diff --git a/configuration/scripts/icepack.batch.csh b/configuration/scripts/icepack.batch.csh
index 841f1cd9f..94ac0696c 100755
--- a/configuration/scripts/icepack.batch.csh
+++ b/configuration/scripts/icepack.batch.csh
@@ -59,6 +59,16 @@ cat >> ${jobfile} << EOFB
 #PBS -l nodes=1:ppn=24
 EOFB
 
+else if (${ICE_MACHINE} =~ izumi*) then
+cat >> ${jobfile} << EOFB
+#PBS -j oe 
+###PBS -m ae 
+#PBS -V
+#PBS -q short
+#PBS -N ${ICE_CASENAME}
+#PBS -l nodes=1:ppn=48
+EOFB
+
 else if (${ICE_MACHINE} =~ thunder* || ${ICE_MACHINE} =~ gordon* || ${ICE_MACHINE} =~ conrad* || ${ICE_MACHINE} =~ gaffney* || ${ICE_MACHINE} =~ koehr*) then
 cat >> ${jobfile} << EOFB
 #PBS -N ${shortcase}
diff --git a/configuration/scripts/machines/Macros.izumi_intel b/configuration/scripts/machines/Macros.izumi_intel
new file mode 100755
index 000000000..5a538874e
--- /dev/null
+++ b/configuration/scripts/machines/Macros.izumi_intel
@@ -0,0 +1,26 @@
+#==============================================================================
+# Makefile macros for NCAR cheyenne, intel compiler
+#==============================================================================
+
+CPP        := fpp
+CPPDEFS    := -DFORTRANUNDERSCORE ${ICE_CPPDEFS}
+CFLAGS     := -qno-opt-dynamic-align -fp-model precise -std=gnu99
+
+FIXEDFLAGS := -fixed -132
+FREEFLAGS  := -free
+FFLAGS     := -qno-opt-dynamic-align  -convert big_endian -assume byterecl -ftz -traceback -assume realloc_lhs -fp-model source -lifcore 
+FFLAGS_NOOPT:= -O0
+FC_AUTO_R8 := -r8
+
+ifeq ($(ICE_BLDDEBUG), true)
+  FFLAGS     += -O0 -g -check uninit -check bounds -check pointers -fpe0 -check noarg_temp_created
+else
+  FFLAGS     += -O2 -debug minimal
+endif
+
+SCC := icc
+SFC := ifort
+CC := $(SCC)
+FC := $(SFC)
+LD := $(FC)
+
diff --git a/configuration/scripts/machines/Macros.izumi_nag b/configuration/scripts/machines/Macros.izumi_nag
new file mode 100755
index 000000000..c56852abb
--- /dev/null
+++ b/configuration/scripts/machines/Macros.izumi_nag
@@ -0,0 +1,29 @@
+#==============================================================================
+# Makefile macros for NCAR cheyenne, nag compiler
+#==============================================================================
+
+CPP        := /usr/bin/cpp
+CPPFLAGS   := -P -traditional
+CPPDEFS    := -DFORTRANUNDERSCORE -DNO_CRAY_POINTERS -DNO_SHR_VMATH -DCPRNAG ${ICE_CPPDEFS}
+CFLAGS     := -std=gnu99
+
+FIXEDFLAGS := -fixed
+FREEFLAGS  := -free
+FFLAGS     := -Wp,-macro=no_com -convert=BIG_ENDIAN
+FFLAGS_NOOPT:= -Wp,-macro=no_com -convert=BIG_ENDIAN
+FC_AUTO_R8 := -r8
+
+ifeq ($(ICE_BLDDEBUG), true)
+  FFLAGS   += -C=all -g -gline -time -f2003 -ieee=stop
+else
+  FFLAGS   += -O2 -ieee=full
+endif
+
+SCC := cc
+SFC := nagfor
+CC := $(SCC)
+FC := $(SFC)
+LD := $(FC)
+
+SLIBS   := -L$(COMPILER_PATH)/lib/NAG_Fortran
+
diff --git a/configuration/scripts/machines/env.hobart_intel b/configuration/scripts/machines/env.hobart_intel
index 254996a02..7a14e35ba 100755
--- a/configuration/scripts/machines/env.hobart_intel
+++ b/configuration/scripts/machines/env.hobart_intel
@@ -5,7 +5,7 @@ source /usr/share/Modules/init/csh
 module load compiler/intel/18.0.3
 
 setenv ICE_MACHINE_ENVNAME hobart
-setenv ICE_MACHINE_COMPILER nag
+setenv ICE_MACHINE_COMPILER intel
 setenv ICE_MACHINE_MAKE gmake
 setenv ICE_MACHINE_WKDIR /scratch/cluster/$user/ICEPACK_RUNS
 setenv ICE_MACHINE_INPUTDATA /fs/cgd/csm/inputdata
diff --git a/configuration/scripts/machines/env.izumi_intel b/configuration/scripts/machines/env.izumi_intel
new file mode 100755
index 000000000..7567a447a
--- /dev/null
+++ b/configuration/scripts/machines/env.izumi_intel
@@ -0,0 +1,17 @@
+#!/bin/csh -f
+
+source /usr/share/Modules/init/csh
+
+module load compiler/intel/19.0.1
+
+setenv ICE_MACHINE_ENVNAME izumi
+setenv ICE_MACHINE_COMPILER intel
+setenv ICE_MACHINE_MAKE gmake
+setenv ICE_MACHINE_WKDIR /scratch/cluster/$user/ICEPACK_RUNS
+setenv ICE_MACHINE_INPUTDATA /fs/cgd/csm/inputdata
+setenv ICE_MACHINE_BASELINE /scratch/cluster/$user/ICEPACK_BASELINE
+setenv ICE_MACHINE_SUBMIT "qsub"
+setenv ICE_MACHINE_ACCT P00000000
+setenv ICE_MACHINE_QUEUE "debug"
+setenv ICE_MACHINE_TPNODE 24
+setenv ICE_MACHINE_BLDTHRDS 1
diff --git a/configuration/scripts/machines/env.izumi_nag b/configuration/scripts/machines/env.izumi_nag
new file mode 100755
index 000000000..aec52a0ad
--- /dev/null
+++ b/configuration/scripts/machines/env.izumi_nag
@@ -0,0 +1,19 @@
+#!/bin/csh -f
+
+source /usr/share/Modules/init/csh
+
+module purge
+module load compiler/nag/6.2
+
+setenv ICE_MACHINE_ENVNAME izumi
+setenv ICE_MACHINE_COMPILER nag
+setenv ICE_MACHINE_MAKE gmake
+setenv ICE_MACHINE_WKDIR /scratch/cluster/$user/ICEPACK_RUNS
+setenv ICE_MACHINE_INPUTDATA /fs/cgd/csm/inputdata
+setenv ICE_MACHINE_BASELINE /scratch/cluster/$user/ICEPACK_BASELINE
+setenv ICE_MACHINE_SUBMIT "qsub"
+setenv ICE_MACHINE_QSTAT "qstat "
+setenv ICE_MACHINE_QUEUE "debug"
+setenv ICE_MACHINE_ACCT P00000000
+setenv ICE_MACHINE_TPNODE 24
+setenv ICE_MACHINE_BLDTHRDS 1