EntityQ478751· pop 11· linked from 76 articlessurface weather observationSign in to savefundamental data used for weather forecastsConnectionshumidityEntityanemometerEntityfrostEntityatmospheric pressureEntitydew pointEntityweather vaneEntitycontour lineEntityweather stationEntityInternational Standard AtmosphereEntitylightning detectorEntitypilot reportEntityUnited StatesCountryAustraliaCountryhistoryEntityCaliforniaEntityrainEntitysnowEntitywindEntityradioEntityclimateEntityCategoriesAviation meteorologyMeteorological data and networksWeather prediction