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CREATE MRE

Collaborative REAnalysis Technical Environment - Multiple Reanalysis Ensemble (CREATE-MRE)

The Collaborative REAnalysis Technical Environment - Multiple Reanalysis Ensemble (CREATE-MRE) is an ensemble of the major modern reanalyses.

There are three versions: CREATE-MRE was created in November 2017, CREATE-MRE2 in July 2018, and CREATE-MRE3 in August 2019. Each reanalysis was regridded from the source and has common pressure levels, the differences between the versions are shown in the tables on this page. More project information is available in the American Meteorological Society paper on Using the Collaborative Reanalysis Technical Environment (CREATE).

The CREATE-MRE ensembles (mean and standard deviation) are available through ESGF's CREATE, select Advanced Data Search and product MREreanalysis, MRE2reanalysis, or MRE3reanalysis.

CREATE-MRE/CREATE-MRE2/CREATE-MRE3 Variables and Pressure Levels

CREATE MRE Version Comparison

Name	Source	Time Range	Resolution and Levels	Data Frequency
Collaborative REAnalysis Technical Environment - Multiple Reanalysis Ensemble (CREATE-MRE)	CREATE-MRE (On the search page select the MRE2reanalysis Product, then click Search)	198001-201512	1.25x1.25 24 pressure levels	Monthly average
Collaborative REAnalysis Technical Environment - Multiple Reanalysis Ensemble v2 (CREATE-MRE2)	CREATE-MRE2 (On the search page select the MRE2reanalysis Product, then click Search)	198001-201712	0.75x0.75 34 pressure levels	Monthly average
Collaborative REAnalysis Technical Environment - Multiple Reanalysis Ensemble v3 (CREATE-MRE3)	CREATE-MRE3 (On the search page select the MRE2reanalysis Product, then click Search)	198001-201712	0.75x0.75 34 pressure levels	Monthly average
Ensemble Input Datasets to CREATE-MRE
NASA Modern-era Retrospective Analysis for Research and Applications (MERRA)	NASA GMAO	197901-201602	1.25x1.25 24 pressure levels	Monthly average
NASA Modern-era Retrospective Analysis for Research and Applications (MERRA-2)	NASA GMAO	197901-201602	1.25x1.25 24 pressure levels	Monthly average
ECMWF ERA-Interim	ECMWF	197901-201602	1.25x1.25 24 pressure levels	Monthly average
NCEP Climate Forecast System Reanalysis (CFSR and CFSv2)	NCEP	197901-201602	1.25x1.25 24 pressure levels	Monthly average
Japanese 55-year Reanalysis (JRA-55)	Japan Meteorological Agency (JMA)	197901-201602	1.25x1.25 24 pressure levels	Monthly average
Ensemble Input Datasets to CREATE-MRE2 and CREATE-MRE3 The CREATE-MRE2 formatted individual input datasets are available at ESGF CREATE: on the search page, choose the MRE2 reanalysis product and any of ECMWF, JMA, NASA-GMAO or NCEP institutions – then click Search.
NASA Modern-era Retrospective Analysis for Research and Applications (MERRA)	NASA GMAO	198001-201512	0.75x0.75 34 pressure levels	Monthly average
NASA Modern-era Retrospective Analysis for Research and Applications (MERRA-2)	NASA GMAO	198001-201712	0.75x0.75 34 pressure levels	Monthly average
ECMWF ReAnalysis Interim (ERA-I)	ECMWF	198001-201712	0.75x0.75 34 pressure levels	Monthly average
ECMWF ReAnalysis 5 (ERA-5) (CREATE-MRE3 only)	ECMWF	198001-201712	0.75x0.75 34 pressure levels	Monthly average
NCEP Climate Forecast System Reanalysis (CFSR and CFSv2)	NCEP	198001-201712	0.75x0.75 34 pressure levels	Monthly average
Japanese 55-year ReAnalysis (JRA-55-mdl-iso)	Japan Meteorological Agency (JMA)	198001-201712	0.75x0.75 34 pressure levels	Monthly average

Atmospheric Monthly Variables

Long Name	Variable Name	MERRA	MERRA-2	ECMWF	CFSR	JRA-55	JRA-25	20CRv2c	CREATE-MRE	MRE2/MRE3
Air Pressure at Convective Cloud Base	ccb				✔
Air Pressure at Convective Cloud Top	cct				✔
Cloud Area Fraction	cl	✔	✔
Ice Water Path	clivi			✔
Total Cloud Fraction	clt	✔	✔	✔	✔		✔	✔	✔	✔
Condensed Water Path	clwvi			✔
Evaporation	evspsbl	✔	✔	✔	✔				✔	✔
Surface Upward Latent Heat Flux	hfls	✔	✔	✔	✔			✔		✔
Surface Upward Sensible Heat Flux	hfss	✔	✔	✔	✔			✔		✔
Relative Humidity	hur	✔	✔	✔	✔			✔	✔	✔
Near-Surface Relative Humidity	hurs						✔
Specific Humidity	hus	✔	✔	✔	✔	✔	✔	✔	✔	✔
Near-Surface Specific Humidity	huss				✔		✔	✔
Precipitation	pr	✔	✔	✔	✔			✔	✔	✔
Convective Precipitation	prc	✔	✔	✔	✔			✔
Snowfall Flux	prsn	✔	✔	✔
Water Vapor Path	prw	✔	✔	✔			✔	✔	✔	✔
Surface Air Pressure	ps	✔	✔	✔	✔	✔	✔	✔	✔	✔
Sea Level Pressure	psl	✔	✔	✔	✔		✔	✔	✔	✔
Surface Downwelling Longwave Radiation	rlds	✔	✔	✔	✔	✔	✔	✔	✔	✔
Surface Downwelling Clear-Sky Longwave Radiation	rldscs	✔	✔		✔	✔	✔
Surface Upwelling Longwave Radiation	rlus	✔	✔	✔	✔	✔	✔	✔	✔	✔
TOA Outgoing Longwave Radiation	rlut	✔	✔	✔	✔	✔	✔	✔	✔	✔
TOA Outgoing Clear-Sky Longwave Radiation	rlutcs	✔	✔	✔	✔	✔	✔		✔	✔
Surface Downwelling Shortwave Radiation	rsds	✔	✔	✔	✔	✔	✔	✔	✔	✔
Surface Downwelling Clear-Sky Shortwave Radiation	rsdscs	✔	✔		✔	✔	✔
TOA Incident Shortwave Radiation	rsdt	✔	✔	✔	✔	✔	✔		✔	✔
Surface Upwelling Shortwave Radiation	rsus		✔	✔	✔	✔	✔	✔	✔	✔
TOA Outgoing Shortwave Radiation	rsut	✔	✔	✔	✔	✔	✔	✔	✔	✔
Surface Upwelling Clear-Sky Shortwave Radiation	rsuscs		✔		✔	✔	✔
TOA Outgoing Clear-Sky Shortwave Radiation	rsutcs	✔	✔	✔	✔	✔	✔		✔	✔
Surface Snow and Ice Sublimation Flux	sbl				✔
Air Temperature	ta	✔	✔	✔	✔	✔	✔	✔	✔	✔
Near-Surface Air Temperature	tas	✔	✔	✔	✔		✔	✔	✔	✔
Daily Maximum Near-Surface Air Temperature	tasmax		✔		✔		✔	✔
Daily Minimum Near-Surface Air Temperature	tasmin		✔		✔		✔	✔
Surface Downward Eastward Wind Stress	tauu	✔	✔	✔	✔			✔
Surface Downward Northward Wind Stress	tauv	✔	✔	✔	✔			✔
Transpiration (Land)	tran		✔		✔			✔
Mole Fraction of O3	tro3	✔	✔	✔	✔	✔	✔		✔	✔
Surface Temperature	ts	✔	✔	✔				✔		✔
Eastward Wind	ua	✔	✔	✔	✔	✔	✔	✔	✔	✔
Eastward Near-Surface Wind	uas	✔	✔	✔	✔		✔	✔	✔	✔
Northward Wind	va	✔	✔	✔	✔	✔	✔	✔	✔	✔
Northward Near-Surface Wind	vas	✔	✔	✔	✔		✔	✔	✔	✔
Omega	wap	✔	✔	✔	✔			✔
Geopotential Height	zg	✔	✔	✔	✔	✔	✔	✔	✔	✔

Last Update: June 17, 2020, 6:58 a.m. by Vincent Wild

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