G
G - Gust or Green
GA - Georgia
GEN - General
GENLY - Generally
GEO - Geographic or true
GEOREF - Geographical reference
GF - Ground fog
GICG - Glaze icing
GLFALSK - Gulf of Alaska
GLFCAL - Gulf of California
GLFMEX - Gulf of Mexico
GLFSTLAWR - Gulf of St. Lawrence
GMDSS - Global Maritime Distress and Safety System
GND - Ground
GNDFG - Ground fog
GOES - Geostationary Orbiting Environmental Satellite
GOM - Global Ocean Model
GPS - Global Positioning System
GR - Hail
GRAD - Gradient
GRDL - Gradual
GRDLY - Gradually
GRID - Processed meteorological data in the form of grid point values
GRT - Great
GRTLKS - Great Lakes
GRTLY - Greatly
GRTR - Greater
GRTST - Greatest
GS - Small hail and/or snow pellets
GSTS - Gusts
GSTY - Gusty
GV - Ground visibility