Model runs from 2015 provide analysis and forecasts every 3 hours out to 84 hours. The dataset covers Alaska with a 553 by 425 point grid at 11.25 km resolution on a Polar Stereographic projection. It was produced by the NCEP North American Model and managed by the organization SCIOPS.
Use Cases
- Validate forecast accuracy of pressure levels from 1000 to 100 hPa against observational data.
- Analyze spatial patterns of atmospheric variables across the 553 by 425 point grid over Alaska.
- Study the temporal evolution of weather systems using 3-hourly forecast outputs up to 84 hours.
- Assimilate model analysis fields from the 0, 6, 12, and 18Z runs into regional forecasting systems.
Strengths
- High spatial resolution of 11.25 km across a 553 by 425 point grid.
- Provides 3-hourly forecast outputs extending to 84 hours from each model run.
- Includes vertical data across pressure levels from 1000 to 100 hPa.
Limitations
- Data is temporally stale, with the last update recorded in December 2015.
- Geographic coverage is limited to the Alaska region, not the broader North American domain.
Provenance
- Source
- NCEP North American Model, via NASA Earthdata.
- Collection Method
- Numerical weather prediction model outputs formatted for the AWIPS 242 (S) Grid.
- Time Range
- Model runs from 2015; specific start date is unknown.
- Freshness
- Last updated in 2015; update frequency is unknown.
- Geography
- Alaska, using a Polar Stereographic projection.