Pilot Balloon Operation (PIBAL)

What is Pilot Balloon Operation (PIBAL)?

Pilot Balloon Operation (PIBAL) meaning in Safety terms is

  • A method of determining winds aloft by periodically reading the elevation and azimuth angles of a theodolite, usually at one-minute intervals, while tracking the ascent of a small free-lift balloon. A PIBAL is commonly used for constructing a wind profile. 


reference: Glossary A – Z | National Wildfire Coordinating Group