Wiktionary
n. (weather balloon English)
Usage examples of "weather balloons".
It was identical to a dozen other weather balloons he had seen over the years.
Twice a day hundreds of LFM weather balloons are released to measure temperature, dewpoint, barometric pressure, and windspeed, and relay the information back by theodolite.
We've eliminated atmospheric conditions, meteors, fireballs, weather balloons, and any kind of flying machine known to man.
And for another his so-called weather balloons are nothing of the sort.
We've surreptitiously flown gamma-ray detectors on weather balloons.
The rest were usually such things as the moon or stars seen through cloud or haze, Earth-launched satellites, weather balloons, ordinary aircraft shimmering in the sunshine or, most common of all, the planet Venus seen in daylight.
And admittedly there seemed to be a lot of strange stuff going on, but if he really tried, poling the boat of common sense upstream against the raging current of the evidence, he could pretend it was all, well, weather balloons, or Venus, or mass hallucination.