authority: gcos
slug: surface-pressure
name: Surface Pressure
domain: atmosphere
subdomain: surface
authority_id: gcos:surface-pressure
external_ids:
  nvs_uri: null
  cf_standard_name: surface_air_pressure
  iadopt_concepts:
    property: pressure
    entity: air
canonical_units: Pa
gcos_requirement_tier:
  threshold: null
  breakthrough: null
  goal: null
description: |
  Atmospheric pressure at the Earth's surface, typically reduced to mean sea
  level for synoptic analysis. A fundamental state variable for weather and
  climate models and for diagnosing the large-scale circulation.
theme: weather
demos: []
status: documented
sources:
  - https://gcos.wmo.int/site/global-climate-observing-system-gcos/essential-climate-variables/pressure-surface