Pilot Balloon

2 topics · 2 sources

Weather

(Abbrev. PIBAL)- A small helium-filled meteorological balloon that is tracked as it rises through the atmosphere to determine how wind speed and direction change with altitude.

NOAA National Weather Service — National Weather Service Glossary

Science› Weather

Climate Change

A small helium-filled meteorological balloon that is tracked as it rises through the atmosphere to determine how wind speed and direction change with altitude.

ARM Climate Research Facility — ARM Climate Research Glossary retrieved 2014-06-12