Changes between Initial version and Version 1 of Ticket #207


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Timestamp:
2010-03-04T10:45:11Z (15 years ago)
Author:
Dave Offiler
Comment:

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  • Ticket #207 – Description

    initial v1  
    33{{{
    44> -----Original Message-----
    5 
    65> From: helpdesk@grassaf.org [mailto:helpdesk@grassaf.org]
    7 
    86> Sent: Wednesday, March 03, 2010 2:42 PM
    9 
    107> To: undisclosed-recipients:
    11 
    128> Subject: GRAS SAF Helpdesk Request w.r.t. ROPP Software
    13 
    149>
    15 
     10> The GRAS SAF Helpdesk has received a question from Pietro Sofi
    1611>
    17 
    18 > The GRAS SAF Helpdesk has received a question from Pietro Sofi
    19 
     12> The helpdesk subject is:
    2013>
    21 
    22 > The helpdesk subject is:
    23 
     14> ending angle standard error deviations
    2415>
    25 
    26 > ending angle standard error deviations
    27 
     16> The helpdesk description is:
    2817>
    29 
    30 > The helpdesk description is:
    31 
     18> Dear ROPP team, I would be very grateful for your help on the
     19> following problem.
    3220>
    33 
    34 > Dear ROPP team, I would be very grateful for your help on the
    35 
    36 > following problem.
    37 
     21> Wen I give to ropp_1dvar_bangle a COSMIC atmProfile (from
     22> CDAAC) processed with ucar2ropp colocated with a ECMWF in the
     23> ropp-test data (VSDC for obs errors) I get:
    3824>
    39 
    40 > Wen I give to ropp_1dvar_bangle a COSMIC atmProfile (from
    41 
    42 > CDAAC) processed with ucar2ropp colocated with a ECMWF in the
    43 
    44 > ropp-test data (VSDC for obs errors) I get:
    45 
     25> ERROR (from ropp_1dvar_covar_bangle):  Bending angle standard error
     26> deviations requested on a per profile basis, but observation data file
     27> did not contain sigmas.
    4628>
    47 
    48 > ERROR (from ropp_1dvar_covar_bangle):  Bending angle standard error
    49 
    50 > deviations requested on a per profile basis, but observation data file
    51 
    52 > did not contain sigmas.
    53 
     29> Truly observation sigmas (~10-4) are present and in range ([0 0.01]).
    5430>
    55 
    56 > Truly observation sigmas (~10-4) are present and in range ([0 0.01]).
    57 
     31> I substituted, in my oc_20090430211921_c002_g008_ucar.nc
     32> file, bendings and sigmas from a colocated ropp-test observation file
     33> and ropp_1dvar_bangle successfully finished.
    5834>
    59 
    60 > I substituted, in my oc_20090430211921_c002_g008_ucar.nc
    61 
    62 > file, bendings and sigmas from a colocated ropp-test observation file
    63 
    64 > and ropp_1dvar_bangle successfully finished.
    65 
     35> I substituted sigmas only (~10-3) and I got:
    6636>
    67 
    68 > I substituted sigmas only (~10-3) and I got:
    69 
     37> ERROR (from ropp_1dvar_solve):  Initial cost function too high.
    7038>
    71 
    72 > ERROR (from ropp_1dvar_solve):  Initial cost function too high.
    73 
     39> (Note that i had to fill first the L1 fields in ucar2ropp output, as
     40> they were set to missing values, only generic bendings and sigmas were
     41> filled).
    7442>
    75 
    76 > (Note that i had to fill first the L1 fields in ucar2ropp output, as
    77 
    78 > they were set to missing values, only generic bendings and sigmas were
    79 
    80 > filled).
    81 
     43> What could be wrong?
    8244>
    83 
    84 > What could be wrong?
    85 
     45> Best regards,
     46> Pietro Sofi
    8647>
    87 
    88 > Best regards,
    89 
    90 > Pietro Sofi
    91 
    92 >
    93 
    9448}}}