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Iceland Greenland seas Project (IGP): Upper air sounding: Profiles of temperature, pressure, humidity, wind speed and wind direction

Latest Data Update: 2018-07-30
Status: Completed
Online Status: ONLINE
Publication State: Published
Publication Date: 2019-08-01
Download Stats: last 12 months
Dataset Size: 194 Files | 61MB


This dataset contains upper air sounding profiles of temperature, pressure, humidity, wind speed and wind direction measurements from the NCAS Vaisala Sounding Station unit 2 radiosonde lauches. The radiosondes were launched over Greenland and Iceland from the Alliance research ship for the Iceland Greenland seas Project (IGP).

The Iceland Greenland seas Project (IGP) was an international project involving the UK, US a Norwegian research communities. The UK component was funded by NERC, under the Atmospheric Forcing of the Iceland Sea (AFIS) project (NE/N009754/1)

Citable as:  Brooks, B.J. (2019): Iceland Greenland seas Project (IGP): Upper air sounding: Profiles of temperature, pressure, humidity, wind speed and wind direction. Centre for Environmental Data Analysis, date of citation.
Abbreviation: Not defined
Keywords: IGP, Upper air sounding, Profiles, temperature, pressure, humidity, wind speed, wind direction


Previous Info:
No news update for this record
Previously used record identifiers:
No related previous identifiers.
Access rules:
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Use of these data is covered by the following licence: When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data delivered to the Centre for Environmental Data Analysis (CEDA) for archiving.

Data Quality:
Data are as given by the data provider, no quality control has been performed by the Centre for Environmental Data Analysis (CEDA)
File Format:
Data are netCDF formatted

Related Documents

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Process overview

This dataset was generated by instruments deployed on platforms as listed below.

Instrument/Platform pairings

NCAS AMF: Vaisala Radiosonde Unit 2 Deployed on: Alliance Ship
Output Description


  • units: m s-1
  • long_name: Balloon Ascent Rate
  • var_id: upward_balloon_velocity
  • units: 1
  • long_name: Data Quality flag
  • var_id: qc_flag
  • units: 1
  • long_name: Day
  • var_id: day
  • units: 1
  • long_name: Day of Year
  • var_id: day_of_year
  • units: s
  • long_name: Elapsed Time
  • var_id: elapsed_time
  • units: m
  • standard_name: altitude
  • var_id: altitude
  • long_name: Geometric height above geoid (WGS84).
  • units: 1
  • long_name: Hour
  • var_id: hour
  • units: 1
  • long_name: Minute
  • var_id: minute
  • units: 1
  • long_name: Month
  • var_id: month
  • units: hPa
  • long_name: Pressure
  • standard_name: air_pressure
  • var_id: air_pressure
  • standard_name: relative_humidity
  • var_id: relative_humidity
  • units: %
  • long_name: RH
  • units: 1
  • long_name: Second
  • var_id: second
  • units: K
  • standard_name: air_temperature
  • var_id: air_temperature
  • long_name: Temperature
  • units: degree
  • standard_name: wind_from_direction
  • var_id: wind_from_direction
  • long_name: Wind Direction
  • units: m s-1
  • standard_name: wind_speed
  • var_id: wind_speed
  • long_name: Wind Speed
  • units: 1
  • long_name: Year
  • var_id: year

Co-ordinate Variables

  • units: degree_north
  • standard_name: latitude
  • var_id: latitude
  • long_name: Latitude
  • units: degree_east
  • standard_name: longitude
  • var_id: longitude
  • long_name: Longitude
  • standard_name: time
  • var_id: time
Temporal Range
Start time:
End time:
Geographic Extent