Global Weather Forecast Model at 0.5 Degree Resolution

Global Forecast System (GFS) data provides dozens of atmospheric and land-soil variables for weather prediction. The model is produced by the National Centers for Environmental Prediction (NCEP) and runs four times daily. Forecasts extend out to 192 hours with a 0.5-degree horizontal resolution.

Use Cases

• Predict temperature and wind patterns using atmospheric model variables across a global 0.5-degree grid.
• Analyze soil moisture and precipitation trends for agricultural planning using land/soil model outputs.
• Forecast atmospheric ozone concentration levels for environmental monitoring.
• Model sea ice conditions by integrating outputs from the coupled ocean and sea ice models.
• Compare forecast accuracy at different lead times using data from the 3-hour temporal resolution.

Strengths

• Covers the entire globe with a base horizontal resolution of 18 miles (28 kilometers).
• Provides forecasts out to 16 days, generated four times daily (00z, 06z, 12z, 18z).
• Integrates four coupled models (atmosphere, ocean, land/soil, sea ice) for a comprehensive picture.

Limitations

• Horizontal resolution decreases to 44 miles (70 kilometers) for forecasts beyond one week, reducing detail.
• Specific row counts, column lists, and data volume metrics are not provided in the description.

Provenance

Source

National Centers for Environmental Prediction (NCEP).

Collection Method

Output from a coupled numerical weather prediction model.

Time Range

Forecasts generated out to 192 hours (16 days).

Freshness

Updated four times daily.

Geography

Global coverage.