<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Not clear why the period would blow up model so you may want to check values are consistent with expectations by setting<div class=""> useExfCheckRange  = .TRUE.,<br class=""><div><br class=""></div><div>Matt</div><div><br class=""></div><div><br class=""><blockquote type="cite" class=""><div class="">On Apr 1, 2022, at 2:36 AM, Stanislav Martyanov <<a href="mailto:martyanov.sd@gmail.com" class="">martyanov.sd@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Hello, Estanislao!<div class=""><br class=""></div><div class="">The runoffperiod should be set to -12, not to -1, if you want to use the climatic monthly-mean river discharge.</div><div class=""><br class=""></div><div class="">Best regards,</div><div class="">Stanislav Martyanov</div></div><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div class="gmail_quote" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div dir="ltr" class="gmail_attr">пт, 1 апр. 2022 г. в 12:15, ESTANISLAO GAVILAN PASCUAL-AHU <<a href="mailto:e.gavilan@hhu.edu.cn" class="">e.gavilan@hhu.edu.cn</a>>:<br class=""></div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div style="line-height: 1.7; font-size: 14px; font-family: Arial;" class=""><div class="">Hi community,</div><div class=""><br class=""></div><div class="">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 class=""><div class=""><div class=""> exf_yftype        = 'RL',</div><div class=""> useExfYearlyFields= .TRUE.,</div><div class=""> useExfCheckRange  = .FALSE.,</div><div class=""> &</div><div class=""> &EXF_NML_02</div><div class=""> runofffile        = '~/At_forcing/runoff',</div><div class=""> runoffstartdate1   = 19780115,</div><div class=""> runoffstartdate2   = 120000,</div><div class=""> runoffperiod      = -1.,</div></div><div class=""><br class=""></div></div><div class=""><div class=""> Kind regards.</div></div><div class=""><br class=""></div><div class="">Estanislao</div></div><br class="">_______________________________________________<br class="">MITgcm-support mailing list<br class=""><a href="mailto:MITgcm-support@mitgcm.org" target="_blank" class="">MITgcm-support@mitgcm.org</a><br class=""><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__mailman.mitgcm.org_mailman_listinfo_mitgcm-2Dsupport&d=DwMFaQ&c=-35OiAkTchMrZOngvJPOeA&r=HSHS34ROdfL7f2oVxuKB761hrMvWN1RWA5k3SHGts_s&m=tTVY2QNOiu2lPh4zc6hoOydBPSkeGKOLuJvrgCAOHsrnUSUkYk_hAxzKABJwiIdo&s=vD3iUlBfBGk_blr88d6A4mzc3jEby_OPpkLgjsGXzIk&e=" rel="noreferrer" target="_blank" class="">http://mailman.mitgcm.org/mailman/listinfo/mitgcm-support</a><br class=""></blockquote></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: nor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