Real-time Multivariate MJO index

E328307

Madden–Julian Oscillation index atmospheric–oceanic diagnostic tool climate index

The Real-time Multivariate MJO index is a widely used diagnostic tool that quantifies the strength and phase of the Madden–Julian Oscillation using combined atmospheric and oceanic variables.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label	Occurrences
Real-time Multivariate MJO index canonical	2
OLR-based MJO index	1

Statements (48)

Predicate	Object
instanceOf	Madden–Julian Oscillation index ⓘ atmospheric–oceanic diagnostic tool ⓘ climate index ⓘ
abbreviation	RMM ⓘ
amplitudeDefinition	square root of (RMM1 squared plus RMM2 squared) ⓘ
amplitudeThreshold	1.0 ⓘ
assumes	removal of interannual variability such as ENSO ⓘ removal of seasonal cycle ⓘ
basedOn	combined atmospheric variables ⓘ combined oceanic variables ⓘ
category	climatology ⓘ meteorology ⓘ
dataSource	operational analysis data ⓘ reanalysis data ⓘ
defines	eight MJO phases ⓘ
developedFor	operational real-time use ⓘ
fullName	Real-time Multivariate Madden–Julian Oscillation index ⓘ
hasAlternative	Real-time Multivariate MJO index self-linksurface differs ⓘ surface form: OLR-based MJO index velocity potential–based MJO index ⓘ
hasComponent	RMM1 ⓘ RMM2 ⓘ
introducedBy	Harry H. Hendon ⓘ Matthew C. Wheeler ⓘ
isComputedFrom	daily anomalies ⓘ empirical orthogonal function analysis ⓘ equatorially averaged fields ⓘ
phaseDefinition	arctangent of RMM2 over RMM1 ⓘ
phaseSpaceDimension	two-dimensional ⓘ
primaryPurpose	diagnosis of MJO phase and amplitude ⓘ real-time monitoring of the Madden–Julian Oscillation ⓘ
publicationYear	2004 ⓘ
publishedIn	Monthly Weather Review ⓘ
quantifies	phase of the Madden–Julian Oscillation ⓘ strength of the Madden–Julian Oscillation ⓘ
relatedTo	Madden–Julian Oscillation ⓘ tropical intraseasonal variability ⓘ
represents	eastward propagation of tropical convection ⓘ
shortName	RMM index ⓘ
spatialDomain	around the equator ⓘ tropical belt ⓘ
timeResolution	daily ⓘ
usedFor	climate diagnostics ⓘ forecast model verification ⓘ subseasonal prediction ⓘ tropical–extratropical teleconnection studies ⓘ
usesVariable	outgoing longwave radiation ⓘ zonal wind at 200 hPa ⓘ zonal wind at 850 hPa ⓘ

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Madden–Julian Oscillation → hasIndex → Real-time Multivariate MJO index ⓘ

Real-time Multivariate MJO index → hasAlternative → Real-time Multivariate MJO index self-linksurface differs ⓘ

this entity surface form: OLR-based MJO index

RMM1 → partOf → Real-time Multivariate MJO index ⓘ