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

• PNS 23-45 Public Information Statement requesting comments
• PNS 24-41 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)
• NBM v4.2 MEG Webinar (May 2024, PDF)
• Individual model cycle inputs per NBM cycle issuance (PDF)

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