Feature 759 fr met py (#1025)

Co-authored-by: George McCabe <23407799+georgemccabe@users.noreply.github.com>

ci/docker/docker_env/README.md

@@ -85,6 +85,21 @@ docker push dtcenter/metplus-envs:pygrib
 ./scripts/pygrib_env.sh  py_embed_base
 ```
 
+## cfgrib (from fresh Python 3.6.8 environment)
+
+### Docker
+
+```
+docker build -t dtcenter/metplus-envs:cfgrib --build-arg ENV_NAME=cfgrib .
+docker push dtcenter/metplus-envs:cfgrib
+```
+
+### Local
+
+```
+./scripts/cfgrib_env.sh
+```
+
 ## netcdf4 (from metplus_base)
 
 ### Docker

ci/docker/docker_env/scripts/cfgrib_env.sh

@@ -0,0 +1,24 @@
+#! /bin/sh
+
+################################################################################
+# Environment: cfgrib
+# Last Updated: 2021-07-20 (mccabe@ucar.edu)
+# Notes: Adds Python packages needed to read GRIB data into Xarray and
+#   so it can easily be processed with MetPy
+# Python Packages:
+#   metpy==1.0.1
+#   netcdf4==1.5.6
+#   cfgrib==0.9.9.0
+#   pygrib==2.1.3
+#
+# Other Content: None
+################################################################################
+
+# Conda environment to create
+ENV_NAME=cfgrib
+
+conda create -y --name ${ENV_NAME} python=3.8.8
+conda install -y --name ${ENV_NAME} -c conda-forge metpy==1.0.1
+conda install -y --name ${ENV_NAME} -c conda-forge netcdf4==1.5.6
+conda install -y --name ${ENV_NAME} -c conda-forge cfgrib==0.9.9.0
+conda install -y --name ${ENV_NAME} -c conda-forge pygrib==2.1.3