What Is Spaghetti Plot?
A map showing one line from each ensemble forecast. When the lines stay bunched, forecasters are confident; when they scatter, they are not. In technical terms: A display of selected contours (e.g., one 500 hPa height line) or storm tracks from each ensemble member on a single chart, illustrating ensemble spread and forecast uncertainty.
Also called: Spaghetti Diagram, Spaghetti Models
Spaghetti Plot In Plain English
A map showing one line from each ensemble forecast. When the lines stay bunched, forecasters are confident; when they scatter, they are not.
The Technical Definition
A display of selected contours (e.g., one 500 hPa height line) or storm tracks from each ensemble member on a single chart, illustrating ensemble spread and forecast uncertainty.
Lessons That Use Spaghetti Plot
- Ensembles And Forecast Uncertainty Unit 14: Forecast Models