diff --git a/src/main/python/gov/usgs/earthquake/nshmp/netcdf/utils/netcdf_attributes.py b/src/main/python/gov/usgs/earthquake/nshmp/netcdf/utils/netcdf_attributes.py
index f4b32a3346569255cac1f1082cc6476a84907344..e0e79cb98cf3d157373af8955bf19177a6182844 100644
--- a/src/main/python/gov/usgs/earthquake/nshmp/netcdf/utils/netcdf_attributes.py
+++ b/src/main/python/gov/usgs/earthquake/nshmp/netcdf/utils/netcdf_attributes.py
@@ -20,28 +20,34 @@ class NetcdfAttributes:
 
     @dataclass
     class GridMaskAttributes(NetcdfVariableAttributes):
-        description: str = "grid mask identifying lon,lat points with valid data"
+        description: str = "Grid mask identifying lon,lat points with valid data"
         flags: str = "0: no data, >0: number of hazard curves written to the grid point (lon,lat)"
         long_name: str = "Hazard Grid Mask"
 
     @dataclass
     class HazardAttributes(NetcdfVariableAttributes):
+        description: str = (
+            "Hazard curves with dimensions [siteClass X imt X latitude X longitude X imls]"
+        )
         long_name: str = "Hazard Curves"
         number_of_significant_figures: int = 9
         units: str = "Annual Frequency of Exceedance"
 
     @dataclass
     class ImlAttributes(NetcdfVariableAttributes):
+        description: str = "The intensity measure levels"
         long_name: str = "Intensity Measurement Level"
         number_of_significant_figures: int = 3
         units: str = "g"
 
     @dataclass
     class ImtAttributes(NetcdfVariableAttributes):
+        description: str = "The intensity measure type, uses NetCDF imt_t enum type"
         long_name: str = "Intensity Measurement Type"
 
     @dataclass
     class SiteClassAttributes(NetcdfVariableAttributes):
+        description: str = "The NEHERP site classes, uses NetCDF siteClass_t enum type"
         long_name: str = "NEHRP Site Class"
 
     @dataclass
diff --git a/src/main/python/gov/usgs/earthquake/nshmp/netcdf/utils/netcdf_parameters.py b/src/main/python/gov/usgs/earthquake/nshmp/netcdf/utils/netcdf_parameters.py
index 679e775d36b645ca9bf08c51dce204ed466fef9f..b61a03107d3976d35e8ad5abbde30e68d5c544d0 100644
--- a/src/main/python/gov/usgs/earthquake/nshmp/netcdf/utils/netcdf_parameters.py
+++ b/src/main/python/gov/usgs/earthquake/nshmp/netcdf/utils/netcdf_parameters.py
@@ -1,13 +1,3 @@
-"""
-Standard parameters and attributes for NSHMP netCDF variables.
-
-* Parameters = dictionary of named parameters to be passed into ncGroup.createVariable()
-  May contain parameters such as zlib, shuffle, least_significant_digit, chunksizes, etc.
-* Attributes = dictionary of attributes to be set for the variable
-  May contain arbitrary key-value pairs, attributes named 'key' will be assigned 'value'
-* Chunk size indices set to 0 will be set to the dimension size
-"""
-
 from dataclasses import asdict, dataclass, field
 from typing import Union
 
@@ -21,6 +11,13 @@ from .netcdf_utils import NetcdfUtils
 
 @dataclass
 class NetcdfVariableParameters:
+    """NetCDF parameters
+
+    NetCDF parameters for creating NetCDF variables
+    See: https://unidata.github.io/netcdf4-python/#Dataset.createVariable
+        for options
+    """
+
     attributes: dict = field(default_factory=lambda: NetcdfVariableAttributes().dict())
     datatype: Union[str, type(str), netcdf.EnumType] = field(
         default_factory=Union[str, type(str), netcdf.EnumType]
@@ -45,7 +42,7 @@ class NetcdfParameters:
             default_factory=lambda: NetcdfAttributes().BoundsAttributes().dict()
         )
         datatype: type(str) = str
-        dimensions: tuple[str] = field(default_factory=lambda: (NetcdfKeys.DATA_BOUNDS,))
+        dimensions: tuple[str] = field(default_factory=lambda: ())
         varname: str = NetcdfKeys.DATA_BOUNDS
 
     @dataclass