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Terms A
ADEOS
atmospheric demand
absorption coefficient
ARFOR
aftersummer
afterheat
All-hallown summer
AABW
Azores high
Azores Current
azimuth scale
azimuth resolution
azimuth
ayalas
axisymmetric turbulence
axisymmetric flow
axisymmetric
axis of dilatation
axis of depression
axis of contraction
axis of anticyclone
axial symmetry
AXBT
avulsion
avre
Avogadro's number
Avogadro's law
aviation weather observation
aviation weather forecast
aviation observation
aviation forecast
AVHRR
average power
average velocity
average over the spectrum
average limit of ice
average net balance
average interstitial velocity
average drag coefficient
avalanche wind
available water
avalanche
avalaison
available storage capacity
available solar radiation
available soil moisture
available potential energy
available head
auxiliary thermometer
auxiliary ship
auvergnasse
autumnal
autumn ice
autoregressive series
autoregressive process
automatic weather station
automatic tide gauge
automatic station
automatic picture transmission
automatic gain control
automatic evaporation station
automatic data processing
automated search
autogenous electrification
autocorrelation
autoconversion
autoconvective lapse rate
autoconvection
autobarotropy
autobarotropic
autan
austru
Australasian Mediterranean Water
austausch coefficients
austausch
auroral zone
auroral rays
auroral corona
auroral curtains
auroral bands
auroral arc
aurora polaris
aurora borealis
aurora australis
aureole
aufeis
audibility zone
attenuation
attachment
attached thermometer
ATS
atomic number
atmospherics
ATN
atmospheric wave
atmospheric water budget
atmospheric transport
atmospheric tide
atmospheric thermodynamics
atmospheric sounding
atmospheric shell
atmospheric science
atmospheric region
atmospheric refraction
atmospheric radiation budget
atmospheric pressure
atmospheric radiation
atmospheric polarization
atmospheric ozone
atmospheric optics
atmospheric oscillation
atmospheric model
atmospheric layer
atmospheric ionization
atmospheric electricity
atmospheric electric field
atmospheric dynamics
atmospheric dust
Atmospheric ducting
atmospheric disturbance
atmospheric correction
atmospheric circulation model
atmospheric chemistry
atmospheric attenuation
atmosphere–ocean interaction
atmosphere–mixed layer ocean model
atmosphere
atmometry
atmoradiograph
atmometer
atmidometry
Atlantic Water
Athos fall wind
asynoptic observation
asynchronous communication
asymptotic expansion
asymmetry factor
astronomical twilight
astronomical refraction
Assmann psychrometer
aspirator
aspre
aspiration psychrometer
aspiration meteorograph
aspiration condenser
aspirated thermometer
aspect ratio
aspect
ash devils
ash
ASDAR
ascending node
ascendent
artificial recharge
artificial precipitation
artificial intelligence
artificial ice nucleus
artificial control
artificial climate
artesian well
artesian basin
artesian aquifer
ARS
arroyo
Arrhenius equation
aromatic hydrocarbons
aridity index
armouring
ARMET
arithmetic mean
aridity coefficient
aridity
arid-zone hydrology
arid zone
arheic
Argos
argon
ARFOT
areal reduction factor
areal precipitation
area–elevation curve
area of influence
area forecast
area average
arcus
arcticization
arctic-alpine
Arctic Zone
arctic tree line
Arctic Surface Water
arctic sea smoke
arctic stratospheric vortex
Arctic Polar Front
arctic pack
arctic mist
Arctic Intermediate Water
arctic high
arctic haze
arctic front
arctic desert
Arctic Circle
Arctic Bottom Water
arctic air
arcs of Lowitz
Archimedes's principle
arc cloud
Arakawa Jacobian
Arago point
Arago distance
aracaty
aquitard
aquifuge
aquifer test
aquifer system
aquifer
aquiclude
APT
approach-light contact height
approach visibility
approach velocity
approach channel
applied meteorology
applied hydrology
applied climatology
Applications Technology Satellite
apparent stress
apparent solar day
apparent horizon
apparent groundwater velocity
apparent gravity
apparent force
apogee
apogean winds
apogean tide
apocenter
apob
Apheliotes
aphelion
aperwind
aperture
aperiodic
apaapaa
Ap index
AP
anvil cloud
antitwilight arch
antitrades
antipleion
antisolar point
antiproton
antilog
Antilles Current
antihail rocket
anticyclonic circulation
anticyclonic shear
anticyclonic rotation
anticyclonic
anticyclone
anticyclolysis
anticyclogenesis
anticrepuscular rays
anti-sea breeze
anti-icing
anthropogenic heat
anthropogenic
anthropogenic climate change
anthropogenic emissions
anthropoclimatology
anthelion
anthelic arcs
antenna temperature
antenna pattern
antenna limit
antenna gain
antenna feed
antenna
antecedent soil moisture
antecedent precipitation index
antecedent
Antarctic Zone
Antarctic Surface Water
antarctic stratospheric vortex
antarctic sea smoke
antarctic ozone hole
Antarctic Intermediate Water
Antarctic Polar Front
Antarctic Ice Sheet
antarctic front
antarctic divergence
Antarctic Circumpolar Current
Antarctic Circle
Antarctic Bottom Water
antarctic anticyclone
antarctic air
anomaly correlation
anomalous refraction
anomalous propagation
anomalous
annual storage
annual series
annual runoff
annual range
annual minimum series
annual maximum series
annual flood series
annual flood
annual exceedance series
annual cycle
anniversary winds
anisotropy
anisotropic
anhyetism
angularity correction
angular-spreading factor
angular-momentum balance
angular wavenumber
angular velocity of the earth
angular velocity
angular spreading
angular resolution
angular momentum
angular drift
angstrom
Angola–Benguela front
Angola Current
angle of refraction
angle of reflection
angle of incidence
angle of arrival
angin
angel
aneroid capsule
aneroid barometer
aneroid barograph
aneroid
anemovane
anemoscope
anemometry
anemometer level
anemometer
anemoclinometer
anelastic approximation
anchor ice
anchor balloon
analyzed chart
analysis of variance
analysis
analogue
analogs
analog model
analog method
analog climate model
analog
anallobaric
anafront
anaerobic condition
Anadyr Current
anabatic wind
anabatic
amplitude-modulated indicator
amplitude spectrum
amplitude modulation
amplitude
amphidrome
amount of precipitation
amorphous sky
amorphous frost
amorphous clouds
ammonium sulfate
ammonium nitrate
ammonium ion
ammonium chloride
ammonification
ammonia
ambiguity function
ambient temperature
ambient pressure
ambient air
aluminum oxide humidity element
altostratus
altocumulus
altitude
altithermal period
altimetry
altimeter-setting indicator
altimeter setting
altimeter equation
altimeter corrections
altimeter
altigraph
alti-electrograph
alternating unit tensor
alternate forecast
alternate airport
Alter shield
alpine tundra
alpine glacier
alpha ray
alpha particle
alpenglow
aloup de vent
along-valley winds
along-valley wind systems
along-slope wind systems
aloegoe
almwind
Almeria–Oran front
almanac
alluvial aquifer
alluvial
allowed transitions
allohypsography
allobaric
allerheiligenwind
Allard's law
all-weather airport
all-sky photometer
alkynes
alkylperoxy radicals
alkenes
alkanes
alkalinity
Alisov's classification of climate
alimentation
alidade
aliasing
algorithm
Algerian Current
Alfvén wave
Alexander's dark band
Aleutian low
Aleutian Current
aldehydes
Alberta low
Alberta clipper
albedometer
albedo
Alaskan Stream
Alaska Current
alarm level
Aitken nucleus
Aitken dust counter
airways shelter
airway
airspeed
airshed model
airport forecast
airport elevation
airplane observation
airmass source region
airmass shower
airmass precipitation
airmass modification
airmass climatology
airmass classification
airmass analysis
airlight formula
airlight
airglow
airfield color code
AIREP
aircraft-to-satellite data relay
aircraft weather reconnaissance
aircraft turbulence
aircraft thermometry
aircraft sounding
aircraft report
aircraft observation
aircraft meteorological station
aircraft icing
aircraft ice accretion
aircraft electrification
aircraft ceiling
airborne weather radar
airborne particulates
airborne fraction
airborne expendable bathythermograph
air–sea interaction
air-line well
air-line sounding
air–fuel ratio
air–earth current
air–earth conduction current
air trap
air toxins
air temperature
air sampler
air report
air quality standards
air quality criteria
air pollution meteorology
air pollution episode
air pollution control
air pollution
air pollutants
air pocket
air meter
air mass
air line correction
air hoar
air drainage
air discharge
air current
air acoustic ranging sensor
Agulhas Current
agrometeorological forecasting
agroclimatic index
agro-met station
agricultural meteorology
agricultural meteorological station
agricultural drought
agricultural climatology
agonic line
agnostic chart
aggressive water
aggregation
agglomeration
ageostrophic wind
ageostrophic advection
age
afternoon effect
afterglow
African jet
African Easterly Wave
afghanets
Afer
aestivation
aestival
aerostatic balance
Aerospace Meteorology
aerosol optical depth
aeronomy
aeronautical meteorology
aeronautical meteorological station
aeronautical meteorological service
aeronautical climatology
aerometeorograph
aerology
aerological table
aerological station
aerological days
aerological analysis
aerologation
aerography
aerograph
aerodynamics
aerodynamically smooth surface
aerodynamically rough surface
aerodynamic resistance
aerodynamic force
aerodynamic balance
aerodynamic
aerodrome meteorological minima
aerobiology
AERO code
aerial perspective
aerial
aeration
aeolian tones
aeolian
AE
advisory area
advisory
advective-gravity flows
advective thunderstorm
advective region
advective model
advective change of temperature
advection frost
advection fog
advection
Advanced Very High Resolution Radiometer
Advanced TIROS-N
Advanced Earth Observing Satellite
Advanced Baseline Imager
adsorption isotherm
adsorption
adret
admissible concentration limit
adjustable cistern barometer
adjoint sensitivity
adjoint model
adjoint equation
adjoint assimilation
adiabatically enclosed system
adiabatic trial
adiabatic temperature gradient
adiabatic temperature changes
adiabatic saturation temperature
adiabatic saturation pressure
adiabatic saturation point
adiabatic equilibrium
adiabatic chart
adiabatic atmosphere
adiabat
adhesive water
adhesion efficiency
adfreezing
ADCP
adaptive observations
adaptive observational network
adaptive grid
adaptation strategies
adaptation luminance
adaptability
actual time of observation
actual pressure
actual evaporation
actual elevation
activity coefficient
activity
active system
active site
Active region
active permafrost
active nitrogen
active layer
active front
active cloud
active basin area
activation energy
activated complex theory
actinon
actinometry
actinometer
actinograph
actinogram
actinic flux
actinic
acrolein
acre-foot
acoustic–gravity wave
acoustic wave
acoustic velocimeter
acoustic transponder
acoustic transducer
acoustic tomography
acoustic thermometer
acoustic sounding
acoustic signature
acoustic scintillation
acoustic scattering
acoustic reverberation
acoustic refraction
acoustic resonance
acoustic reflectivity
acoustic reflection profiling
acoustic rain gauge
acoustic radar
acoustic pressure
acoustic ocean current meter
acoustic lens
acoustic intensity
acoustic impedance
acoustic imaging
acoustic echo sounding
acoustic Doppler current profiler
acoustic dispersion
acoustic backscattering
acoustic array
aclinic line
acidity profile
acidity of water
acid rain
acid pollution
acid fog
acid deposition
acicular ice
acetylene
acetonitrile
acetone
acetic acid
acetaldehyde
acdar
accuracy
accumulation zone
accumulation rain gauge
accumulation mode
accumulation area
accumulation
accumulated temperature
accumulated cooling
accretion
acclimatization
acclimation
accessory cloud
acceptance region
acceptance capacity
accelerometer
accelerated erosion
ACC
abstraction
absorptivity
absorption spectrum
absorption optical thickness
absorption loss
absorption line
absorption hygrometer
absorption cross section
absorption band
absorption
absorptance
absorbed solar radiation
absorbance
absolute zero
absolute vorticity
absolute velocity
absolute temperature scale
absolute temperature extremes
absolute standard barometer
absolute stability
absolute refractive index
Absolute Radiation Scale
absolute monthly minimum temperature
absolute monthly maximum temperature
absolute momentum
absolute isohypse
absolute instrument
absolute instability
absolute extremes
absolute drought
absolute coordinate system
absolute annual range of temperature
absolute cavity radiometer
absolute angular momentum
absolute altitude
absolute
abscissa
Abrolhos squalls
abnormality
abnormal
ablation area
ablation
ABL
abiotic
ABI
abduction
abbreviated ship code
abatement
ab-polar current
AAMW
A/D converter
A-display
Aurora
Autumnal equinox
Attenuation coefficient
Artificial horizon
Astronomical horizon
Attractor
Aspiration thermograph
Arched squall
Arc discharge
Anvil
Antineutron
Anomaly