BackForward Variable: Cloud liquid water (CLW)

Definition
Full name Cloud liquid water (CLW)
Definition 3D field of atmospheric water in the liquid phase (precipitating or not).
Measuring Units g/kg Uncertainty Units %
Horizontal Res Units km Vertical Res Units km
Stability Units % (Stability /decade)

 

Comment: Replaces "Cloud water <100 µm" and "Cloud Water >100 µm"
Last modified: 2011-10-13
Applied in OSCAR/Space Gap Analysis: Yes
Classification
  • Domain: Atmosphere
    • Sub-domain: Clouds and precipitations
      • Variable: Cloud liquid water (CLW)
        • Measured in Layers:
          • FT
          • PBL
  • Cross-cutting themes:

Requirements defined for Cloud liquid water (CLW)  (8)

This tables shows all related requirements. For more operations/filtering, please consult the full list of Requirements
Note: In reading the values, goal is marked blue, breakthrough green, threshold orange
Application-dependent Technical Priority (ATP) Magenta and Relative priority of the attributes Red

Id Variable Layer App Area ATP Uncertainty Layer/s Quality Coverage Quality Stability / decade Hor Res Ver Res Obs Cyc Timeliness Coverage Conf Level Val Date Source General Comment Application Area Comment Horizontal Coverage Comment Observation Comment Performance Comment
20 Cloud liquid water (CLW) PBL 2.8 Aeronautical Meteorology 10 %
15 %
25 %
50 km
70 km
100 km
0.15 km
0.3 km
0.6 km
60 min
90 min
3 h
60 min
90 min
2 h
Global firm 2000-06-23 ET ODRRGOS
348 Cloud liquid water (CLW) FT 2.2 High-Resolution Numerical Weather Prediction 5 %
8 %
20 %
0.5 km
2 km
10 km
0.1 km
0.17 km
0.5 km
15 min
60 min
3 h
15 min
30 min
2 h
Global firm 2014-03-12 T Montmerle
349 Cloud liquid water (CLW) PBL 2.2 High-Resolution Numerical Weather Prediction 5 %
8 %
20 %
0.5 km
2 km
10 km
0.1 km
0.17 km
0.5 km
15 min
60 min
3 h
15 min
30 min
2 h
Global firm 2011-07-28 T Montmerle
264 Cloud liquid water (CLW) FT 2.1 Global Numerical Weather Prediction and Real-time Monitoring 20 %
50 %
100 %
5 km
15 km
50 km
0.2 km
1 km
2 km
60 min
3 h
12 h
6 min
30 min
6 h
Global reasonable 2009-02-10 John Eyre
265 Cloud liquid water (CLW) PBL 2.1 Global Numerical Weather Prediction and Real-time Monitoring 20 %
50 %
100 %
5 km
15 km
50 km
0.2 km
1 km
2 km
60 min
3 h
12 h
6 min
30 min
6 h
Global reasonable 2009-02-10 John Eyre
794 Cloud liquid water (CLW) FT
PBL
2.5 Atmospheric Climate Monitoring 25 % 5 % 50 km 3 h Global reasonable 2019-09-25 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016) Requirements in the GCOS-200 IP, Annex A, are only specified at the goal level. In GCOS IP cloud water path includes liquid and ice
212 Cloud liquid water (CLW) FT GEWEX (deprecated) 5 %
10 %
20 %
50 km
100 km
250 km
3 h
6 h
12 h
30 d
45 d
60 d
Global tentative 1998-10-29 WCRP
213 Cloud liquid water (CLW) PBL GEWEX (deprecated) 5 %
10 %
20 %
50 km
100 km
250 km
3 h
6 h
12 h
30 d
45 d
60 d
Global tentative 1998-10-29 WCRP