Downloading data from S3 Bucket

This dataset is available as part of the AWS Open Data Program, therefore egress fees are not charged to either the host or the person downloading the data.
Instructions for downloading the aws command line.

Instructions to Download AWS Command Line
Once you have it installed, you can use it without credentials.
Example commands:
To query how much data is in a bucket:

aws s3 ls --summarize --region=us-east-1 --human-readable --recursive s3://cmas-amet

Tail of Output:

2023-07-20 08:58:36    3.9 GiB AMET/v1.5_example/MET/metExample_wrf/wrfout_subset_2016-07-28_00:00:00
2023-07-20 08:59:05    3.9 GiB AMET/v1.5_example/MET/metExample_wrf/wrfout_subset_2016-07-29_00:00:00
2023-07-20 08:59:08    3.9 GiB AMET/v1.5_example/MET/metExample_wrf/wrfout_subset_2016-07-30_00:00:00
2023-07-20 08:59:27    3.9 GiB AMET/v1.5_example/MET/metExample_wrf/wrfout_subset_2016-07-31_00:00:00
2022-05-12 10:53:20   30.9 KiB index.html
2023-07-19 17:10:57  944 Bytes readme.html

Total Objects: 139
   Total Size: 834.6 GiB

Command to copy files from the bucket to your local filesystem (the system where you are running the aws cli) and place it under the path that you specify for /your_local_path.

aws s3 --no-sign-request --region=us-east-1 cp --recursive s3://cmas-amet/ /your_local_path/

Please submit any questions or difficulties as a new issue on the CMAS User Forum.
CMAS User Forum