revise warn msg for retention with EWAA#673

Rick-Methot-NOAA merged 1 commit intomainnmfs-ost/ss3-source-code:mainfrom

review_warn_msg_for_retention_with_EWAAnmfs-ost/ss3-source-code:review_warn_msg_for_retention_with_EWAACopy head branch name to clipboard