMAX 2 M 05 NOV 02309 12:00:00 AVN 12 06 NOV 02310 00:00:00 2692 MERC TMIN 2 M 05 NOV 02309 12:00:00 AVN 12 06 NOV 02310 00:00:00 2693 MERC T 2 M 05 NOV 02309 12:00:00 AVN 18 06 NOV 02310 06:00:00 2694 MERC Number of grids listed = 2694 GRDLIST - done Because of this, I will be deleting all of the GRID files that are supposed to be for today (the GRID files that end in a '9', like 5809, etc.) as soon as the clock rolls by 0 Z. This will start the GRID decoding out from scratch again in the same way that deleting all of the MD files did for the POINT data (I should have deleted all of the GRID files earlier, but I didn't). Tom