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NOAA-EMC / NCEPLIBS-grib_util

This is a collection of NCEP GRIB related utilities.
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why are there messages with 0 data points in our fv3atm test file? #306

Closed edwardhartnett closed 1 month ago

edwardhartnett commented 4 months ago

See #305

This seems like it must be a bug somewhere. What does g2c come up with?

edwardhartnett commented 4 months ago

Well g2c also thinks there are 0 data points:

 GRIB MESSAGE  11  starts at 52338670

  SECTION 0:  0 2 1806772
  SECTION 1:  7 0 2 1 1 2022 6 21 0 0 0 0 1
  Contains  0  Local Sections  and  1  data fields.

  FIELD  1
  SECTION 0:  0 2
  SECTION 1:  7 0 2 1 1 2022 6 21 0 0 0 0 1
  SECTION 3:  0 14452641 0 0 1
  GRID TEMPLATE 3. 1 :  6 0 0 0 0 0 0 4881 2961 0 0 -37000000 299000000 48 37000000 61000000 25000 25000 64 -35000000 247000000 0
  NO Optional List Defining Number of Data Points.
  PRODUCT TEMPLATE 4. 0: ( PARAMETER = RIME     0 1 203 )  1 203 2 0 134 0 0 1 0 105 0 1 255 0 0
  FIELD: RIME    1 hybrid lvl valid  0 hour after 2022062100:00:00
  NO Optional Vertical Coordinate List.
  Num. of Data Points =  0    with BIT-MAP  0
  DRS TEMPLATE 5. 0 :  0 0 0 0 0
  Data Values:
  Num. of Data Points =  0   Num. of Data Undefined = 0
( PARM= RIME ) :  MIN=               0.00000000 AVE=                     -nan MAX=               0.00000000

But it does not handle 0 data points well...