Display GRIB data

[dongdong]

Hi, Everybody



I am trying to display GRIB data with GrADS. Please anyone who familiar with this help me.



Firstly, I use wgrib to see the data. the wgrib result is in the attchment.



Secondly, I use grib2ctl.pl to form the control file.

It is:

dset f:\grib2ctl\1998_2T.grib
index f:\grib2ctl\1998_2T.grib.idx
undef 9.999E+20
title f:\grib2ctl\1998_2T.grib
*  produced by grib2ctl v0.9.12.5p32d
dtype grib 255
options yrev
ydef 73 linear -90.000000 2.5
xdef 144 linear 0.000000 2.500000
tdef 48 linear 00Z01jan1998 6hr
zdef 1 linear 1 1
vars 1
no2Tsfc  0 167,1,0 ** surface 2 metre temperature K
ENDVARS



Then, I use gribmap to match them. It goes wrong.

gribmap -0 -i －v f:\grib2ctl\1998grib.ctl



 gribmap:  Scanning binary GRIB file(s):
gribmap:  Opening GRIB file f:\grib2ctl\1998_2T.grib
!!!!! MATCH:    1      21132  255  1  0  167   1 0            103          0  1
btim: 1998010100:00 tau:   -999 dtim: 1998010100:00
!!!!! MATCH:    2      42264  255  1  0  167   1 0          21235          0  1
btim: 1998010106:00 tau:   -999 dtim: 1998010106:00
!!!!! MATCH:    3      63396  255  1  0  167   1 0          42367          0  1
btim: 1998010112:00 tau:   -999 dtim: 1998010112:00
!!!!! MATCH:    4      84528  255  1  0  167   1 0          63499          0  1
btim: 1998010118:00 tau:   -999 dtim: 1998010118:00
----- Time out of bounds:    5     105660  255  1  0  167   1 0          84631
       0  16 btim: 1998020100:00 tau:   -999 dtim: 1998020100:00
----- Time out of bounds:    6     126792  255  1  0  167   1 0         105763
       0  16 btim: 1998020106:00 tau:   -999 dtim: 1998020106:00
----- Time out of bounds:    7     147924  255  1  0  167   1 0         126895
       0  16 btim: 1998020112:00 tau:   -999 dtim: 1998020112:00
----- Time out of bounds:    8     169056  255  1  0  167   1 0         148027
       0  16 btim: 1998020118:00 tau:   -999 dtim: 1998020118:00
----- Time out of bounds:    9     190188  255  1  0  167   1 0         169159
       0  16 btim: 1998030100:00 tau:   -999 dtim: 1998030100:00
----- Time out of bounds:   10     211320  255  1  0  167   1 0         190291
       0  16 btim: 1998030106:00 tau:   -999 dtim: 1998030106:00
-- More  --



Only few of the data matched. what's the matter? I have been puzzled by this for a long time.

Hoping for suggestions.Thanks a lot!



Sincerely Dongdong,Chen





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