diff --git a/dartwrf/run_ens.jet.sh b/dartwrf/run_ens.jet.sh
index 6b9245f8af9afff2b2b503fb446dc489041fb623..eacc30369603de88df955c6bcb024854e005462b 100755
--- a/dartwrf/run_ens.jet.sh
+++ b/dartwrf/run_ens.jet.sh
@@ -1,37 +1,27 @@
 module purge
 module load intel-parallel-studio/composer.2020.2-intel-20.0.2-zuot22y \
  netcdf-fortran/4.5.3-intel-20.0.2-irdm5gq
-#export SLURM_STEP_GRES=none
+export SLURM_STEP_GRES=none
 
 echo "SLURM_ARRAY_TASK_ID:"$SLURM_ARRAY_TASK_ID
 EXPNAME=<exp.expname> 
-
 MAINDIR=<cluster.wrf_rundir_base> 
-pinning=(0-9 10-19 20-29 30-39)
 
-for ((n=1; n<=4; n++))
-do
-    RUNDIR=$USERDIR/run_WRF/$EXPNAME/$IENS
-    cd $RUNDIR
-    rm -r wrfout_d01_*
-    echo 'mpirun -genv I_MPI_PIN_PROCESSOR_LIST=${pinning[$n]} -np 10 ./wrf.exe >/dev/null 2>&1'
-    mpirun -genv I_MPI_PIN_PROCESSOR_LIST=${pinning[$n]} -np 10 ./wrf.exe >/dev/null 2>&1
-    cd ../
-done
-wait
+IENS=$SLURM_ARRAY_TASK_ID
+RUNDIR=$MAINDIR/$EXPNAME/$IENS
+echo "ENSEMBLE NR: "$IENS" in "$RUNDIR
+cd $RUNDIR
+rm -rf rsl.out.0*
+echo "mpirun -np 10 ./wrf.exe"
+mpirun -np 10 ./wrf.exe
+
 
 # error checking
-for ((n=1; n<=4; n++))
-do
-   IENS="$(((($SLURM_ARRAY_TASK_ID - 1)* 4) + $n))"
-   RUNDIR=$MAINDIR/$EXPNAME/$IENS
-   cd $RUNDIR
-   line=`tail -n 1 rsl.out.0000`
-   if [[ $line == *"SUCCESS COMPLETE WRF"* ]]; 
-   then 
-      echo $RUNDIR 'SUCCESS COMPLETE WRF'
-   else  
-      echo $RUNDIR $line
-      exit 1
-   fi
-done
+line=`tail -n 2 rsl.out.0000`
+if [[ $line == *"SUCCESS COMPLETE WRF"* ]]; 
+then 
+   echo $RUNDIR 'SUCCESS COMPLETE WRF'
+else  
+   echo $RUNDIR $line
+   exit 1
+fi