Weather Dictionary / Glossary of Terms



Weather terms beginning with letter 'A':

A A AMS A Index AAAS AAWU ABNDT ABT ABV AC ACCAS ACCUMS ACLD ACPY ACRS ACTV ACYC ADAPTATION (ADAPTABLE) PARAMETER ADAS ADDS ADJ ADPC ADVCTN ADVIS ADVN ADVY AFB AFCT AFD AFOS AFRED AFSS AFT AFTN AFTR AFWA AGC AGDISP AGFS AGL AGN AHD AHOS AHOS-S AHOS-T AIRMET AIV ALERT ALF ALG ALIASING ALQDS ALTHO AMD AMOS AMS AMT AMVER AMVER/SEAS ANBURS ANOMALOUS PROPAGATION (AP) ANTENNA GAIN AO AOA AOB AOPA AP AP Index APD API Method APRCH APRCHG APRNT APST ARAM ARINC ARND ARR ARSI ART ARTCC AS ASAP ASAPTRAN ASB ASL ASOS ASR-9 ASSOCIATED PRINCIPAL USER ATC ATDTDCS ATMP ATTENUATION ATTM AUTOMATIC GAIN CONTROL AVBL AVG AVHRR AVN AVP AWC AWHPS AWIPS AWOS Ablation Absolutely Stable Air Absolutely Unstable Air Absorption Abutment Abutment Seeping Accessory Cloud Accretion Accuracy Acid Precipitation Acid Rain Acre-foot Action Stage Active Active Conservation Storage Active Dark Filament (ADF) Active Longitude Active Prominence Active Prominence Region (APR) Active Region (AR) Active Storage Capacity Active Surge Region (ASR) Additive Data Adiabat Adiabatic Adiabatic Lapse Rate Adiabatic Process Adirondack Type Snow Sampling Set Advection Advection Fog Advisory Aeration Zone Aeroallergens Aerosol Afterbay Agglomerate Air Air Mass Air Mass Thunderstorm Air Pollutant Air Pollution Potential Air Quality Model Air Stagnation Air Stagnation Advisory Air Toxin Air Transportable Mobile Unit Airborne Snow Survey Program Alaska Current Albedo Alberta Clipper Alert Stage Aleutian Current Aleutian Low Algorithm Alluvium Along-slope Wind System Altimeter Altimeter Setting Altocumulus Altostratus Ambient Amplifier Amplitude Anabranch Analog Analog Signal Anchor Ice Anchor Ice Dam Anemometer Aneroid Barometer Angels Angle of Reflection Angstrom Annual Flood Anomaly Antedecent Precipitation Index Anthelion Anthropogenic Source Anti-wind Anticyclogenesis Anticyclone Anticyclonic Rotation Antilles Current Anvil Anvil Crawler Anvil Dome Anvil Rollover Anvil Zits Aphelion Apogee Apparent Temperature Apparent Wind Aquiclude Aquifer Aquifuge Arch Dam Arch Filament System (AFS) Arctic Arctic Oscillation Arctic Sea Smoke Arctic front Arcus Area Forecast Discussion Area Source Area Wide Hydrologic Prediction System Area of Influence Area-Capacity Curve Arid Arroyo Artesian Well Artificial Control Astronomical Dawn Astronomical Dusk Astronomical Unit Atmosphere Atmospheric Boundary Layer Atmospheric Circulation Model Atmospheric Pressure Atmospheric Radiation Attenuation Augmented report Aurora Aurora Australis Aurora Borealis Auroral Oval Automated Event Reporting Gage Automated Report Automated Surface Observing System Autumn Autumnal Equinox Avalanche Avalanche Advisory Azimuth Azimuth Angle Azores Current Azores High

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