NCEP ADP Global Surface Observations is a global synoptic set of surface weather data reports, operationally collected by NCEP into three-hourly or six-hourly files. The dataset includes land and marine reports received via the Global Telecommunications System and serves as NCAR DSS' primary surface observation set. Data collection began in February 1975 and continues.
Use Cases
- Analyze temporal trends in surface temperature and pressure using three-hourly observation files.
- Model global weather patterns by integrating land and marine report data from the GTS.
- Validate climate simulations against historical surface observation records spanning decades.
- Study synoptic-scale weather events using the six-hourly aggregated data reports.
Strengths
- Continuous data collection from February 1975 onward provides a long-term record.
- Includes both land and marine surface observations for global coverage.
- Operational collection into three-hourly or six-hourly files offers structured temporal resolution.
Limitations
- Data description lacks specifics on row count, column names, or sample size.
- The last documented metadata update was in March 2007, indicating potential staleness.
- Unknown file formats and data size complicate initial access and processing.
Provenance
- Source
- NCAR's Data Support Section (DSS) and NCEP.
- Collection Method
- Operationally collected reports received via the Global Telecommunications System (GTS).
- Time Range
- February 1975 - continuing.
- Freshness
- Data collection is described as continuing, but metadata was last updated in 2007.
- Geography
- Global.