---
cited_by: []
definition: |-
  A stratospheric (16 to 35 km altitude) oscillation of equatorial
  east-west winds which vary with a period of about 26 to 30 months or
  roughly 2 years; typically blowing for 12-16 months from the east,
  then reverse and blowing 12-16 months from the west, then back to
  easterly again.
href: https://data.globalchange.gov/gcmd_keyword/ea64fa04-2822-4cc5-9014-f18ce1a1ef23.yaml
identifier: ea64fa04-2822-4cc5-9014-f18ce1a1ef23
label: QUASI-BIENNIAL OSCILLATION
parent_identifier: b887d3e5-4280-43d2-a34e-0f63ac086b6a
uri: /gcmd_keyword/ea64fa04-2822-4cc5-9014-f18ce1a1ef23