NMC archives

"The purpose of this Office Note is to describe the various archive systems maintained by Automation Division, National Meteorological Center. Archive systems include permanent sequential (tape) data sets, and temporary sequential (tape) and random access (disk) data sets. The life cycle of temporary data sets is one month for tape data sets and 36 days for random access sets. The available data sets are listed below and subsequently described in detail. 1. Tape set of 00Z and 12Z LFM analysis and forecast fields. 2. Tape set of 00Z and 12Z OPERATIONAL analysis and forecast fields. 3. Tape set of 00Z and 12Z FINAL analysis and forecast fields. 4. Tape set of selected FINAL and/or OPERATIONAL analysis and forecast fields. 5. Tape set of upper air observational reports. 6. Tape set of surface observational reports. 7. Rotating 36-day disk set of selected operational analysis and forecast fields. 8. Rotating 36-day disk set of selected LFM analysis and forecast fields"--Page 1. Robert Gelhard. "April 1975." System requirements: Adobe Acrobat Reader. 1975 NWS (National Weather Service) Library Public Domain 1931