NBM Documentation

The interactive NBM Text Products Page with live with operational products can be found here. For older documentation, please refer to the previous versions page.

NBM Version 4.2 (Experimental)

• PNS 23-45 Public Information Statement requesting comments
• PNS 24-XX Service Change Notification

4.2 Development

• Upgrades and Improvements (PDF)
• Cobb Melting SLR Method (PDF)
• Initial Science Briefing (Sep 2023, PDF)
• Supplemental Science Briefing (Jan 2024, PDF)
• Individual model cycle inputs per NBM cycle issuance (PDF)
• Note - valid for both NBM versions 4.2 and 4.1

NBM Version 4.1

• NBM Weather Elements
• NBM Data Availability

Additional Resources

• NBM Training Modules
• NBM Presentations
• NBM Technical Notices
• NBM VLab Community (NOAA login required)
• Verification 
• NBM Experimental Quick-Look Graphics 
• Description of Field-Selected Algorithms for National Blend of Models