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Terms R
rainband
Röntgen ray
réseau
RVR
rush of snowmelt flood
runway visual range
runway visibility
runway temperature
runway observation
runway elevation
runoff plot
runoff cycle
runoff coefficient
runoff
rules of inference
rule-based system
rule
rubber ice
route forecast
route cross section
route component
roundoff error
roughness sublayer
rough air
rotten ice
rotoscope
rotenturm wind
rotational instability
rotational
rotating Reynolds number
rotating multicylinder
rotary current
Rossby–gravity wave
Rossby wave
Rossby regime
Rossby radius of deformation
Rossby parameter
Rossby number similarity
Rosemount temperature housing
rosau
rope cloud
root-mean-square error
rondada
ROMET
rolls
rollers
roll cloud
ROFOT
ROFOR
rocketsonde
rocket-triggered lightning
rocket lightning
rocket
rockair
Robitzsch actinograph
robin sphere
Robin Hood's wind
ROB
roaring forties
Road weather
RMTN
rmse
river system
river surface temperature
river stage
river gauge
river forecast
river basin
river
rising tide
rising limb
rise time
ripple wave
ripple
ripening of snow
ripe
rip current
rip
Ringelmann chart
Rinehart projection
rime rod
rime ice
rime fog
rime
right-handed rectangular coordinates
right-hand rotation
right ascension
riefne
ridge line
Richardson number
ribut
ribbon lightning
rhumb-line course
RHI
RF signal
RF
Reynolds stresses
Reynolds number
Reynolds effect
Reynolds averaging
revolving storm
revised local reference
reversing thermometer
reversing current
reversible process
reversible moist-adiabatic process
reverse-oriented monsoon trough
reverse flow thermometer housing
reverse cell
reversal temperature
reversal of the monsoon
returning polar maritime air
return stroke
return period
return flow
retroreflector
retroreflection
retrogression
retrograde wave
retrograde depression
retreater
retention storage
retention curve
retarding basin
retarded flow
resultant wind
resultant
restoring
rest mass
responsive parameterization
response function
response analysis
responder
resonator
resonance waves over thermals
resonance waves over hills
resonance trough
resonance theory
resonance fluorescence
resonance
resistivity
resistance thermometer
residual mass curve
residual layer
residual depression storage
residual
residence time
reshabar
reservoir compounds
reservoir
Research to Operations
representativeness
representative meteorological observation
representative basin
remote sensing
relaxed eddy accumulation
relaxation time
relaxation of a trough
relaxation method
relative vorticity
relative velocity
relative sea level
relative reduction
relative permittivity
relative permeability
relative momentum
relative ionospheric opacity meter
relative humidity with respect to ice
relative frequency
relative evaporation
relative current
relative coordinate system
relative angular momentum
regular broadcast
regression line
regression equation
regression coefficient
regression analysis
regression
register
Regional Meteorological Telecommunications Network
Regional Meteorological Center
regional forecast
regional climate model
regional broadcast
regional basic synoptic network
regional analysis
regional air pollution
region of influence
regime channel
regime
regeneration of a depression
regelation
refractometer
refractivity
refractive index
refraction of water waves
refraction diagram
refraction coefficient
refraction
reflector
reflectivity factor
reflectivity
reflection rainbow
reflection coefficient
reflection
reflectance
reference crop evaporation
Reech number
reduction of temperature to mean sea level
reduction of pressure to a standard level
reduction
reduced pressure
reduced grid
reduced gravity
red tide
red snow
Red Sea Water
red noise
red flash
recycled water
recurvature
recurrence formula
recovery time
recovery test
recording potentiometer
recording instrument
recording albedometer
record observation
reconnaissance
recon
recombination energy
recombination coefficient
recombination
recirculation
recharge capacity
recharge area
recharge
recession curve
recession
receiver gain
receiver (noise) temperature
receiver
received power
RECCO code
recco
reboyo
rebat
Reaumur temperature scale
rear-inflow jet
rear of a depression
reanalysis
real-time transmission
real-time processing
real time
reaction rate
reaction order
reaction kinetics
reach
RDF
Rayleigh–Bénard convection
Rayleigh's formula
Rayleigh wave
Rayleigh scattering
Rayleigh phase function
Rayleigh optical depth
Rayleigh number
Rayleigh atmosphere
ray tracing
ray
rawinsonde observation
rawin target
rawin
raw water
raw moment
raw
rational method
rating flume
rating curve
rate-of-climb indicator
rate of accretion
rate constants
rate coefficient
RASS
RASAPH
RAREP
rare optical phenomenon
rare gases
rapid interval scan
rapid interval imaging
rapid distortion theory
Raoult's law
RAOB
Rankine vortex
Rankine temperature scale
range–height indicator
range resolution
range normalization
range marker
range gate
range error
range distortion
range attenuation
range aliasing
range
randomness
randomized seeding trial
randomization
random walk model
random variable
random sea
random sample
random process
random numbers
random forecast
random error
random
ramsonde
ramp structure
ram penetrometer
rainy season
rainy climate
rainstorm
rainfall station
rainfall regime
rainfall rate
rainfall loss
rainfall intensity return period
rainfall intensity pattern
rainfall frequency
rainfall excess
rainfall duration
rainfall distribution
rainfall
raindrop spectrograph
raindrop size distribution
raindrop
rainbow
rain-out
rain-intensity gauge
rain-gauge shield
rain washout
rain stimulation by artificial means
rain stage
rain simulator
rain shower
rain shadow
rain making
rain gauge
rain forest climate
rain forest
rain factor
rain day
rain crust
rain cloud
rain attenuation
rain and snow mixed
rain
raggiatura
ragged ceiling
rafted ice
RAFOS technology
raffiche
radon
radome
RADOB
radix layer
radius of protection
radiosonde system
radiosonde station
radiosonde ground equipment
radiosonde balloon
radiometry
radiometer
radiomaximograph
radioactivity
radioactive-particle ionization
radioactive snow gauge
radioactive precipitation
radioactive gas
radioactive fallout
radioactive decay
radioactive dating
radioactive carbon
radio wind observation
radio waves
radio wave
radio source
radio sounding
radio navigation aid
radio meteorology
radio horizon
radio hole
radio frequency band
radio frequency
radio direction finding
radio direction finder
radio climatology
radio beacon
radio atmometer
radio acoustic sounding system
radiatus
radiator
radiatively active gas
radiative–convective model
radiative–convective equilibrium
radiative transfer
radiative heating
radiative forcing
radiative flux divergence
radiative flux density
radiative equilibrium
radiative cooling
radiational tide
radiational cooling
radiation torque
radiation shield
radiation pressure
radiation pattern
radiation model
radiation laws
radiation inversion
radiation frost
radiation fog
radiation chart
radiation belts
radiation
radiant-energy thermometer
radiant intensity
radiant flux density
radiant flux
radiant exposure
radiant exitance
radiant energy
radiant density
radiant
radiance
radian
radial wind
radial velocity
radial symmetry
radial inflow
radarscope
radar–rain gauge comparison
radar wind system
radar wind sounding
radar weather observation
radar theodolite
radar storm detection
radar sounding
radar signal spectrograph
radar scatterometer
radar return
radar resolution
radar report
radar reflectivity
radar polarimetry
radar observation
radar mile
radar meteorology
radar meteorological observation
radar interferometry
radar hydrology
radar frequency band
radar equation
radar duct
radar displays
radar cross section
radar constant
radar coded message
radar climatology
radar calibration
radar beam
radar band
radar altitude
radar altimeter
radar algorithm
radar
racoon
rabal
R-scope
R-scale
R-meter
Residual variance
Resistance