WMO OSCAR | Details for Variable: Atmospheric temperature

Variable: Atmospheric temperature

Definition

Full name	Atmospheric temperature
Definition	3D field of the atmospheric temperature
Measuring Units	K	Uncertainty Units	K
Horizontal Res Units	km	Vertical Res Units	km
Stability Units	K (Stability /decade)

Comment:	Necessary to derive atmospheric stability index, in combination with Specific Humidity, in Low Troposphere (LT). Also used for atmosphere-ionosphere coupled models.
Last modified:	2024-11-07
Applied in OSCAR/Space Gap Analysis:	Yes

Classification

Domain: Atmosphere
- Sub-domain: Basic atmospheric
  - Variable: Atmospheric temperature
    - Measured in Layers:
      - MUS
      - UTLS
      - FT
      - PBL
      - LoThermo
      - HiThermo
      - M

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
- 2. Atmospheric Applications
- 1. Space Weather Applications
- 1. Space Weather Applications
Unknown:
- Climate-AOPC (deprecated)
- Space Weather

Requirements defined for Atmospheric temperature (22)

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	Ver Res	Obs Cyc	Timeliness	Coverage	Conf Level	Val Date	Source	General Comment	Observation Comment
15	Atmospheric temperature	UTLS FT PBL	2.8 Aeronautical Meteorology		2 K 3 K 5 K		50 km 70 km 100 km	0.15 km 0.3 km 0.6 km	60 min 90 min 3 h	60 min 80 min 2 h	Global	firm	2014-03-27	ET ODRRGOS
71	Atmospheric temperature	MUS M	Climate-AOPC (deprecated)		0.5 K 1 K 3 K		100 km 200 km 500 km	2 km 2.5 km 3 km	3 h 4 h 6 h	3 h 6 h 12 h	Global	firm	2007-07-19	AOPC	Signal size in B.D. Santer et al., 1999 JGR, 104, 6305-6333, supports this need.
72	Atmospheric temperature	FT	Climate-AOPC (deprecated)		0.5 K 1 K 2 K		100 km 200 km 500 km	0.1 km 0.2 km 0.5 km	3 h 4 h 6 h	3 h 6 h 12 h	Global	firm	2007-07-19	AOPC	Signal size in B.D. Santer et al., 1999 JGR, 104, 6305-6333, supports this need.
73	Atmospheric temperature	UTLS	Climate-AOPC (deprecated)		0.5 K 1 K 2 K		100 km 200 km 500 km	2 km 2.5 km 3 km	3 h 4 h 6 h	3 h 6 h 12 h	Global	firm	2007-07-19	AOPC	Signal size in B.D. Santer et al., 1999 JGR, 104, 6305-6333, supports this need.
74	Atmospheric temperature	PBL	Climate-AOPC (deprecated)		0.5 K 1 K 2 K		100 km 200 km 500 km	0.1 km 0.2 km 0.5 km	3 h 4 h 6 h	3 h 6 h 12 h	Global	firm	2007-07-19	AOPC	Signal size in B.D. Santer et al., 1999 JGR, 104, 6305-6333, supports this need.
254	Atmospheric temperature	MUS M	2.1 Global Numerical Weather Prediction and Real-time Monitoring		0.5 K 3 K 5 K		50 km 100 km 500 km	0.3 km 1 km 3 km	60 min 6 h 24 h	6 min 30 min 6 h	Global	reasonable	2009-02-10	John Eyre
255	Atmospheric temperature	FT	2.1 Global Numerical Weather Prediction and Real-time Monitoring		0.5 K 1 K 3 K		15 km 100 km 500 km	0.3 km 0.5 km 1 km	60 min 6 h 24 h	6 min 30 min 6 h	Global	tentative	2020-03-30	Masahiro Kazumori (PoC GNWP)
256	Atmospheric temperature	UTLS	2.1 Global Numerical Weather Prediction and Real-time Monitoring		0.5 K 1 K 3 K		15 km 100 km 500 km	0.3 km 1 km 3 km	60 min 6 h 24 h	6 min 30 min 6 h	Global	firm	2009-02-10	John Eyre
257	Atmospheric temperature	PBL	2.1 Global Numerical Weather Prediction and Real-time Monitoring		0.5 K 1 K 3 K		15 km 100 km 500 km	0.3 km 1 km 3 km	60 min 6 h 24 h	6 min 30 min 6 h	Global	firm	2009-02-10	John Eyre
339	Atmospheric temperature	FT	2.2 High-Resolution Numerical Weather Prediction		0.5 K 1 K 3 K		1 km 5 km 25 km	0.3 km 0.45 km 1 km	15 min 60 min 6 h	15 min 30 min 2 h	Global	firm	2014-03-12	T Montmerle
340	Atmospheric temperature	UTLS	2.2 High-Resolution Numerical Weather Prediction		0.5 K 1 K 3 K		10 km 25 km 100 km	1 km 1.5 km 3 km	15 min 60 min 6 h	15 min 30 min 2 h	Global	firm	2011-08-04	T Montmerle
341	Atmospheric temperature	PBL	2.2 High-Resolution Numerical Weather Prediction		0.5 K 1 K 3 K		0.5 km 2 km 10 km	0.1 km 0.25 km 1 km	15 min 60 min 3 h	10 min 30 min 2 h	Global	firm	2019-12-04	T Montmerle
427	Atmospheric temperature	PBL	2.3 Nowcasting / Very Short-Range Forecasting		0.5 K 1 K 3 K		5 km 10 km 50 km	0.1 km 0.3 km 1 km	5 min 10 min 60 min	5 min 10 min 60 min	Global	firm	2013-04-03	P. Ambrosetti	Higher resolution is required for derivation of atmospheric stability index
428	Atmospheric temperature	FT	2.3 Nowcasting / Very Short-Range Forecasting		0.5 K 1 K 2 K		5 km 20 km 200 km	0.1 km 0.5 km 2 km	15 min 30 min 60 min	5 min 10 min 30 min	Global	firm	2013-04-03	P. Ambrosetti
714	Atmospheric temperature	LoThermo	Space Weather		10 K 14 K 20 K		100 km 200 km 500 km	5 km 10 km 25 km	5 sec 60 sec 5 min	5 min 20 min 60 min	Global	tentative	2013-10-01	ICTSW (T. Onsager)	For atmosphere-ionosphere coupled models
715	Atmospheric temperature	HiThermo	Space Weather		35 K 75 K 140 K		100 km 200 km 500 km	20 km 30 km 50 km	5 sec 5 min 30 min	30 min 45 min 60 min	Global	tentative	2013-10-01	ICTSW (T. Onsager)	Note: the requirement on uncertainty varies considerably with phase of the solar cycle as the atmospheric temperature in the high thermosphere varies. The threshold value of uncertainty is approximately 140 K during solar maximum and 70 K during solar minimum.
778	Atmospheric temperature	PBL	2.5 Atmospheric Climate Monitoring	0.5	0.1 K 0.5 K 1 K 0.5	0.01 K 0.05 K 0.1 K 0.5	15 km 100 km 500 km 0.5	0.001 km 0.01 km 0.1 km 0.5	60 min 6 h 12 h 0.5	60 min 3 h 24 h 0.5	Global	firm	2023-04-28	GCOS-245: The 2022 ECVs Requirements (GCOS-245)	Requirements for uncertainty are specified at 2-sigma.	Goal for temporal resolution: Sub-hourly. A typical 4D-Var timeslot length, a subdivision into which observations are grouped for processing (ECMWF 2018)
779	Atmospheric temperature	UTLS	2.5 Atmospheric Climate Monitoring	0.5	0.1 K 0.5 K 1 K 0.5	0.01 K 0.02 K 0.05 K 0.5	15 km 100 km 500 km 0.5	0.025 km 0.1 km 0.25 km 0.5	60 min 12 h 24 h 0.5	60 min 3 h 6 h 0.5	Global	firm	2023-04-27	GCOS-245: The 2022 ECVs Requirements (GCOS-245)	Requirements for uncertainty are specified at 2-sigma.
780	Atmospheric temperature	MUS M	2.5 Atmospheric Climate Monitoring	0.5	0.1 K 0.5 K 1 K 0.5	0.05 K 0.1 K 0.2 K 0.5	50 km 100 km 1500 km 0.5	0.5 km 1 km 3 km 0.5	60 min 12 h 24 h 0.5	60 min 3 h 6 h 0.5	Global	firm	2023-05-05	GCOS-245: The 2022 ECVs Requirements (GCOS-245)	Requirements for uncertainty are specified at 2-sigma.
1016	Atmospheric temperature	FT	2.5 Atmospheric Climate Monitoring	0.5	0.1 K 0.5 K 1 K 0.5	0.01 K 0.02 K 0.05 K 0.5	15 km 100 km 1000 km 0.5	0.01 km 0.1 km 1 km 0.5	60 min 12 h 24 h 0.5	60 min 3 h 6 h 0.5	Global	firm	2023-05-05	GCOS-245: The 2022 ECVs Requirements (GCOS-245)	Requirements for uncertainty are at 2-sigma
1071	Atmospheric temperature	LoThermo	1.3 Ionosphere, Thermosphere and Geomagnetic Field Forecasting and Monitoring	0.5							Global	firm	2024-04-30	New source to be determined	For atmosphere-ionosphere coupled models.
1072	Atmospheric temperature	HiThermo	1.3 Ionosphere, Thermosphere and Geomagnetic Field Forecasting and Monitoring	0.5							Global	firm	2024-04-30	New source to be determined