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Hi again Bill, Quick update: I have reverted the GRID decoder on adde.ucar.edu to a prior release. Model data is once again being decoded into McIDAS GRID format. Example: DATALOC ADD RTGRIDS ADDE.UCAR.EDU GRDLIST RTGRIDS/UKMT Dataset position 88 Directory Title= ALL 12Z UKMT48 HR< VT<=72 HR PAR LEVEL DAY TIME SRC FHR FDAY FTIME GRID PRO ---- ---------- ------------ -------- ---- ---- ------------ -------- ----- ---- T SFC 25 SEP 07268 12:00:00 UKMT 60 28 SEP 07271 00:00:00 1 MERC Number of grids listed = 1 GRDLIST - done GRDLIST RTGRIDS/GFS NUM=5 Dataset position 148 Directory Title= ALL 12Z GFS 96 HR< VT<=120HR PAR LEVEL DAY TIME SRC FHR FDAY FTIME GRID PRO ---- ---------- ------------ -------- ---- ---- ------------ -------- ----- ---- Z 625 MB 25 SEP 07268 12:00:00 GFS 150 01 OCT 07274 18:00:00 1 LAMB Z 550 MB 25 SEP 07268 12:00:00 GFS 150 01 OCT 07274 18:00:00 2 LAMB Z 500 MB 25 SEP 07268 12:00:00 GFS 150 01 OCT 07274 18:00:00 3 LAMB Z 525 MB 25 SEP 07268 12:00:00 GFS 150 01 OCT 07274 18:00:00 4 LAMB Z 150 MB 25 SEP 07268 12:00:00 GFS 150 01 OCT 07274 18:00:00 5 LAMB Number of grids listed = 5 GRDLIST - done This temporary change gives me the breathing room to be able to investigate why the v2007 version of the decoder is not working correctly. So, as model data are received the RTGRIDS datasets will once again be populated, and you should be able to turn your displays of model data back on. In spite of this change, I would still appreciate getting a better understanding of what model data you are likely to want to process so I can best advise you on how to transition to the user of the new RTGRIBS dataset. Cheers, Tom **************************************************************************** Unidata User Support UCAR Unidata Program (303) 497-8642 P.O. Box 3000 address@hidden Boulder, CO 80307 ---------------------------------------------------------------------------- Unidata HomePage http://www.unidata.ucar.edu **************************************************************************** Ticket Details =================== Ticket ID: NAB-494698 Department: Support McIDAS Priority: Normal Status: Closed