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Severe Weather for the Central High Plains; Heavy Rain/Flood Concerns in Parts of the East

Strong to severe thunderstorms capable of strong winds and large hail are possible over portions of the central High Plains this afternoon, including parts of the Denver metro area. A stalled front is expected to bring additional rain and flash flood risks in the Mid-Atlantic and Southeast through Thursday. Red flag warnings are in effect across the Interior Northwest and Great Basin today. Read More >

CODE B18.0r1.11


This is the public version of CODE for WSR-88D Build 18.0r1.11. It is based upon the ORPG Build 18.0r1.11 source code which was deployed in April 2018.

More information (including sample Level II data) can be found on the ROC web page at (click Software Build Information, Level II Data or Level III Data). 



This particular software package pertains to software developed for the NWS Weather Surveillance Radar-1988 Doppler (WSR-88D), also known as the Next Generation Weather Radar (NEXRAD). In particular, this software package pertains to the Open System Radar Product Generator (ORPG) module of the WSR-88D, and to an application development support package termed the Common Operations and Development Environment (CODE).


Certain components of the ORPG software are proprietary. These components are not included in this publicly available software package. Click here for more details.......




This package contains an archived file of the Public Edition of CODE B18.0r1.11. The archived file pub_code_b18_0r1_11.tar contains:

  • Source code for ORPG Build 18.0r1.11 ( April 2018) [NEW]
  • CODE Guide
    • Vol 1 - Setting Up the Development Environment [NEW]
    • Vol 2 - The ORPG Application Development Guide [NEW]
    • Vol 3 - WSR-88D Algorithm Programming Guide [NEW]
    • Vol 4 - The CODE Utility Guide [NEW]
  • Source code for CODE software
    • Sample Algorithms version 1.22a
    • WSR-88D Specific Development Utilities
      • CODEview Text (CVT) 4.4.3
      • CODEview Graphics (CVG) 9.2
      • Additional Utilities

PDF Documentation


For further information, a portion of the documents are available in PDF format. The primary purpose for these documents is printing and some of the links do not work. You can view the PDF Pages here.


Downloading and Installing CODE


Read the System Requirements and the CODE Disclaimer before installing CODE.

Note:  Due to technical issues the CODE B18.0r1.11Public Edition link below is not working at this time.  However, the latest public version of Build 18.0 CODE software can be obtained by sending a request to with the phrase "Public CODE RPG" in the subject line.

Download the pub_code_b18_0r1_11.tar.gz (73 MB) file now.

The archive file pub_code_b18_0r1_11.tar.gz contains the Public Edition of WSR-88D CODE Build 18.0r1.11(April 2018). This archive should be extracted directly onto a RedHat Enterprise 7 Workstation upon which the CODE environment will be installed.

  1. Simply place the archive in a directory and extract with the commands:
    gunzip pub_code_b18_0r1_11.tar.gz

        tar xvf pub_code_b18_0r1_11.tar

the contents are extracted in a sub-directory pub_code_b18_0r1_11.

  1. You can follow the Concise Installation Instructions to install CODE.