Multivariate ENSO Index
E121882
The Multivariate ENSO Index is a composite climate indicator that tracks the strength and phase of El Niño–Southern Oscillation events using multiple atmospheric and oceanic variables.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Multivariate ENSO Index canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1053972 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Multivariate ENSO Index Context triple: [Southern Oscillation Index, relatedIndex, Multivariate ENSO Index]
-
A.
Southern Oscillation Index
The Southern Oscillation Index is a standardized atmospheric pressure-based metric used to monitor and quantify the strength and phase of the El Niño–Southern Oscillation climate pattern.
-
B.
Oceanic Niño Index
The Oceanic Niño Index is a standardized measure of sea surface temperature anomalies in the central equatorial Pacific used to monitor and classify El Niño and La Niña events.
-
C.
El Niño–Southern Oscillation
El Niño–Southern Oscillation is a recurring climate pattern involving temperature and pressure changes in the tropical Pacific that strongly influences global weather and climate variability.
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D.
Madden–Julian Oscillation
The Madden–Julian Oscillation is a large-scale tropical atmospheric pattern characterized by eastward-moving pulses of enhanced and suppressed rainfall that strongly influence global weather and climate variability on intraseasonal timescales.
-
E.
Southern Oscillation
The Southern Oscillation is a large-scale atmospheric pressure pattern across the tropical Pacific that drives the El Niño–Southern Oscillation climate phenomenon and influences global weather and rainfall.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Multivariate ENSO Index Target entity description: The Multivariate ENSO Index is a composite climate indicator that tracks the strength and phase of El Niño–Southern Oscillation events using multiple atmospheric and oceanic variables.
-
A.
Southern Oscillation Index
The Southern Oscillation Index is a standardized atmospheric pressure-based metric used to monitor and quantify the strength and phase of the El Niño–Southern Oscillation climate pattern.
-
B.
Oceanic Niño Index
The Oceanic Niño Index is a standardized measure of sea surface temperature anomalies in the central equatorial Pacific used to monitor and classify El Niño and La Niña events.
-
C.
El Niño–Southern Oscillation
El Niño–Southern Oscillation is a recurring climate pattern involving temperature and pressure changes in the tropical Pacific that strongly influences global weather and climate variability.
-
D.
Madden–Julian Oscillation
The Madden–Julian Oscillation is a large-scale tropical atmospheric pattern characterized by eastward-moving pulses of enhanced and suppressed rainfall that strongly influence global weather and climate variability on intraseasonal timescales.
-
E.
Southern Oscillation
The Southern Oscillation is a large-scale atmospheric pressure pattern across the tropical Pacific that drives the El Niño–Southern Oscillation climate phenomenon and influences global weather and rainfall.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
ENSO index
ⓘ
climate index ⓘ meteorological indicator ⓘ |
| abbreviation | MEI ⓘ |
| acronymOf | MEI ⓘ |
| basedOn |
cloudiness
ⓘ
meridional wind ⓘ multiple atmospheric variables ⓘ multiple oceanic variables ⓘ sea surface temperature ⓘ sea-level pressure ⓘ surface air temperature ⓘ zonal wind ⓘ |
| comparedWith |
Oceanic Niño Index
ⓘ
Southern Oscillation Index ⓘ |
| coversRegion |
Equatorial Pacific
ⓘ
surface form:
tropical Pacific Ocean
|
| dataFormat | time series ⓘ |
| developedAt |
Earth System Research Laboratories
ⓘ
surface form:
NOAA Earth System Research Laboratory
Physical Sciences Laboratory ⓘ |
| developedBy |
Klaus Wolter
ⓘ
Michael S. Timlin ⓘ |
| developedIn |
United States of America
ⓘ
surface form:
United States
|
| hasVersion |
MEI.ext
ⓘ
MEI ⓘ
surface form:
MEI.v2
|
| hostedOn | NOAA PSL website ⓘ |
| indicatorOf |
global climate anomalies
ⓘ
tropical Pacific climate variability ⓘ |
| measures |
ENSO phase
ⓘ
ENSO strength ⓘ El Niño–Southern Oscillation ⓘ |
| publishedBy | National Oceanic and Atmospheric Administration ⓘ |
| quantifies |
ENSO cold events
ⓘ
ENSO warm events ⓘ ENSO-neutral conditions ⓘ |
| referencePeriod | 1950–1993 (original MEI) ⓘ |
| relatedTo |
El Niño
ⓘ
La Niña ⓘ Southern Oscillation ⓘ |
| timeResolution |
bimonthly
ⓘ
monthly (in some versions) ⓘ |
| usedBy |
climate modelers
ⓘ
climate scientists ⓘ meteorological agencies ⓘ |
| usedFor |
ENSO diagnostics
ⓘ
climate monitoring ⓘ seasonal climate prediction ⓘ |
| usesMethod |
multivariate statistical analysis
ⓘ
principal component analysis ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Multivariate ENSO Index Description of subject: The Multivariate ENSO Index is a composite climate indicator that tracks the strength and phase of El Niño–Southern Oscillation events using multiple atmospheric and oceanic variables.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.