<div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr">Hello,<div><br></div><div>I am runing wrfda v3.7.1 with wrf output as first guess with the same version</div><div><br></div><div>I get this error message.</div><span class=""><div><div><b>---------------------------- FATAL ERROR -----------------------</b></div><div><b>Fatal error in file: <A HREF="<a href="http://www.mmm.ucar.edu/people/wrfhelp/wrfvar/code/trunk/da_transfer_xatowrf.html" target="_blank">http://www.mmm.ucar.edu/<wbr>people/wrfhelp/wrfvar/code/tru<wbr>nk/da_transfer_xatowrf.html</a>"><wbr>da_transfer_xatowrf.inc</a> LINE: 523</b></div><div><b>Negative height found</b></div><div><b> 1 1 ht = 0.00 terr = 917.85</b></div></div><div><b><br></b></div></span><div>I tried running wrfda at different dates but i get the same message. details can be found below </div><div><div class="h5"><div><br></div><div>Any help about this issue</div><div><br></div><div>Thank you </div><div>---------------------------</div><div>Rabah Hachelaf <br clear="all"><div><br></div><div><div> Namelist logging not found in namelist.input. Using registry defaults for variables in logging.</div><div> Namelist logging not found in namelist.input. Using registry defaults for variables in logging.</div><div>*** VARIATIONAL ANALYSIS ***</div><div>DYNAMICS OPTION: Eulerian Mass Coordinate</div><div> alloc_space_field: domain 1 , 1238097344 bytes allocated</div><div> Tile Strategy is not specified. Assuming 1D-Y</div><div>WRF TILE 1 IS 1 IE 126 JS 1 JE 119</div><div>WRF NUMBER OF TILES = 1</div><div>Set up observations (ob)</div><div><br></div><div>Using PREPBUFR format observation input</div><div><br></div><div>PREPBUFR ob with quality marker <= 3 will be retained.</div><div><br></div><div>BUFR file date is: <a href="tel:(201)%20702-0206" value="+12017020206" target="_blank">2017020206</a></div><div><br></div><div>da_read_obs_bufr: num_report, num_outside_all, num_outside_time, num_thinned: 726611 718442 6007 606</div><div><br></div><div>---------------------------- WARNING --------------------------</div><div>WARNING FROM FILE: <A HREF="<a href="http://www.mmm.ucar.edu/people/wrfhelp/wrfvar/code/trunk/da_read_obs_bufrgpsro.html" target="_blank">http://www.mmm.ucar.edu/<wbr>people/wrfhelp/wrfvar/code/tru<wbr>nk/da_read_obs_bufrgpsro.html</a>"<wbr>>da_read_obs_bufrgpsro.inc</a> LINE: 115</div><div>Error 209 opening PREPBUFR obs file gpsro.bufr</div><div><br></div><div>------------------------------<wbr>------------------------------<wbr>---</div><div>Observation summary</div><div> ob time 1</div><div> sound 4 global, 4 local</div><div> synop 663 global, 325 local</div><div> geoamv 653 global, 453 local</div><div> airep 2 global, 2 local</div><div> metar 803 global, 213 local</div><div> ships 24 global, 21 local</div><div> buoy 13 global, 7 local</div><div> sonde_sfc 4 global, 4 local</div><div><br></div><div> -----------------------------<wbr>-----------------------------</div><div> [3.0] Set up background errors (be) for cv_option: 3</div><div> -----------------------------<wbr>-----------------------------</div><div><br></div><div> DA_Setup_Background_Errors: 3DVAR dry control variables are:</div><div> psi, chi_u, t_u and psfc</div><div> DA_Setup_Background_Errors: 3DVAR humidity control variable is q/qsg</div><div><br></div><div>Number of vertical level for stats = 42</div><div>Number of latitude nlath = 96</div><div><br></div><div>Number of vertical level for WRFVar= 44</div><div><br></div><div>Calculate innovation vector(iv)</div><div><br></div><div>Minimize cost function using CG method</div><div><br></div><div>Starting outer iteration : 1</div><div>Starting cost function: 3.301798239210309D+03, Gradient= 9.829789996019176D+02</div><div>For this outer iteration gradient target is: 9.829789996019176D+00</div><div>------------------------------<wbr>----------------------------</div><div>Iter Cost Function Gradient Step</div><div> 1 2.719005896633761D+03 2.906470555254941D+02 1.206300070548171D-03</div><div> 2 2.645357831085666D+03 3.133340988836101D+02 1.743650684343028D-03</div><div> 3 2.475286887902234D+03 2.256548599909595D+02 3.464533746551636D-03</div><div> 4 2.366116947878990D+03 2.785693411827439D+02 4.287890482088381D-03</div><div> 5 2.229438545906306D+03 1.578624694940034D+02 3.522599376830007D-03</div><div> 6 2.107243629182738D+03 1.471099918306613D+02 9.806755568863334D-03</div><div> 7 2.021098453121903D+03 1.232462823447087D+02 7.961164832205861D-03</div><div> 8 1.950961308102985D+03 7.587640936737820D+01 9.234862285132388D-03</div><div> 9 1.904915216116388D+03 6.410027156096419D+01 1.599592039333001D-02</div><div> 10 1.873264275824461D+03 6.104756232296846D+01 1.540624356044626D-02</div><div> 11 1.832860050639247D+03 4.936784645891656D+01 2.168317110623152D-02</div><div> 12 1.814246100587928D+03 4.163449157860209D+01 1.527052570569676D-02</div><div> 13 1.798022975826483D+03 3.642028823357020D+01 1.888141175689533D-02</div><div> 14 1.770635300886065D+03 8.774786787140133D+01 3.176225026923313D-02</div><div> 15 1.774098476282437D+03 2.353093993152080D+01 8.109285881990733D-04</div><div> 16 1.760184917162055D+03 1.935158584686175D+01 4.811994886284193D-02</div><div> 17 1.759686608523642D+03 2.750925246265012D+01 3.110708088609492D-02</div><div> 18 1.749411577107546D+03 2.425154605490002D+01 2.164209868479755D-03</div><div> 19 1.754254013566127D+03 1.839405477378503D+01 1.995759048544696D-02</div><div> 20 1.741995076105325D+03 1.695030452549307D+01 2.372701284346408D-03</div><div> 21 1.744829300107479D+03 1.265758350422440D+01 1.974116025353439D-02</div><div> 22 1.742235441726910D+03 9.639330220241208D+00 2.979488766560573D-02</div><div>------------------------------<wbr>----------------------------</div><div><br></div><div>Inner iteration stopped after 22 iterations</div><div><br></div><div>Final: 22 iter, J= 1.742240590819867D+03, g= 9.639330220241154D+00</div><div>------------------------------<wbr>----------------------------</div><div><br></div><div>Diagnostics</div><div> Final cost function J = 1742.24</div><div><br></div><div> Total number of obs. = 3525</div><div> Final value of J = 1742.24059</div><div> Final value of Jo = 1563.70734</div><div> Final value of Jb = 178.53326</div><div> Final value of Jc = 0.00000</div><div> Final value of Je = 0.00000</div><div> Final value of Jp = 0.00000</div><div> Final value of Jl = 0.00000</div><div> Final J / total num_obs = 0.49425</div><div> Jb factor used = 1.00000</div><div> Je factor used = 1.00000</div><div> VarBC factor used = 1.00000</div><div><br></div><div><b>---------------------------- FATAL ERROR -----------------------</b></div><div><b>Fatal error in file: <A HREF="<a href="http://www.mmm.ucar.edu/people/wrfhelp/wrfvar/code/trunk/da_transfer_xatowrf.html" target="_blank">http://www.mmm.ucar.edu/<wbr>people/wrfhelp/wrfvar/code/tru<wbr>nk/da_transfer_xatowrf.html</a>"><wbr>da_transfer_xatowrf.inc</a> LINE: 523</b></div><div><b>Negative height found</b></div><div><b> 1 1 ht = 0.00 terr = 917.85</b></div><div>------------------------------<wbr>------------------------------<wbr>----</div><div><b>Warning: ieee_invalid is signaling</b></div><div><b>Warning: ieee_divide_by_zero is signaling</b></div><div><b>Warning: ieee_inexact is signaling</b></div><div><b>wrf_abort</b></div></div><div><br></div><div 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