diff --git a/config/cesm/config_grids.xml b/config/cesm/config_grids.xml
index 1a1f45007de..791a437e988 100644
--- a/config/cesm/config_grids.xml
+++ b/config/cesm/config_grids.xml
@@ -229,6 +229,48 @@
       <grid name="rof">null</grid>
     </model_grid>
 
+    <model_grid alias="1x1_FNS" compset="DATM.+CLM">
+      <grid name="atm">1x1_FNS</grid>
+      <grid name="lnd">1x1_FNS</grid>
+      <grid name="rof">null</grid>
+    </model_grid>
+
+    <model_grid alias="1x1_BYV" compset="DATM.+CLM">
+      <grid name="atm">1x1_BVV</grid>
+      <grid name="lnd">1x1_BYV</grid>
+      <grid name="rof">null</grid>
+    </model_grid>
+
+    <model_grid alias="1x1_ISK" compset="DATM.+CLM">
+      <grid name="atm">1x1_ISK</grid>
+      <grid name="lnd">1x1_ISK</grid>
+      <grid name="rof">null</grid>
+    </model_grid>
+
+    <model_grid alias="1x1_HIS1" compset="DATM.+CLM">
+      <grid name="atm">1x1_HIS1</grid>
+      <grid name="lnd">1x1_HIS1</grid>
+      <grid name="rof">null</grid>
+    </model_grid>
+
+    <model_grid alias="1x1_HIS2" compset="DATM.+CLM">
+      <grid name="atm">1x1_HIS2</grid>
+      <grid name="lnd">1x1_HIS2</grid>
+      <grid name="rof">null</grid>
+    </model_grid>
+
+    <model_grid alias="1x1_ADVN" compset="DATM.+CLM">
+      <grid name="atm">1x1_ADVN</grid>
+      <grid name="lnd">1x1_ADVN</grid>
+      <grid name="rof">null</grid>
+    </model_grid>
+
+    <model_grid alias="1x1_SVN" compset="DATM.+CLM">
+      <grid name="atm">1x1_SVN</grid>
+      <grid name="lnd">1x1_SVN</grid>
+      <grid name="rof">null</grid>
+    </model_grid>
+
     <model_grid alias="1x1_urbanc_alpha" compset="DATM.+CLM">
       <grid name="atm">1x1_urbanc_alpha</grid>
       <grid name="lnd">1x1_urbanc_alpha</grid>
@@ -1520,6 +1562,48 @@
       <desc>1x1 Finnmark site -- only valid for DATM/CLM compset</desc>
     </domain>
 
+    <domain name="1x1_FNS">
+      <nx>1</nx> <ny>1</ny>
+      <file grid="atm|lnd">$DIN_LOC_ROOT/share/domains/FNS/domain.lnd.FNS.210121.nc</file>
+      <desc>1x1 LATICE MIP Finse site -- only valid for DATM/CLM compset</desc>
+    </domain>
+
+    <domain name="1x1_BYV">
+      <nx>1</nx> <ny>1</ny>
+      <file grid="atm|lnd">$DIN_LOC_ROOT/share/domains/BYV/domain.lnd.BYV.210121.nc</file>
+      <desc>1x1 LATICE MIP Bayelva site -- only valid for DATM/CLM compset</desc>
+    </domain>
+
+    <domain name="1x1_ISK">
+      <nx>1</nx> <ny>1</ny>
+      <file grid="atm|lnd">$DIN_LOC_ROOT/share/domains/ISK/domain.lnd.ISK.210121.nc</file>
+      <desc>1x1 LATICE MIP Iskoras site -- only valid for DATM/CLM compset</desc>
+    </domain>
+
+    <domain name="1x1_HIS1">
+      <nx>1</nx> <ny>1</ny>
+      <file grid="atm|lnd">$DIN_LOC_ROOT/share/domains/HIS1/domain.lnd.HIS1.210121.nc</file>
+      <desc>1x1 LATICE MIP Hisasen1 site -- only valid for DATM/CLM compset</desc>
+    </domain>
+
+    <domain name="1x1_HIS2">
+      <nx>1</nx> <ny>1</ny>
+      <file grid="atm|lnd">$DIN_LOC_ROOT/share/domains/HIS2/domain.lnd.HIS2.210121.nc</file>
+      <desc>1x1 LATICE MIP Hisasen2 site -- only valid for DATM/CLM compset</desc>
+    </domain>
+
+    <domain name="1x1_ADVN">
+      <nx>1</nx> <ny>1</ny>
+      <file grid="atm|lnd">$DIN_LOC_ROOT/share/domains/ADVN/domain.lnd.ADVN.210121.nc</file>
+      <desc>1x1 Adventhalen site -- only valid for DATM/CLM compset</desc>
+    </domain>
+
+    <domain name="1x1_SVN">
+      <nx>1</nx> <ny>1</ny>
+      <file grid="atm|lnd">$DIN_LOC_ROOT/share/domains/SVN/domain.lnd.SVN.210121.nc</file>
+      <desc>1x1 Svanhovd site -- only valid for DATM/CLM compset</desc>
+    </domain>
+
     <domain name="1x1_urbanc_alpha">
       <nx>1</nx> <ny>1</ny>
       <file grid="atm|lnd">$DIN_LOC_ROOT/share/domains/domain.clm/domain.lnd.1x1pt-urbanc_alpha_test.110201.nc</file>
diff --git a/src/components/data_comps_mct/datm/cime_config/namelist_definition_datm.xml b/src/components/data_comps_mct/datm/cime_config/namelist_definition_datm.xml
index 54cac31f40f..1079c9737d3 100644
--- a/src/components/data_comps_mct/datm/cime_config/namelist_definition_datm.xml
+++ b/src/components/data_comps_mct/datm/cime_config/namelist_definition_datm.xml
@@ -367,6 +367,13 @@
       <value stream="presaero.clim_2000" atm_grid="1x1_JOAS">JOAS/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_JOAS.nc</value>
       <value stream="presaero.clim_2000" atm_grid="1x1_LIAH">LIAH/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_LIAH.nc</value>
       <value stream="presaero.clim_2000" atm_grid="1x1_FINN">FINN/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_FINN.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_FNS">FNS/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_FNS.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_BYV">BYV/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_BYV.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_ISK">ISK/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_ISK.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_HIS1">HIS1/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_HIS1.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_HIS2">HIS2/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_HIS2.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_ADVN">ADVN/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_ADVN.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_SVN">SVN/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_SVN.nc</value>
       <value stream="presaero.clim_1850" cime_model="cesm">aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926.nc</value>
       <value stream="presaero.clim_2000" cime_model="cesm">aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926.nc</value>
       <value stream="presaero.clim_2010" cime_model="cesm">aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926.nc</value>
@@ -396,6 +403,13 @@
       <value stream="topo.observed" atm_grid="1x1_JOAS">JOAS/topodata_JOAS.nc</value>
       <value stream="topo.observed" atm_grid="1x1_LIAH">LIAH/topodata_LIAH.nc</value>
       <value stream="topo.observed" atm_grid="1x1_FINN">FINN/topodata_FINN.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_FNS">FNS/topodata_FNS.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_BYV">BYV/topodata_BYV.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_ISK">ISK/topodata_ISK.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_HIS2">HIS1/topodata_HIS1.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_HIS2">HIS2/topodata_HIS2.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_ADVN">ADVN/topodata_ADVN.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_SVN">SVN/topodata_SVN.nc</value>
       <value stream="topo.cplhist">null</value>
     </values>
   </entry>
@@ -481,6 +495,13 @@
       <value stream="CLM1PT.1x1_JOAS">$DIN_LOC_ROOT_CLMFORC/JOAS</value>
       <value stream="CLM1PT.1x1_LIAH">$DIN_LOC_ROOT_CLMFORC/LIAH</value>
       <value stream="CLM1PT.1x1_FINN">$DIN_LOC_ROOT_CLMFORC/FINN</value>
+      <value stream="CLM1PT.1x1_FNS">$DIN_LOC_ROOT_CLMFORC/FNS</value>
+      <value stream="CLM1PT.1x1_BYV">$DIN_LOC_ROOT_CLMFORC/BYV</value>
+      <value stream="CLM1PT.1x1_ISK">$DIN_LOC_ROOT_CLMFORC/ISK</value>
+      <value stream="CLM1PT.1x1_HIS1">$DIN_LOC_ROOT_CLMFORC/HIS1</value>
+      <value stream="CLM1PT.1x1_HIS2">$DIN_LOC_ROOT_CLMFORC/HIS2</value>
+      <value stream="CLM1PT.1x1_ADVN">$DIN_LOC_ROOT_CLMFORC/ADVN</value>
+      <value stream="CLM1PT.1x1_SVN">$DIN_LOC_ROOT_CLMFORC/SVN</value>
       <value stream="CLM1PT.CLM_USRDAT">$DIN_LOC_ROOT_CLMFORC/$CLM_USRDAT_NAME</value>
       <value stream="CPLHISTForcing">$DATM_CPLHIST_DIR</value>
       <value stream="CLM_QIAN.Solar">$DIN_LOC_ROOT/atm/datm7/atm_forcing.datm7.Qian.T62.c080727/Solar6Hrly</value>
@@ -571,6 +592,13 @@
       <value  stream="CLM1PT.1x1_JOAS">clm1pt_JOAS_%ym.nc</value>
       <value  stream="CLM1PT.1x1_LIAH">clm1pt_LIAH_%ym.nc</value>
       <value  stream="CLM1PT.1x1_FINN">clm1pt_FINN_%ym.nc</value>
+      <value  stream="CLM1PT.1x1_FNS">clm1pt_FNS_%ym.nc</value>
+      <value  stream="CLM1PT.1x1_BYV">clm1pt_BYV_%ym.nc</value>
+      <value  stream="CLM1PT.1x1_ISK">clm1pt_ISK_%ym.nc</value>
+      <value  stream="CLM1PT.1x1_HIS1">clm1pt_HIS1_%ym.nc</value>
+      <value  stream="CLM1PT.1x1_HIS2">clm1pt_HIS2_%ym.nc</value>
+      <value  stream="CLM1PT.1x1_ADVN">clm1pt_ADVN_%ym.nc</value>
+      <value  stream="CLM1PT.1x1_SVN">clm1pt_SVN_%ym.nc</value>
       <value  stream="CLM1PT.CLM_USRDAT">clm1pt_${CLM_USRDAT_NAME}_%ym.nc</value>
       <value  stream="CPLHISTForcing.Solar">$DATM_CPLHIST_CASE.cpl.ha2x1hi.%ym.nc</value>
       <value  stream="CPLHISTForcing.nonSolarFlux">$DATM_CPLHIST_CASE.cpl.ha2x3h.%ym.nc</value>
@@ -2302,6 +2330,13 @@
       <value stream="presaero.clim_2000" atm_grid="1x1_JOAS">JOAS/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_JOAS.nc</value>
       <value stream="presaero.clim_2000" atm_grid="1x1_LIAH">LIAH/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_LIAH.nc</value>
       <value stream="presaero.clim_2000" atm_grid="1x1_FINN">FINN/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_FINN.nc</value>        
+      <value stream="presaero.clim_2000" atm_grid="1x1_FNS">FNS/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_FNS.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_BYV">BYV/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_BYV.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_ISK">ISK/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_ISK.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_HIS1">HIS1/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_HIS1.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_HIS2">HIS2/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_HIS2.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_ADVN">ADVN/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_ADVN.nc</value>
+      <value stream="presaero.clim_2000" atm_grid="1x1_SVN">SVN/aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926_SVN.nc</value>
       <value stream="presaero.clim_2010">aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926.nc</value>
       <value stream="presaero.trans_1850-2000">aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926.nc</value>
       <value stream="presaero.clim_1850" cime_model="cesm">aerosoldep_WACCM.ensmean_monthly_hist_1849-2015_0.9x1.25_CMIP6_c180926.nc</value>
@@ -2344,6 +2379,13 @@
       <value stream="topo.observed" atm_grid="1x1_JOAS">JOAS/topodata_JOAS.nc</value>
       <value stream="topo.observed" atm_grid="1x1_LIAH">LIAH/topodata_LIAH.nc</value>
       <value stream="topo.observed" atm_grid="1x1_FINN">FINN/topodata_FINN.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_FNS">FNS/topodata_FNS.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_BYV">BYV/topodata_BYV.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_ISK">ISK/topodata_ISK.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_HIS1">HIS1/topodata_HIS1.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_HIS2">HIS2/topodata_HIS2.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_ADVN">ADVN/topodata_ADVN.nc</value>
+      <value stream="topo.observed" atm_grid="1x1_SVN">SVN/topodata_SVN.nc</value>
     </values>
   </entry>
 
@@ -2685,6 +2727,103 @@
         FLDS     lwdn
       </value>
 
+      <value  stream="CLM1PT.1x1_FNS.Solar">
+        FSDS swdn
+      </value>
+      <value  stream="CLM1PT.1x1_FNS.Precip">
+        PRECTmms precn
+      </value>
+      <value  stream="CLM1PT.1x1_FNS.TPQW">
+        TBOT     tbot
+        WIND     wind
+        QBOT     shum
+        PSRF     pbot
+        FLDS     lwdn
+      </value>
+
+      <value  stream="CLM1PT.1x1_BYV.Solar">
+        FSDS swdn
+      </value>
+      <value  stream="CLM1PT.1x1_BYV.Precip">
+        PRECTmms precn
+      </value>
+      <value  stream="CLM1PT.1x1_BYV.TPQW">
+        TBOT     tbot
+        WIND     wind
+        QBOT     shum
+        PSRF     pbot
+        FLDS     lwdn
+      </value>
+
+      <value  stream="CLM1PT.1x1_ISK.Solar">
+        FSDS swdn
+      </value>
+      <value  stream="CLM1PT.1x1_ISK.Precip">
+        PRECTmms precn
+      </value>
+      <value  stream="CLM1PT.1x1_ISK.TPQW">
+        TBOT     tbot
+        WIND     wind
+        QBOT     shum
+        PSRF     pbot
+        FLDS     lwdn
+      </value>
+
+      <value  stream="CLM1PT.1x1_HIS1.Solar">
+        FSDS swdn
+      </value>
+      <value  stream="CLM1PT.1x1_HIS1.Precip">
+        PRECTmms precn
+      </value>
+      <value  stream="CLM1PT.1x1_HIS1.TPQW">
+        TBOT     tbot
+        WIND     wind
+        QBOT     shum
+        PSRF     pbot
+        FLDS     lwdn
+      </value>
+
+      <value  stream="CLM1PT.1x1_HIS2.Solar">
+        FSDS swdn
+      </value>
+      <value  stream="CLM1PT.1x1_HIS2.Precip">
+        PRECTmms precn
+      </value>
+      <value  stream="CLM1PT.1x1_HIS2.TPQW">
+        TBOT     tbot
+        WIND     wind
+        QBOT     shum
+        PSRF     pbot
+        FLDS     lwdn
+      </value>
+
+      <value  stream="CLM1PT.1x1_ADVN.Solar">
+        FSDS swdn
+      </value>
+      <value  stream="CLM1PT.1x1_ADVN.Precip">
+        PRECTmms precn
+      </value>
+      <value  stream="CLM1PT.1x1_ADVN.TPQW">
+        TBOT     tbot
+        WIND     wind
+        QBOT     shum
+        PSRF     pbot
+        FLDS     lwdn
+      </value>
+
+      <value  stream="CLM1PT.1x1_SVN.Solar">
+        FSDS swdn
+      </value>
+      <value  stream="CLM1PT.1x1_SVN.Precip">
+        PRECTmms precn
+      </value>
+      <value  stream="CLM1PT.1x1_SVN.TPQW">
+        TBOT     tbot
+        WIND     wind
+        QBOT     shum
+        PSRF     pbot
+        FLDS     lwdn
+      </value>
 
       <value stream="CPLHISTForcing.Solar">
         a2x1hi_Faxa_swndr swndr
@@ -3217,6 +3356,27 @@
       <value stream="CLM1PT.1x1_FINN.Solar">0</value>
       <value stream="CLM1PT.1x1_FINN.Precip">5400</value>
       <value stream="CLM1PT.1x1_FINN.TPQW">5400</value>
+      <value stream="CLM1PT.1x1_FNS.Solar">0</value>
+      <value stream="CLM1PT.1x1_FNS.Precip">5400</value>
+      <value stream="CLM1PT.1x1_FNS.TPQW">5400</value>
+      <value stream="CLM1PT.1x1_BYV.Solar">0</value>
+      <value stream="CLM1PT.1x1_BYV.Precip">5400</value>
+      <value stream="CLM1PT.1x1_BYV.TPQW">5400</value>
+      <value stream="CLM1PT.1x1_ISK.Solar">0</value>
+      <value stream="CLM1PT.1x1_ISK.Precip">5400</value>
+      <value stream="CLM1PT.1x1_ISK.TPQW">5400</value>
+      <value stream="CLM1PT.1x1_HIS1.Solar">0</value>
+      <value stream="CLM1PT.1x1_HIS1.Precip">5400</value>
+      <value stream="CLM1PT.1x1_HIS1.TPQW">5400</value>
+      <value stream="CLM1PT.1x1_HIS2.Solar">0</value>
+      <value stream="CLM1PT.1x1_HIS2.Precip">5400</value>
+      <value stream="CLM1PT.1x1_HIS2.TPQW">5400</value>
+      <value stream="CLM1PT.1x1_ADVN.Solar">0</value>
+      <value stream="CLM1PT.1x1_ADVN.Precip">5400</value>
+      <value stream="CLM1PT.1x1_ADVN.TPQW">5400</value>
+      <value stream="CLM1PT.1x1_SVN.Solar">0</value>
+      <value stream="CLM1PT.1x1_SVN.Precip">5400</value>
+      <value stream="CLM1PT.1x1_SVN.TPQW">5400</value>
       <value stream="CPLHISTForcing.Solar">2700</value>
       <value stream="CPLHISTForcing.nonSolarFlux">900</value>
       <value stream="CPLHISTForcing.State3hr">900</value>
@@ -3501,6 +3661,20 @@
       <value stream="CLM1PT.1x1_LIAH.Precip">nearest</value>
       <value stream="CLM1PT.1x1_FINN.Solar">coszen</value>
       <value stream="CLM1PT.1x1_FINN.Precip">nearest</value>
+      <value stream="CLM1PT.1x1_FNS.Solar">coszen</value>
+      <value stream="CLM1PT.1x1_FNS.Precip">nearest</value>
+      <value stream="CLM1PT.1x1_BYV.Solar">coszen</value>
+      <value stream="CLM1PT.1x1_BYV.Precip">nearest</value>
+      <value stream="CLM1PT.1x1_ISK.Solar">coszen</value>
+      <value stream="CLM1PT.1x1_ISK.Precip">nearest</value>
+      <value stream="CLM1PT.1x1_HIS1.Solar">coszen</value>
+      <value stream="CLM1PT.1x1_HIS1.Precip">nearest</value>
+      <value stream="CLM1PT.1x1_HIS2.Solar">coszen</value>
+      <value stream="CLM1PT.1x1_HIS2.Precip">nearest</value>
+      <value stream="CLM1PT.1x1_ADVN.Solar">coszen</value>
+      <value stream="CLM1PT.1x1_ADVN.Precip">nearest</value>
+      <value stream="CLM1PT.1x1_SVN.Solar">coszen</value>
+      <value stream="CLM1PT.1x1_SVN.Precip">nearest</value>
       <value stream="CPLHISTForcing.Solar">nearest</value>
       <value stream="CPLHISTForcing.nonSolarFlux">nearest</value>
       <value stream="CPLHISTForcing.State3hr">linear</value>
@@ -3580,6 +3754,13 @@
       <value atm_grid="1x1_JOAS">cycle</value>
       <value atm_grid="1x1_LIAH">cycle</value>
       <value atm_grid="1x1_FINN">cycle</value>
+      <value atm_grid="1x1_FNS">cycle</value>
+      <value atm_grid="1x1_BYV">cycle</value>
+      <value atm_grid="1x1_ISK">cycle</value>
+      <value atm_grid="1x1_HIS1">cycle</value>
+      <value atm_grid="1x1_HIS2">cycle</value>
+      <value atm_grid="1x1_ADVN">cycle</value>
+      <value atm_grid="1x1_SVN">cycle</value>
     </values>
   </entry>