EntityQ1661027· pop 11· linked from 87 articlesceiling balloonSign in to saveballon observed to determine the height of the base of cloudsConnectionslightning detectorEntityrainEntityhydrogenEntitycloudEntitysnowEntityheliumEntityfogEntityinflationEntitythermometerEntitybarometerEntitypascalEntityblizzardEntityanemometerEntitytheodoliteEntityweather vaneEntityballoonEntityrain gaugeEntityhygrometerEntitynatural rubberEntitywindsockEntityCategoriesBalloons (aeronautics)Cloud and fog physicsCommons link from WikidataMeteorological instrumentation and equipment