daily maximum temperature
daily minimum temperature
daily range of temperature
dangerous semicircle
dart leader
data assimilation
dawn chorus
day of snow lying
dayglow
decade
deepening of a depression
deformation field
degree-day
dekad
delta region
dendritic snow crystals
dendroclimatology
density of dry air
density of moist air
density of snow
depegram
depression
depression of the dew point
depth hoar
depth of snow
depth-area curve
depth-area-duration analysis
depth-duration curve
depth-duration-frequency curve
desert climate
desertification
desiccation
design flood
design storm
detrainment
deviating force
dew
dew point (Td)
dew-point deficit
dew-point depression
dew-point front
dew-point hygrometer
dew-point spread
dew-point temperature
dewbow
dewcell
dewgauge
diabatic process
diagnosis
diagnostic equation
diagnostic model
diamond dust
differential analysis
differential kinematics
diffluence
diffraction phenomenon
diffuse front
diffuse illuminance
diffuse reflection
diffuse skylight
diffuse solar radiation
diffused light
diffusion
diffusion model
diffusive equilibrium
diffusivity
diffusometer
dip of the horizon
direct solar radiation
direct-reading instrument
direction and speed of movement of a cloud
direction of movement of the waves
dirigible balloon ascent
discharge
discomfort zone
discontinuity
disdrometer
dissipation
dissipation trail
distrail
diurnal wave
divergence
divergence equation
divergence line
divergence theory of cyclogenesis
doldrums
dosimeter
double-theodolite technique
downburst
downdraught
downstream
downward terrestrial radiation
downward total radiation
downwash
drag
drag coefficient
drift
drift current
drifting buoy
drifting dust
drifting sand
drifting snow
driving rain index
driving rain on buildings
drizzle
drop spectrum
drop-size distribution
drop-size meter
drop-size spectrometer
droplet spectrum
dropping flare
dropsonde
drosometer
drought
drought index
dry adiabat
dry adiabatic
dry air
dry convection
dry line
dry season
dry snow
dry spell
dry stage
dry tongue
dry wind
dry-adiabatic lapse rate
dry-bulb temperature
dry-bulb thermometer
dry-ice seeding
duplicatus (du)
dust counter
dust devil
dust haze
dust horizon
dust wall
dust whirl
duststorm
dynamic climatology
dynamic coefficient of viscosity
dynamic cooling
dynamic initialization
dynamic instability
dynamic meteorology
dynamic metre
dynamic pressure
dynamic stability
dynamic trough
dynamic viscosity
dynamic warming