Don’t be afraid to tackle increasingly challenging weather conditions. Sure, if you just got your instrument ticket, you want to be very careful. But as you gradually gain more experience ...

This is made possible through the use of instrument flight rules ... appropriately qualified pilots can file in any weather conditions. They are indeed required to do so if they plan to enter ...

But in the U.S., we drift a lot of balloons across the sky every day. Many of these balloons have a weather instrument attached. To accurately model the atmosphere and produce highly precise ...

The radiosonde is powered by a small battery. The radiosonde is marked as a "harmless weather instrument." If you find one, you "have a nice souvenir or you can recycle it," according to the ...