National Digital Guidance Database (NDGD)
Many NDGD products are available for download through the NOAA National Operational Model Archive and Distribution System (NOMADS). For data not available online, access is through the NCEI HDSS Access Service (HAS) offline request system. HAS requests are limited to one day at a time due to the size of the data and required processing.
|Product||Grid/Scale||Period of Record||Model Cycle||Output Timestep||Data Access Links|
|NDGD and RTMA||Various||
Approx. ten years to present online
|Daily, various cycles||Various||FTP HTTPS TDS|
|NDGD and RTMA||Various||30May2007–Present||Daily, various cycles||Various||HAS|
Data Usage Notes