Grell-Freitas scheme

The Grell-Freitas scheme is a scale-aware convection parameterization used in WRF and related regional modeling configurations.

Its scale-awareness is designed to reduce deep-convection parameterized mass flux as grid spacing approaches convection-permitting resolutions.

This makes it relevant for nested modeling setups where consistency across domains with different resolutions is important.

See also: Cumulus convection schemes, stochastically perturbed parameter scheme