american meteorological society anemometer angular resolution atmospheric sounding australia automated airport weather station backscatter barograph barometer boston canadian weather radar network cathode ray tube cavity magnetron ceiling balloon ceiling projector ceilometer centimetre colorado state university composite reflectivity constant altitude plan position indicator dark adaptor goggles decibel diffraction disdrometer doppler doppler effect doppler radar downburst dropsonde ekco environment canada field mill france frustum gamma function gaussian function hail hook echo hurricane hunters hydrology hygrometer ice accretion indicator international standard atmosphere lidar lightning detector massachusetts institute of technology mcgill university mesocyclone microburst microwave millisecond montreal nexrad national oceanic and atmospheric administration national severe storms laboratory national weather service nephelometer nephoscope nyquist pan evaporation parabolic antenna paris plan position indicator polarization projection pulse-doppler radar pyranometer radar radiosonde radius rain rain gauge rayleigh scattering reflectivity royal meteorological society sodar san diego sea surface temperature severe weather sleet snow snow gauge solarimeter sounding rocket speed of light stevenson screen sunshine recorders supercell television thermometer three body scatter spike thunderstorm tide gauge toronto turbulence united kingdom united states air force virga warm front waveguide weather balloon weather buoy weather forecasting weather ship weather station weather vane wikimedia commons wind profiler wind shear windsock world war ii