That sounded way too high to me. Turned out… That number is way too low.
https://www.weather.gov/bmx/kidscorner_weatherballoons#:~:te....
https://www.weather.gov/bmx/kidscorner_weatherballoons#:~:te....
> Twice a day, every day of the year, weather balloons are released simultaneously from almost 900 locations worldwide! This includes 92 released by the National Weather Service in the US and its territories.