Problems reading BUFR file
Diane Stokes
Diane.Stokes at NOAA.GOV
Wed Sep 20 16:42:24 EDT 2006
Here's a quick guess...
You have in your gribscan output:
0 05 002 (numeric) CLAT Latitude (coarse accuracy)
0 06 002 (numeric) CLON Longitude (coarse accuracy)
but in your ctl file:
xvar 6,1
yvar 5,2
Try changing that xvar definition in your ctl file to:
xvar 6,2
Diane
Bob Kuligowski wrote:
> I am attempting to read and display a BUFR file in GrADS. When I
> run 'bufrscan' the output is the attached 'headers.txt' file. I tried
> to follow the directions in the BUFR entry of
> http://www.iges.org/grads/gadoc/gadocindex.html to produce a GrADS
> control file, which is attached as 'testbufr.ctl'. I can open the .ctl
> file in GrADS with no problem, but when I try 'set gxout print' followed
> by 'd ' of any of the variables in the .ctl file, I always get "Printing
> stations -- 0 Reports -- Undef = -979". My presumption is that the
> variables in the .ctl file are pointing at the wrong X and Y, but I'm
> using the files that I found in headers.txt.
>
> Any thoughts? Thanks in advance...
>
> Cheers,
>
> --
> Bob Kuligowski, Ph.D.
> Meteorologist
> NOAA/NESDIS/Center for Satellite Applications and Research (STAR)
>
> Mailing Address:
> E/RA2 RM 712 WWBG
> 5200 Auth Rd.
> Camp Springs, MD 20746-4304
>
> Phone: (301) 763-8251x192
> Fax: (301) 763-8580
>
> http://www.orbit.nesdis.noaa.gov/smcd/emb/bobk/
>
>
> ------------------------------------------------------------------------
>
< top of gribscan output snipped - dcs >
> 3 61 118 (sequence)
> 0 04 043 (numeric) JULDAY JULIAN DAY
> 0 04 004 (numeric) HOUR Hour
> 0 04 005 (numeric) MINU Minute
> 0 60 006 (numeric) SCSTTM SCAN START TIME
> 0 60 003 (numeric) SCANUM SCAN NUMBER
> 0 60 004 (numeric) NUMSCEN NUMBER OF SCENES IN SCAN
> 0 05 002 (numeric) CLAT Latitude (coarse accuracy)
> 0 06 002 (numeric) CLON Longitude (coarse accuracy)
> 0 60 005 (numeric) SCENEN SCENE NUMBER
> 0 60 093 (numeric) RF1 Rain Flag 1 (Odd Scan)
> 0 60 094 (numeric) RF2 Rain Flag 2 (Odd Scan)
> 0 60 162 (numeric) RR Rain Rate
> 0 60 090 (numeric) SURFTG SURFACE TAG
> 0 60 163 (numeric) LSURFTY L Surface Type
> 0 60 175 (numeric) SNWDPTH SNOW DEPTH
> 0 60 165 (numeric) LSOILM L Soil Moisture
> 0 60 166 (numeric) LSURFTM L Surface Temp
> 0 60 167 (numeric) ICSNEDG Ice/Snow Edge
> 0 60 168 (numeric) ICONC Ice Concentration
> 0 60 169 (numeric) ICEAGE Ice Age
> 0 60 170 (numeric) OSWSF Ocean Surface Wind Speed Flag
> 0 60 171 (numeric) OWV Ocean Water Vapor
> 0 60 172 (numeric) OSWS Ocean Surface Wind Speed
> 0 60 173 (numeric) OCW Ocean Cloud Water
> 0 60 174 (numeric) OCA Ocean Cloud Amount
> 0 60 164 (numeric) SSWC Surf Snow Water Content
>
< bulk of gribscan output snipped - dcs >
>
> ------------------------------------------------------------------------
>
> dset ^../Data/NPR.EDEB.SA.D06263.S0549.E0735.B1508081.NS
> title Test BUFR description file
> undef -979
> dtype bufr
> stid 1,198
> xvar 6,1
> yvar 5,2
> tvar yr 4,1 mo 4,2 dy 4,3 hr 4,4 mn 4,5
> stid 1 1
> tdef 1 LINEAR 13:00Z01SEP2006 1hr
> vars 20
> slon 0 6,2 Station longitude
> slat 0 5,2 Station latitude
> scenen 0 60,005 Scene number
> rf1 0 60,093 Rain flag 1
> rf2 0 60,094 Rain flag 2
> rainrate 0 60,162 Rain Rate
> surftg 0 60,090 Surface tag
> lsurty 0 60,163 L Surface type
> snwdpth 0 60,175 Snow depth
> lsoilm 0 60,165 L Soil moisture
> lsurftm 0 60,166 L Surface temp
> icsnedg 0 60,167 Ice/snow edge
> iconc 0 60,168 Ice concentration
> iceage 0 60,169 Ice age
> oswsf 0 60,170 Ocean surface wind speed flag
> owv 0 60,171 Ocean water vapor
> osws 0 60,172 Ocean surface wind speed
> ocw 0 60,173 Ocean cloud water
> oca 0 60,174 Ocean cloud amount
> sswc 0 60,164 Surf cnow water content
> endvars
--
Diane Stokes
Environmental Modeling Center
National Weather Service/NOAA
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