ASL STEM

Psychrometer Sign Video

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Definition

An instrument used to measure the water vapor content of the air. It consists of two thermometers (dry bulb and wet bulb). After whirling the instrument, the dew point and relative humidity can be obtained with the aid of tables.

Source: Essentials of Meteorology: An Invitation to the Atmosphere (fifth edition) by C. Donald Ahrens

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+ Sublimation *

+ Indian Summer

+ Fahrenheit Scale

+ Stratosphere *

+ Desertification *

+ Micrometer (Î¼m) *

+ Mid Holocene Maximum *

+ Middle Latitudes *

+ Absolute Humidity *

+ Back Door Cold Front *

+ Absolutely Stable Atmosphere *

+ Absolutely Unstable Atmosphere *

+ Acid Deposition *

+ Adiabatic Process *

+ Advection Fog *

+ Aerovane (Skyvane) *

+ Aggregation *

+ Apparent Temperature *

+ Arctic Front *

+ Arctic Oscillation *

+ Air Pressure *

+ Air Quality Index (Aqi) *

+ Altocumulus *

+ Altostratus *

+ Analogue Forecasting Method *

+ Aneroid Barometer *

+ Anticyclone *

+ Atmospheric Boundary Layer *

+ Atmospheric Stagnation *

+ Atmospheric Window *

+ Autumnal Equinox *

+ Backing Wind *

+ Ball Lightning *

+ Bimetallic Thermometer *

+ Boulder Winds *

+ Brocken Bow *

+ Chinook Wall Cloud *

+ Chinook Wind *

+ Clear Air Turbulence *

+ Chlorofluorocarbons *

+ Centripetal Acceleration *

+ Centripetal Force *

+ Billow Clouds *

+ Buys Ballot's Law *

+ California Current *

+ Carbon Monoxide *

+ Condensation Level *

+ Cirrocumulus *

+ Cirrostratus *

+ Climatic Controls *

+ Global Scale *

+ Climatological Forecast *

+ Cloud Seeding *

+ Coalescence *

+ Collision Coalescence Process *

+ Comma Cloud *

+ Condensation Nuclei *

+ Conditionally Unstable *

+ Contact Freezing *

+ Continental Arctic Air Mass *

+ Continental Polar Air Mass *

+ Continental Tropical Air Mass *

+ Contour Line *

+ Corona (Optic) *

+ Crepuscular Rays *

+ Cumulonimbus *

+ Cumulus Stage *

+ Cut Off Low *

+ Cyclogenesis *

+ Dart Leader *

+ Dendrochronology *

+ Coriolis Force *

+ Doppler Shift *

+ Dissipating Stage *

+ Doppler Lidar *

+ Doppler Radar *

+ Dry Adiabatic Rate *

+ Dry Bulb Temperature *

+ Dry Lightning *

+ Dust Devil (Whirlwind) *

+ Easterly Wave *

+ Ensemble Forecasting *

+ Long Range Forecast *

+ Entrainment *

+ Environmental Lapse Rate *

+ Evaporation Fog *

+ Extratropical Cyclone *

+ Fallstreaks *

+ Fata Morgana *

+ Ferrel Cell *

+ Flash Flood *

+ Forced Convection *

+ Freezing Rain Or Drizzle *

+ Glaciated Cloud *

+ Fujita Scale *

+ Frost (Hoarfrost) *

+ Frost Point *

+ Funnel Cloud *

+ Geostationary Satellite *

+ Geostrophic Wind *

+ Friction Layer *

+ Frontal Thunderstorm *

+ Green Flash *

+ Frontal Wave *

+ Growing Degree Day *

+ Gulf Stream *

+ Longwave Radiation *

+ Gradient Wind *

+ Heating Degree Day *

+ Heat Lightning *

+ Hectopascal *

+ Heiligenschein *

+ Heterosphere *

+ High Inversion Fog *

+ Horse Latitudes *

+ Humid Continental Climate *

+ Humid Subtropical Climate *

+ Hydrostatic Equation *

+ Snow Flurries *

+ Hydrostatic Equilibrium *

+ Hygroscopic *

+ Hypothermia *

+ Icelandic Low *

+ Lake Breeze *

+ Infrared Radiometer *

+ Instrument Shelter *

+ Interglacial Period *

+ Intertropical Convergence Zone *

+ Iridescence *

+ Isobaric Surface *

+ Isothermal Layer *

+ Katabatic (Fall) Wind *

+ Kirchoff's Law *

+ Koppen Classification System *

+ Lake Effect Snow *

+ Land Breeze *

+ Latent Heat *

+ Maritime Air *

+ Lee Side Low *

+ Lenticular Cloud *

+ Little Ice Age *

+ Local Winds *

+ Mixing Depth *

+ Longwaves In The Westerlies *

+ Low Level Jet Streams *

+ Macroclimate *

+ Mammatus Clouds *

+ Marine Climate *

+ Maritime Polar Air Mass *

+ Maritime Tropical Air Mass *

+ Mature Thunderstorm *

+ Maunder Minimum *

+ Medium Range Forecast *

+ Mercury Barometer *

+ Meridional Flow *

+ Mesoclimate *

+ Mesocyclone *

+ Mesoscale Convective Complex *

+ Mesoscale Convective System *

+ Stratocumulus *

+ Meteorology *

+ Microclimate *

+ Milankovitch Theory *

+ Mini Swirls *

+ Mixing Layer *

+ Mixing Ratio *

+ Moist Adiabatic Rate *

+ Monsoon Wind System *

+ Mountain And Valley Breeze *

+ Multicell Storms *

+ Nacreous Clouds *

+ Neutral Stability *

+ Nimbostratus *

+ Onshore Wind *

+ Orchard Heaters *

+ Offshore Wind *

+ Nitric Oxide (No) *

+ Nitrogen Dioxide *

+ Nitrogen Oxides *

+ Noctilucent Clouds *

+ Nonsupercell Tornado *

+ North Atlantic Oscillation *

+ Northeaster *

+ Nuclear Winter *

+ Numerical Weather Prediction *

+ Occluded Front (Occlusion) *

+ Ordinary Thunderstorm *

+ Orographic Uplift *

+ Outflow Boundary *

+ Overrunning *

+ Pacific Decadal Oscillation *

+ Parcel Of Air *

+ Particulate Matter *

+ Pattern Recognition *

+ Persistence Forecast *

+ Photodissociation *

+ Pileus Cloud *

+ Planetary Scale *

+ Pleistocene Epoch (Ice Age) *

+ Polar Easterlies *

+ Polar Front *

+ Polar Front Theory *

+ Polar Ice Cap Climate *

+ Polar Orbiting Satellite *

+ Polar Tundra Climate *

+ Precipitation *

+ Pressure Gradient *

+ Pressure Gradient Force *

+ Pressure Tendency *

+ Prevailing Westerlies *

+ Prevailing Wind *

+ Primary Air Pollutants *

+ Probability Forecast *

+ Prognostic Chart *

- Psychrometer *

+ Radiational Cooling *

+ Radiation Fog *

+ Radiation Inversion *

+ Radiative Equilibrium Temp *

+ Radiative Forcing *

+ Radiative Forcing Agent *

+ Rawinsonde Observation *

+ Relative Humidity *

+ Return Stroke *

+ Rotor Cloud *

+ Saffir Simpson Scale *

+ St Elmo's Fire *

+ Santa Ana Wind *

+ Sheet Lightning *

+ Saturation Vapor Pressure *

+ Scales Of Motion *

+ Scintillation *

+ Sea Level Pressure *

+ Secondary Air Pollutants *

+ Selective Absorbers *

+ Semi Arid Climate *

+ Semipermanent Highs And Lows *

+ Sensible Heat *

+ Sensible Temperature *

+ Severe Thunderstorms *

+ Shelf Cloud *

+ Short Range Forecast *

+ Shortwave (In The Atmosphere) *

+ Shortwave Radiation *

+ Siberian High *

+ Snow Albedo Feedback *

+ Snow Grains *

+ Snow Pellets *

+ Snow Squall *

+ Station Pressure *

+ Solar Constant *

+ Source Regions *

+ Southern Oscillation *

+ Specific Humidity *

+ Spin Up Vortices *

+ Squall Line *

+ Subpolar Climate *

+ Standard Atmosphere *

+ Standard Atmospheric Pressure *

+ Standard Rain Guage *

+ Stationary Front *

+ Statistical Forecast *

+ Steady State Forecast *

+ Stefan Boltzmann Law *

+ Stepped Leader *

+ Storm Surge *

+ Subpolar Low *

+ Subsidence Inversion *

+ Subtropical High *

+ Subtropical Jet Stream *

+ Suction Vortices *

+ Veering Wind *

+ Sulfur Dioxide *

+ Supercell Storm *

+ Supercell Tornadoes *

+ Surface Map *

+ Tangent Arc *

+ Supercooled Cloud *

+ Supersaturation *

+ Super Typhoon *

+ Synoptic Scale *

+ Taiga (Boreal Forest) *

+ Teleconnections *

+ Thermal Belts *

+ Thermal Circulation *

+ Thermal Lows\Highs *

+ Thermal Tides *

+ Thermograph *

+ Thermosphere *

+ Tornado Outbreak *

+ Tornado Vortex Signature *

+ Trade Wind Inversion *

+ Tropical Cyclone *

+ Tropical Depression *

+ Tropical Disturbance *

+ Tropical Easterly Jet *

+ Tropical Monsoon Climate *

+ Tropical Rain Forest *

+ Tropical Storm *

+ Tropical Wave *

+ Tropical Wet Climate *

+ Troposphere *

+ Upslope Fog *

+ Upslope Precipitation *

+ Urban Heat Island *

+ Vapor Pressure *

+ Vernal Equinox *

+ Very Short Range Forecast *

+ Weather Watch *

+ Volatile Organic Compounds *

+ Warm Core Low *

+ Warm Sector *

+ Water Equivalent *

+ Wave Cyclone *

+ Weather Elements *

+ Weather Type Forecasting *

+ Weather Types *

+ Weather Warning *

+ Wet Bulb Depression *

+ Wet Bulb Temperature *

+ Wind Direction *

+ Wind Machines *

+ Windward Side *

+ Winter Solstice *

+ Hurricane Warning *

+ Hurricane Watch *

+ Wind Profiler *

+ Younger Dryas Event *

+ Zonal Wind Flow *

+ Tornado Warning *

+ Tornado Watch *

+ Buoyant Force

+ Advection Radiation Fog

+ Stratospheric Polar Night Jet *

+ Ice Crystal (Bergeron) Process *

+ Summer Solstice *

+ Wind Chill Index *

* video needed

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