WMO OSCAR | Details for Variable: Accumulated precipitation

Variable: Accumulated precipitation

Definition

Full name	Accumulated precipitation
Definition	Integration of solid and liquid precipitation rate reaching the ground over a time period defined in the metadata.
Measuring Units	mm	Uncertainty Units	mm
Horizontal Res Units	km	Vertical Res Units
Stability Units	mm (Stability /decade)

Comment:	Previous name: "Precipitation index (daily cumulative)"
Last modified:	2024-07-23
Applied in OSCAR/Space Gap Analysis:	Yes

Classification

Domain: Atmosphere
- Sub-domain: Clouds and precipitations
  - Variable: Accumulated precipitation
    - Measured in Layers:
      - Near Surface

Cross-cutting themes:

Earth System Application Categories and its related Application Areas:
- 2. Atmospheric Applications
- 2. Atmospheric Applications
- 2. Atmospheric Applications
- 2. Atmospheric Applications
- 2. Atmospheric Applications
- 4. Hydrological and Terrestrial Applications
- 6. Integrated Earth System Applications
Unknown:
- Climate-AOPC (deprecated)
- GEWEX (deprecated)

Requirements defined for Accumulated precipitation (9)

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	Stability / decade	Hor Res	Obs Cyc	Timeliness	Coverage	Conf Level	Val Date	Source	General Comment	Observation Comment
31	Accumulated precipitation	Near Surface	2.9 Agricultural Meteorology		2 mm 5 mm 10 mm		0.25 km 20 km 50 km	24 h 36 h 3 d	24 h 30 h 2 d	Global	reasonable	2003-10-20	ET ODRRGOS	Evaluation of soil moisture and avail to plants
54	Accumulated precipitation	Near Surface	Climate-AOPC (deprecated)		1 mm 1.3 mm 2 mm		100 km 200 km 500 km	12 h 16 h 24 h	24 h 3 d 12 d	Global	firm	2007-07-19	AOPC
204	Accumulated precipitation	Near Surface	GEWEX (deprecated)		0.5 mm 1 mm 5 mm		50 km 100 km 250 km	60 min 3 h 12 h	30 d 45 d 60 d	Global	reasonable	1998-10-29	WCRP
244	Accumulated precipitation	Near Surface	2.1 Global Numerical Weather Prediction and Real-time Monitoring		0.5 mm 2 mm 5 mm		10 km 30 km 100 km	60 min 3 h 12 h	24 h 5 d 30 d	Global	firm	2009-02-10	John Eyre
334	Accumulated precipitation	Near Surface	2.2 High-Resolution Numerical Weather Prediction		0.5 mm 2 mm 5 mm		0.5 km 2 km 10 km	30 min 2 h 6 h	6 h 9 h 24 h	Global	firm	2011-08-04	T Montmerle
1003	Accumulated precipitation	Near Surface	2.5 Atmospheric Climate Monitoring	0.5	1 mm 2 mm 5 mm 0.5	0.02 mm 0.05 mm 0.1 mm 0.5	50 km 125 km 250 km 0.5	24 h 30 d 1 y 0.5	24 h 7 d 30 d 0.5	Global	firm	2023-05-02	GCOS-245: The 2022 ECVs Requirements (GCOS-245)	Requirements for uncertainty are specified at 2-sigma.	Temporal Resolution: For goal: daily aggregation over period which defines the upper limit of temporal sampling For breakthrough: monthly aggregation over period which defines the upper limit of temporal sampling For threshold: aggregation over period which defines the upper limit of temporal sampling
1124	Accumulated precipitation	Near Surface	4.1 Hydrological Forecasting and Real-time Monitoring		0.5 mm 2 mm 5 mm		10 km 30 km 100 km	60 sec 3 sec 12 sec	1 sec 5 sec 30 sec	Global	reasonable	2024-05-01	Emmanuel Brocard	Depends on purpose and catchment.
1126	Accumulated precipitation		2.1 Global Numerical Weather Prediction and Real-time Monitoring	0.5	1 mm 1 mm			60 min 1 sec 1 sec 0.5	2 sec 2 h 2 d 0.5	Global	firm	2024-11-14	AOPC
1127	Accumulated precipitation		6.2 Understanding Earth System Processes		1 mm 2 mm 3 mm			2 sec 10 sec 4 sec	10 sec 15 sec 20 sec	Global	speculative	2029-09-02	WCRP (M.Rixen)