Meteoglos - Glossary of meteorological terms
- rabal
- radiation
- radiosonde balloon / sounding balloon
- radon
- rain
- rain bubble
- rain gauge
- rainbow
- raindrop
- raindrop bubble
- Rayleigh scattering
- recurvature
- reforestation
- relative humidity
- remnants
- reservoir
- resilience
- Ridge
- rime
- river rise / spate
- rosy cloud
- rotor cloud
- runoff
- Saint Elmo's fire
- Santa Ana
- saturation
- scintillation
- sea breeze
- sea mist
- sea of clouds
- sea spray / sea scent
- sea state
- Sea Surface Temperature
- seiche
- sensible heat
- sheltered
- shoulder season weather
- Shower
- silver iodide
- simoom
- sink
- sirocco
- sky
- sky blue
- sleet
- sleet / ice pellets
- smog
- smoke
- snow
- snow flurries
- snow level
- snow pellets
- Snow sluff
- Snowball Earth
- snowfall
- snowfield
- snowflake
- soften
- solar constant
- solar storm
- solstice
- sounding
- spate
- spectrophotometer
- sprite
- squall line
- stability
- stagnation cloud
- Standard Atmosphere
- Standardized Precipitation Index
- stationary front
- STEVE
- Stevenson screen / weather shelter
- storm
- stormwater tank
- stratosphere
- Stratus (St)
- sublimation
- sudden stratospheric warming
- sun glare
- sunny spell
- sunrise
- sunset cloud bank
- swell