<div dir="ltr"><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)">Hi all,</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)">I'm having some issues with the EXF package which I just can't understand. Maybe one of you can help.</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)">I am running a regional model configuration using the OBCS package. In my first experiment I set</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)">periodicExternalForcing=.TRUE.,<div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">externForcingPeriod=2592000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">externForcingCycle=31104000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">tauThetaClimRelax = 864000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">tauSaltClimRelax = 2592000.,</div><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)">in the data file, i.e. I restore surface T/S with above restoring time scale/forcing period/forcing cycle. This works fine. </div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)">Then I wanted to add sea ice to my open boundary conditions which, if I understand correctly, means that I have to use the EXF package to set the restoring <span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">time scale/forcing period/forcing cycle. To move forward in baby steps, I didn't use sea ice yet, but just tried to let the EXF package do exactly the same as the restoring and obcs did before I switched to the EXF package. See below for my data.exf file. But when I try and run this, the solver immediately writes NaNs, despite me using the same initial conditions, obcs files,  and restoring files as before. I would have thought that both ways of using OBCS and restoring should give the same results, but one runs fine while the other one crashes immediately without me being able to find the issue.</span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">Please let me know if anyone is seeing something I'm doing wrong here.</span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">Thanks in advance!</span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">Andreas Klocker</span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)">#<div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># *********************</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># External Forcing Data</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># *********************</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> &EXF_NML_01</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># useExfCheckRange  = .TRUE.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># repeatPeriod      = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> exf_iprec         = 32,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> exf_iprec_obcs    = 32,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> useAtmWind=.FALSE.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> readStressOnAgrid=.TRUE.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> &</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># *********************</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> &EXF_NML_02</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> ustressstartdate1 = 19790101,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> ustressstartdate2 = 000000,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> ustressperiod     = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> ustressRepCycle   = 31104000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> vstressstartdate1 = 19790101,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> vstressstartdate2 = 000000,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> vstressperiod     = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> vstressRepCycle   = 31104000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsststartdate1  = 19790101,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsststartdate2  = 000000,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsstperiod      = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsstTauRelax    = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsstRepCycle    = 31104000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsssstartdate1  = 19790101,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsssstartdate2  = 00000,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsssperiod      = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsssTauRelax    = 864000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsssRepCycle    = 31104000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> ustressfile       = 'TauX_BSOSE ',</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> vstressfile       = 'TauY_BSOSE ',</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsstfile       = 'SST_BSOSE.res ',</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> climsssfile       = 'SSS_BSOSE.res',</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> &</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># *********************</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> &EXF_NML_03</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> &</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># *********************</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># old open64 compiler (4.2.1) cannot skip this namelist to read in the next one;</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># comment out this namelist (not read).</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#&EXF_NML_04</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#&</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># *********************</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> &EXF_NML_OBCS</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"># useOBCSYearlyFields = .TRUE.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsSstartdate1   = 19790101,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsSstartdate2   = 000000,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsSperiod       = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsSRepCycle     = 31104000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsNstartdate1   = 19790101,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsNstartdate2   = 000000,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsNperiod       = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsNRepCycle     = 31104000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsWstartdate1   = 19790101,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsWstartdate2   = 000000,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsWperiod       = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsWRepCycle     = 31104000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsEstartdate1   = 19790101,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsEstartdate2   = 000000,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsEperiod       = 2592000.0,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> obcsERepCycle     = 31104000.,</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit">#</div><div style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit"> &</div></div><br class="gmail-Apple-interchange-newline"></div>