salt haze
sand haze
sand wall
sand whirl
sandstorm
sastrugi
satellite infrared spectrometer - SIRS
satellite meteorology
satellite observation
satellite picture
satellite picture navigation
satellite sounding
satellite subpoint
satellite wind estimate
satellite winds
satellite zenith angle
saturated adiabatic
saturated air
saturated soil
saturation
saturation adiabatic
saturation adiabatic lapse rate
saturation deficit
saturation mixing ratio with respect to ice (ri)
saturation mixing ratio with respect to water (rw)
saturation vapour pressure in the pure phase with respect to ice (ei)
saturation vapour pressure in the pure phase with respect to water (ew)
saturation vapour pressure of moist air with respect to ice (e'i)
saturation vapour pressure of moist air with respect to water (e'w)
scale
scale height
scan line
scanning multifrequency microwave radiometer - SMMR
scanning radiometer
scattered radiation
scattering in the atmosphere
scavenging by precipitation
scintillation
scirocco
sea breeze
sea breeze front
sea fog
sea of cloud
sea of fog
sea salt nucleus
sea smoke
sea state
sea station
sea-level pressure
sea-surface temperature
seclusion
secondary circulation
secondary depression
secondary front
secondary radar
secondary rainbow
sectorized image
secular trend in climate
sedimentation
seeding agent
seiche
selected ship
selected ship station
selective absorption
semi-arid zone
semi-diurnal wave
semi-implicit method
semi-permanent anticyclone
semi-permanent depression
sensible heat
serein
severe weather
severe weather threat index - SWEAT index
sferics
sferics fix
sferics network
sferics recorder
shadow
shallow low
shamal
shape of the sky
shear layer
shear line
shear vector
shearing instability
shearing stress
shearing wave
sheet lightning
shelterbelt
shimmer
ship icing
ship observation
short wave
short-interval images
short-range forecast
short-wave radiation
shower
sigma coordinate system
significant weather
significant weather chart
silver iodide seeding
similarity theory of turbulence
simoon
simulated rainfall
single observer forecast
single station forecast
singularity
sinking
siphon barometer
sirocco
site of station
skew T - log p diagram
skill score
sky
sky map
sky radiation
sky slightly clouded
slant visibility
sleet
slice method
sling psychrometer
sling thermometer
slope of a front
slope of an isobaric surface
small hail
small halo
smog
smoke
smoke horizon
smoke pall
smoothing
snow
snow banner
snow blindness
snow blink
snow cover
snow crystals
snow day
snow density
snow depth
snow fence
snow flurry
snow grains
snow lying
snow melt
snow pack
snow pellets
snow pillow
snow plume
snow régime
snow rollers
snow sampler
snow shower
snow sky
snow smoke
snow stage
snow stake
snow survey
snow tube
snow-gauge
snow-line
snowdrift
snowfall
snowflake
snowstorm
sodar
soil air
soil climate
soil evaporimeter
soil moisture
soil moisture deficit
soil moisture tension
soil temperature
soil thermometer
solar activity
solar atmospheric tide
solar climate
solar constant
solar cycle
solar flare
solar halo
solar radiation
solar radio emission
solar wind
solar zenith angle
solarigram
solarigraph
solarimeter
solenoid
sonic speed
sound propagation
sound velocity
sounding
sounding balloon
source
source of an atmospheric
source of thunderstorm activity
source region
southern lights
southern oscillation
space charge
space meteorology
space-based subsystem
species of clouds
specific heat
specific heat capacity
specific humidity
spectral concentration (of a radiometric quantity)
spectral lines
spectral model
spectral numerical analysis
spectral numerical prediction
spectroheliograph
spectrometer
spectrum
specular reflection
speed of sound
spherical pyranometer
spherical pyrgeometer
spherical pyrradiometer
spherics
spiral band
spissatus (spi)
spontaneous condensation
spontaneous freezing
spontaneous nucleation
spontaneous sublimation
sporadic E layer
spot wind
spout
spray
spread F
squall
squall cloud
squall line
squall-line thunderstorm
stability
stability index
stability parameter
stable air
stable air mass
stagnation area
standard atmosphere
standard density altitude
standard isobaric surface
standard pressure altitude
standard raingauge
standard temperature
standard time of observation
standing cloud
standing eddies
standing wave
state of ground
state of sea
state of sky
state-of-sea scale
static instability
static stability
station circle
station designator
station index number
station location
station model
station number
station pressure
stationary front
statistical forecast
statistical model
steam fog
steering
steering flow
steering level
steppe climate
stepped leader
stochastic model
storm
storm surge
storm warning
stratification curve
stratiform cloud (other than Stratus)
stratiformis (str)
stratopause
stratosphere
stratospheric coupling
stratospheric steering
stratospheric warming
streak lightning
stream function
streamline
stress
strong breeze
strong gale
subfrontal cloud
subgeostrophic wind
subgradient wind
subgrid-scale process
subjective forecast
sublimation
sublimation nucleus
subregional broadcast
subsidence
subsidence inversion
subtropical anticyclone
subtropical calms
subtropical easterlies
subtropical high-pressure belt
subtropical high-pressure zone
suction vortices
sudden change report
sudden ionospheric disturbance
sudden warming
sugar snow
sukhovei
sulphur dioxide - SO2
sulphur rain
sultriness
summer monsoon
sun dog
sun pillar
sun-synchronous orbit
sun-synchronous satellite
sun-weather correlation
sunglint
sunlit aurora
sunshine record
sunshine recorder
sunspot cycle
superadiabatic lapse rate
supercell
supercooled cloud
supercooled fog
supercooled rain
supercooling
supergeostrophic wind
supergradient wind
superior mirage
supernumerary rainbow
supersaturation with respect to ice
supersaturation with respect to water
supplementary features
supplementary land station
supplementary observation
supplementary ship
supplementary ship station
supplementary station
supply current
surface boundary layer
surface chart
surface forecast chart
surface inversion
surface layer
surface observation
surface of discontinuity
surface ozone
surface radiation budget
surface roughness
surface runoff
surface synoptic chart
surface synoptic station
surface temperature of water
surface trough
surface wind
surface wind stress
surge current
surge line
swell
swinging plate anemometer
symmetry point
synoptic analysis
synoptic chart
synoptic climatology
synoptic forecast
synoptic hour
synoptic meteorology
synoptic observation
synoptic report
synoptic scale
synoptic situation
synoptic station
synoptic type
synthetic aperture radar - SAR