Niño 3.4 region
E504840
El Niño–Southern Oscillation monitoring region
climatological region
sea surface temperature index region
The Niño 3.4 region is a central equatorial Pacific Ocean area whose sea surface temperature anomalies are widely used to define and monitor El Niño and La Niña events.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
El Niño–Southern Oscillation monitoring region
ⓘ
climatological region ⓘ sea surface temperature index region ⓘ |
| centeredOn | equator ⓘ |
| climateTimescale | interannual variability ⓘ |
| coordinateSystem | geographic coordinates ⓘ |
| dataProduct |
ERSST
NERFINISHED
ⓘ
OISST NERFINISHED ⓘ |
| dataSource |
in situ buoy measurements
ⓘ
satellite SST observations ⓘ ship observations ⓘ |
| definesEvent |
El Niño when 3‑month SST anomaly ≥ +0.5°C for several consecutive seasons
ⓘ
La Niña when 3‑month SST anomaly ≤ −0.5°C for several consecutive seasons ⓘ |
| hasAbbreviation | NINO3.4 ⓘ |
| hasIndexName | Niño 3.4 index ⓘ |
| hasLatitudeRange | 5°N to 5°S ⓘ |
| hasLongitudeRange | 170°W to 120°W ⓘ |
| hasMeasuredProperty |
sea surface temperature
ⓘ
sea surface temperature anomaly ⓘ |
| influences |
Indo‑Pacific climate variability
ⓘ
North American seasonal climate ⓘ South American seasonal climate ⓘ global temperature anomalies ⓘ monsoon variability ⓘ tropical cyclone activity ⓘ tropical rainfall patterns ⓘ |
| locatedIn |
central Pacific Ocean
NERFINISHED
ⓘ
equatorial Pacific Ocean NERFINISHED ⓘ |
| monitoredBy |
Climate Prediction Center
NERFINISHED
ⓘ
NOAA NERFINISHED ⓘ international climate centers ⓘ |
| oceanBasin | Pacific Ocean NERFINISHED ⓘ |
| partOf | ENSO monitoring system ⓘ |
| referencePeriodUsed | 30‑year climatological base period ⓘ |
| relatedTo |
ENSO
NERFINISHED
ⓘ
Niño 1+2 region NERFINISHED ⓘ Niño 3 region NERFINISHED ⓘ Niño 4 region ⓘ |
| usedBy |
IPCC climate assessments
NERFINISHED
ⓘ
operational meteorological agencies ⓘ |
| usedFor |
climate monitoring
ⓘ
defining ENSO phases ⓘ global climate diagnostics ⓘ monitoring El Niño events ⓘ monitoring La Niña events ⓘ seasonal climate prediction ⓘ |
| usedIn |
dynamical ENSO forecast models
ⓘ
statistical ENSO forecast models ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.