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Requirement details

UID 109
Name Air specific humidity (at surface)
Note Air specific humidity measured at 2 m above surface. The specific humidity is the ratio between the mass of water vapour and the mass of moist air. Requirements copied from OSCAR (#252 Global NWP).
Dissemination NRT Service
Quality Control Procedure Automatic
Group Meteorology
Status -
Uncertainty
10 %
5 %
2 %
Update Frequency
12 h
3 h
60 min
Timeliness
6 h
30 min
6 min
Scale
Horizontal resolution
250 km
50 km
15 km
Vertical resolution
Essential variables
State Draft
Created on March 12, 2018, 4:52 p.m.
Last updated on Dec. 20, 2021, 12:32 p.m.

Products

Product UID Product Level of definition Relevant for Criticality Barriers Note Created on Last updated on
77 Global Climate Reanalysis Firm Product generation Essential Availability, Coverage, Data policy March 12, 2018, 5:37 p.m. Dec. 20, 2021, 12:32 p.m.
75 Hydrological Climate Variables - Relative Humidity of Surface Air Firm Product generation Essential Availability, Coverage, Data policy March 12, 2018, 4:53 p.m. Dec. 20, 2021, 12:32 p.m.
76 Hydrological Climate Variables - Volumetric Moisture Content Firm Product generation Essential Availability, Coverage, Data policy March 12, 2018, 5:14 p.m. Dec. 20, 2021, 12:32 p.m.
336 Regional Reanalysis for Europe Firm Product generation Essential Availability, Coverage, Data policy Dec. 20, 2018, 4:48 p.m. Dec. 20, 2021, 12:32 p.m.
337 Arctic Regional Reanalysis Firm Product generation Essential Availability, Coverage, Data policy Dec. 20, 2018, 4:50 p.m. Dec. 20, 2021, 12:32 p.m.
389 Monthly climate bulletin Firm Product generation Essential Availability, Coverage, Data policy Oct. 30, 2019, 5:31 p.m. Dec. 20, 2021, 12:32 p.m.

Data

Data UID Data Level of compliance Note Information costs Handling costs Created on Last updated on
29 ERA5 Fully March 12, 2018, 5:37 p.m. Dec. 20, 2021, 12:32 p.m.
247 WMO WWW Fully April 11, 2019, 4:57 p.m. Dec. 20, 2021, 12:32 p.m.