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Daryl, There are 2 sources for the precipitation on the 212 grid. The ETA model identified as number 84, and the EAT model identified as number 89. The ICWF project run by the techniques development lab (TDL) within NOAA produces the QPF grids for precipitation forecasts identified as model #89. The NOAAPORT 215 grid has only the precipitation grids identified as model 84, though the CONDUIT stream does have the icwf on the 20km grid as well. Here is the reception information on these grids: Dec 11 15:03:00 grib/ncep/ETA_84/#212/200112111200/F048/APCP/sfc/ YERI98 KWBE 111200 Dec 11 16:13:35 grib/ncep/ETA_89/#212/200112111200/F048/APCP/sfc/ YERI98 KWBD 111200 PAA Dec 11 15:03:57 grib/ncep/ETA_84/#215/200112111200/F048/APCP/sfc/ YEUI98 KWBE 111200 The ETA model identified as ETA_89 uses the WMO identifying center of KWBD, while the ETA_84 uses KWBE. The ETA212 field you see with the much grater forecast amount is the latter that came in which is the icwf prediction. Previously, the 89 model id as the 0 & 12Z run, while the 85 run was the 6 & 18Z run previously called "meso eta". Now, all 4 runs use the identical model 84... but the TDL lab is creating QPF grids (thats a big push in areas that need improvement in NWS). I found a somewhat old web page describing ICWF and ETA at: http://www.emc.ncep.noaa.gov/mmb/research/FAQ-eta.html#POST12 The ICWF grids do have some useful prob of precip grids- but I can see that we should separate the 2 sources to avoid confusion. You are using dcgrib2 in your file actions below. You could make the pattern specific to KWBE to eliminate the icwf grids (KWBD). Or, you can make dcgrib2 create a separate gempak grid file for the icwf grids. The GEMPAK file $GEMTBL/grid/gribkey.tbl file determines the output file name for dcgrib2. At present, there is a single output file for both model 84 and 89 for for the various grids (which I tried to have for backwards compatibility with all three model numbers 84, 85 and 89). I've attatched a replacement gribkey.tbl which will store the ETA_84 products in the same YYYYMMDDHH_eta@@@.gem files, while storing the ETA_89 products in files named YYYYMMDDHH_icwf@@@.gem. I will use this segregated file naming gribkey.tbl file in new releases of GEMPAK as well. Steve Chiswell Unidata User SUpport > > > >From: Daryl Herzmann <address@hidden> > >Organization: UCAR/Unidata > >Keywords: 200112112255.fBBMthN15530 > > >Hello, > > Dr William Gallus, here at ISU, noticed something peculiar. The > >forecasted magnitude of precip from this mornings 12Z Eta run is vasty > >different between the 212 grid and the 215 grid. I have no idea how to > >explain this. > > > > I used gdlist to look at the two grid files > >with params > > GDATTIM = F48 > > GLEVEL = 0 > > GVCORD = NONE > > GFUNC = P06I > > GDFILE = 2001121112_eta212.gem > > GAREA = IA > > PROJ = MER > > SCALE = 0 > > OUTPUT = T > > > >The max value for this subset is 1.58 inches > > > >then I change > > GDFILE = 2001121112_eta215.gem > > > >The max value for this subset is 0.47 inches > > > >Here is my LDM pqact.conf entries > > > ># Process 215 ETA > >HRS ^[YZ].U.*/mETA > > PIPE dcgrib2 -d data/gempak/logs/dcgrib.log > > -e GEMTBL=/home/nawips/nawips/gempak/tables > > > ># Process 212 ETA > >HRS ^[YZ].R.*/mETA > > PIPE dcgrib2 -d data/gempak/logs/dcgrib.log > > -e GEMTBL=/home/nawips/nawips/gempak/tables > > > > > >Ideas?? > > > >Thanks, > > Daryl > > > > > >-- > >/** > > * Daryl Herzmann (address@hidden) > > * Program Assistant -- Iowa Environmental Mesonet > > * http://mesonet.agron.iastate.edu > > */ > > > > > > > >
!center sub modelid grid Output grid file name max_grids ! ! ETA 007 x 084,85 212 data/gempak/model/YYYYMMDDHH_eta@@@.gem 18000 007 x 089 212 data/gempak/model/YYYYMMDDHH_icwf@@@.gem 2000 007 x 084,85,89 216 data/gempak/model/YYYYMMDDHH_eta@@@.gem 6000 007 x 084,85,89 104 data/gempak/model/YYYYMMDDHH_eta@@@.gem 12000 007 x 084,85 @@@ data/gempak/model/YYYYMMDDHH_eta@@@.gem 2000 007 x 089 @@@ data/gempak/model/YYYYMMDDHH_icwf@@@.gem 2000 ! ! NGM 007 x 039 @@@ data/gempak/model/YYYYMMDDHH_ngm@@@.gem 2000 ! ! RUC 007 x 105 @@@ data/gempak/model/YYYYMMDDHH_ruc@@@.gem 7500 007 x 086 @@@ data/gempak/model/YYYYMMDDHH_ruc@@@.gem 2000 ! ! AVN grids 007 x 077,81,96 037 data/gempak/model/YYYYMMDDHH_thin.gem 2000 007 x 077,81,96 038 data/gempak/model/YYYYMMDDHH_thin.gem 2000 007 x 077,81,96 039 data/gempak/model/YYYYMMDDHH_thin.gem 2000 007 x 077,81,96 040 data/gempak/model/YYYYMMDDHH_thin.gem 2000 007 x 077,81,96 041 data/gempak/model/YYYYMMDDHH_thin.gem 2000 007 x 077,81,96 042 data/gempak/model/YYYYMMDDHH_thin.gem 2000 007 x 077,81,96 043 data/gempak/model/YYYYMMDDHH_thin.gem 2000 007 x 077,81,96 044 data/gempak/model/YYYYMMDDHH_thin.gem 2000 007 x 077,81,96 002 data/gempak/model/YYYYMMDDHH_avn@@@.gem 9000 007 x 077,81,96 003 data/gempak/model/YYYYMMDDHH_avn@@@.gem 12000 007 x 077,81,96 @@@ data/gempak/model/YYYYMMDDHH_avn@@@.gem 2000 ! ! MRF 007 x 078,80,94 025 data/gempak/model/YYYYMMDDHH_mrf.gem 1500 007 x 078,80,94 026 data/gempak/model/YYYYMMDDHH_mrf.gem 1500 007 2 078,80,82,94 @@@ data/gempak/model/YYYYMMDDHH_ens@@@.gem 20000 007 x 078,80,82,94 002 data/gempak/model/YYYYMMDDHH_mrf@@@.gem 6000 007 x 078,80,82,94 003 data/gempak/model/YYYYMMDDHH_mrf@@@.gem 5000 007 x 078,80,82,94 @@@ data/gempak/model/YYYYMMDDHH_mrf@@@.gem 1500 ! ! OCEAN 007 x 044 @@@ data/gempak/model/YYYYMMDDHH_ocn.gem 500 007 x 010 @@@ data/gempak/model/YYYYMMDDHH_wave@@@.gem 500 007 x 121 @@@ data/gempak/model/YYYYMMDDHH_wave@@@.gem 500 007 x 122 @@@ data/gempak/model/YYYYMMDDHH_wave@@@.gem 500 ! ! ICE 007 x 120 @@@ data/gempak/model/YYYYMMDDHH_ice@@@.gem 200 ! ! UKMET Thinned grids 074 x 15,44,45 037 data/gempak/model/YYYYMMDDHH_ukmet.gem 1500 074 x 15,44,45 038 data/gempak/model/YYYYMMDDHH_ukmet.gem 1500 074 x 15,44,45 039 data/gempak/model/YYYYMMDDHH_ukmet.gem 1500 074 x 15,44,45 040 data/gempak/model/YYYYMMDDHH_ukmet.gem 1500 074 x 15,44,45 041 data/gempak/model/YYYYMMDDHH_ukmet.gem 1500 074 x 15,44,45 042 data/gempak/model/YYYYMMDDHH_ukmet.gem 1500 074 x 15,44,45 043 data/gempak/model/YYYYMMDDHH_ukmet.gem 1500 074 x 15,44,45 044 data/gempak/model/YYYYMMDDHH_ukmet.gem 1500 ! ! UKMET Other 074 x 015 @@@ data/gempak/model/YYYYMMDDHH_egrr@@@.gem 1000 ! ! ECMWF ! ECMWF changes their model id so often, best to match any modelid from ! center #98. 098 x ??? 001 data/gempak/model/YYYYMMDDHH_ecmf1.gem 1500 098 x ??? 002 data/gempak/model/YYYYMMDDHH_ecmf1.gem 1500 098 x ??? 003 data/gempak/model/YYYYMMDDHH_ecmf1.gem 1500 098 x ??? 004 data/gempak/model/YYYYMMDDHH_ecmf1.gem 1500 098 x ??? 009 data/gempak/model/YYYYMMDDHH_ecmf1.gem 1500 098 x ??? 010 data/gempak/model/YYYYMMDDHH_ecmf1.gem 1500 098 x ??? 011 data/gempak/model/YYYYMMDDHH_ecmf1.gem 1500 098 x ??? 012 data/gempak/model/YYYYMMDDHH_ecmf1.gem 1500 098 x ??? 005 data/gempak/model/YYYYMMDDHH_ecmf2.gem 1500 098 x ??? 006 data/gempak/model/YYYYMMDDHH_ecmf2.gem 1500 098 x ??? 007 data/gempak/model/YYYYMMDDHH_ecmf2.gem 1500 098 x ??? 008 data/gempak/model/YYYYMMDDHH_ecmf2.gem 1500 098 x ??? @@@ data/gempak/model/YYYYMMDDHH_ecmwf@@@.gem 100 ! ! FSL RUC 059 x 105 @@@ data/gempak/model/YYYYMMDDHH_ruc@@@.gem 7500 ! ! FNOC NOGAPS/COAMPS 058 x 041,58 @@@ data/gempak/model/YYYYMMDDHH_nogaps@@@.gem 5000 058 x 082 020 data/gempak/model/YYYYMMDDHH_coamps_conus 1500 058 x 027 186 data/gempak/model/YYYYMMDDHH_coamps_centam 1500 058 x 063 187 data/gempak/model/YYYYMMDDHH_coamps_watl 1500 058 x 060 188 data/gempak/model/YYYYMMDDHH_coamps_epac 1500 058 x ??? @@@ data/gempak/model/YYYYMMDDHH_coamps###_@@@ 1500 ! ! RADAR Mosaic 008 x 000 @@@ data/gempak/model/YYYYMMDD_radar.gem 100 ! ! Canadian Meteorological Service 054 x 036 @@@ data/gempak/model/YYYYMMDDHH_cmcreg.gem 1000 ! ! River products 009 150 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_ktua@@@.gem 500 009 154 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_korn@@@.gem 500 009 155 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_krha@@@.gem 500 009 156 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_kkrf@@@.gem 500 009 157 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_kmsr@@@.gem 500 009 158 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_ktar@@@.gem 500 009 160 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_ktir@@@.gem 500 009 161 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_kalr@@@.gem 500 009 162 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_kfwr@@@.gem 500 009 x 180 @@@ data/gempak/model/qpf/YYYYMMDDHH_%%%_###_@@@.gem 500 009 x 185 @@@ data/gempak/model/nohrsc/YYYYMMDDHH_kmsr@@@.gem 500 ! 007 5 181 218 data/gempak/model/qpf/YYYYMMDDHH_qpe.gem 500 ! ! Unidata RADAR mosaic 060 1 1 @@@ YYYYMMDDHHNN_nexr.gem 500 060 1 2 @@@ YYYYMMDDHHNN_nexr.gem 500