reduced gaussian plea

bernd.becker at METOFFICE.GOV.UK bernd.becker at METOFFICE.GOV.UK
Mon Mar 5 06:24:52 EST 2007


Can you please make a ctl file for the attached
grib file?

lsm.grb holds two fields in grib data.

pop  holds the human-readable header contents.

Thanks!

--
Bernd Becker   The Monthly Outlook
Met Office  FitzRoy Road  Exeter   Devon EX1 3PB  United Kingdom
Tel.: +44 (0) 1392 884511 Fax: +44 (0)870 900 5050
E-mail:bernd.becker at metoffice.gov.uk -  http://www.metoffice.gov.uk

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  GRDEMO : GRIBEX return code =             0

 Section 0 - Indicator Section.
 -------------------------------------
 Length of GRIB message (octets).         71872
 GRIB Edition Number.                         1

 Section 1 - Product Definition Section.
 ---------------------------------------
 Code Table 2 Version Number.               128
 Originating centre identifier.              98
 Model identification.                      201
 Grid definition.                           255
 Flag (Code Table 1)                   10000000
 Parameter identifier (Code Table 2).       129
 Type of level (Code Table 3).                1
 Value 1 of level (Code Table 3).             0
 Value 2 of level (Code Table 3).             0
 Year of reference time of data.              2  (2002)
 Month of reference time of data.            10
 Day of reference time of data.               9
 Hour of reference time of data.              0
 Minute of reference time of data.            0
 Time unit (Code Table 4).                    1
 Time range one.                             24
 Time range two.                              0
 Time range indicator (Code Table 5)          0
 Number averaged.                             0
 Number missing from average.                 0
 Century of reference time of data.          21
 Sub-centre identifier.                       0
 Units decimal scaling factor.                0
 ECMWF local usage identifier.               15
 (Ocean ensemble seasonal forecast)
 Class.                                       1
 Type.                                       10
 Stream.                                   1093
 Version number or Experiment identifier.  0001
 Ensemble member number                       0
 Total number of ensembles                    0
 System number                                2
 Method number                                1

 Section 2 - Grid Description Section.
 -------------------------------------
 (Southern latitudes and Western longitudes are negative.)
 Data represent type = gaussian     (Table 6)         4
  Number of points along a parallel varies.
  Number of points.   Parallel. (North to South)
    18                   1
    25                   2
    36                   3
    40                   4
    45                   5
    54                   6
    60                   7
    64                   8
    72                   9 to   10
    80                  11
    90                  12
    96                  13
   100                  14
   108                  15
   120                  16 to   17
   128                  18
   135                  19
   144                  20 to   21
   150                  22
   160                  23 to   24
   180                  25 to   27
   192                  28 to   29
   200                  30 to   31
   216                  32 to   34
   225                  35 to   36
   240                  37 to   39
   256                  40 to   43
   288                  44 to   52
   300                  53 to   56
   320                  57 to  104
   300                 105 to  108
   288                 109 to  117
   256                 118 to  121
   240                 122 to  124
   225                 125 to  126
   216                 127 to  129
   200                 130 to  131
   192                 132 to  133
   180                 134 to  136
   160                 137 to  138
   150                 139
   144                 140 to  141
   135                 142
   128                 143
   120                 144 to  145
   108                 146
   100                 147
    96                 148
    90                 149
    80                 150
    72                 151 to  152
    64                 153
    60                 154
    54                 155
    45                 156
    40                 157
    36                 158
    25                 159
    18                 160
 Number of points along a meridian.                 160
 Latitude of first grid point.                    89141
 Longitude of first grid point.                       0
 Resolution and components flag.               00000000
 Latitude of last grid point.                    -89141
 Longitude of last grid point.                   358878
 i direction (East-West) increment            Not given
 Number of parallels between pole and equator.       80
 Scanning mode flags (Code Table 8)            00000000
 Number of vertical coordinate parameters.            0
  GRDEMO : No section 3 in GRIB message.

 Section 4 - Binary Data  Section.
 -------------------------------------
 Number of data values coded/decoded.             35718
 Number of bits per data value.                      16
 Type of data       (0=grid pt, 128=spectral).        0
 Type of packing    (0=simple, 64=complex).           0
 Type of data       (0=float, 32=integer).            0
 Additional flags   (0=none, 16=present).             0
 Reserved.                                            0
 Number of values   (0=single, 64=matrix).            0
 Secondary bit-maps (0=none, 32=present).             0
 Values width       (0=constant, 16=variable).        0

 First   20 data values.
        26.658691
        16.658691
       -1.3413086
       -14.341309
       -15.341309
       -8.3413086
        6.6586914
        25.658691
        38.658691
        36.658691
        19.658691
       -4.3413086
       -25.341309
       -38.341309
       -40.341309
       -30.341309
       -8.3413086
        15.658691
        12.658691
        12.658691
F    1:        0:20021009:     0:129:    0:20021010:     0:     0
  GRDEMO : GRIBEX return code =             0

 Section 0 - Indicator Section.
 -------------------------------------
 Length of GRIB message (octets).         71872
 GRIB Edition Number.                         1

 Section 1 - Product Definition Section.
 ---------------------------------------
 Code Table 2 Version Number.               128
 Originating centre identifier.              98
 Model identification.                      201
 Grid definition.                           255
 Flag (Code Table 1)                   10000000
 Parameter identifier (Code Table 2).       172
 Type of level (Code Table 3).                1
 Value 1 of level (Code Table 3).             0
 Value 2 of level (Code Table 3).             0
 Year of reference time of data.              2  (2002)
 Month of reference time of data.            10
 Day of reference time of data.               9
 Hour of reference time of data.              0
 Minute of reference time of data.            0
 Time unit (Code Table 4).                    1
 Time range one.                             24
 Time range two.                              0
 Time range indicator (Code Table 5)          0
 Number averaged.                             0
 Number missing from average.                 0
 Century of reference time of data.          21
 Sub-centre identifier.                       0
 Units decimal scaling factor.                0
 ECMWF local usage identifier.               15
 (Ocean ensemble seasonal forecast)
 Class.                                       1
 Type.                                       10
 Stream.                                   1093
 Version number or Experiment identifier.  0001
 Ensemble member number                       0
 Total number of ensembles                    0
 System number                                2
 Method number                                1

 Section 2 - Grid Description Section.
 -------------------------------------
 (Southern latitudes and Western longitudes are negative.)
 Data represent type = gaussian     (Table 6)         4
  Number of points along a parallel varies.
  Number of points.   Parallel. (North to South)
    18                   1
    25                   2
    36                   3
    40                   4
    45                   5
    54                   6
    60                   7
    64                   8
    72                   9 to   10
    80                  11
    90                  12
    96                  13
   100                  14
   108                  15
   120                  16 to   17
   128                  18
   135                  19
   144                  20 to   21
   150                  22
   160                  23 to   24
   180                  25 to   27
   192                  28 to   29
   200                  30 to   31
   216                  32 to   34
   225                  35 to   36
   240                  37 to   39
   256                  40 to   43
   288                  44 to   52
   300                  53 to   56
   320                  57 to  104
   300                 105 to  108
   288                 109 to  117
   256                 118 to  121
   240                 122 to  124
   225                 125 to  126
   216                 127 to  129
   200                 130 to  131
   192                 132 to  133
   180                 134 to  136
   160                 137 to  138
   150                 139
   144                 140 to  141
   135                 142
   128                 143
   120                 144 to  145
   108                 146
   100                 147
    96                 148
    90                 149
    80                 150
    72                 151 to  152
    64                 153
    60                 154
    54                 155
    45                 156
    40                 157
    36                 158
    25                 159
    18                 160
 Number of points along a meridian.                 160
 Latitude of first grid point.                    89141
 Longitude of first grid point.                       0
 Resolution and components flag.               00000000
 Latitude of last grid point.                    -89141
 Longitude of last grid point.                   358878
 i direction (East-West) increment            Not given
 Number of parallels between pole and equator.       80
 Scanning mode flags (Code Table 8)            00000000
 Number of vertical coordinate parameters.            0
  GRDEMO : No section 3 in GRIB message.

 Section 4 - Binary Data  Section.
 -------------------------------------
 Number of data values coded/decoded.             35718
 Number of bits per data value.                      16
 Type of data       (0=grid pt, 128=spectral).        0
 Type of packing    (0=simple, 64=complex).           0
 Type of data       (0=float, 32=integer).            0
 Additional flags   (0=none, 16=present).             0
 Reserved.                                            0
 Number of values   (0=single, 64=matrix).            0
 Secondary bit-maps (0=none, 32=present).             0
 Values width       (0=constant, 16=variable).        0

 First   20 data values.
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
        0.0000000
F    2:    71872:20021009:     0:172:    0:20021010:     0:     0


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