<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div>Hi community,</div><div><br /></div><div>I am trying to force MITgcm with monthly runoff. I think I am not writing well the startdate because the model blows everytime. I do not get any error from the model, but I have checked everything. It only happens when I set the period -1. This is the my data.exf for the river. Thank in advance for all your help</div><div><div><div> exf_yftype = 'RL',</div><div> useExfYearlyFields= .TRUE.,</div><div> useExfCheckRange = .FALSE.,</div><div> &</div><div> &EXF_NML_02</div><div> runofffile = '~/At_forcing/runoff',</div><div> runoffstartdate1 = 19780115,</div><div> runoffstartdate2 = 120000,</div><div> runoffperiod = -1.,</div></div><div><br /></div></div><div><div> Kind regards.</div></div><div><br /></div><div>Estanislao</div></div><br>