ENSO and Climate Variability

Understanding ENSO (From PMEL)

• What is El Nino?
• What is La Nina?
• Impacts of El Nino and Benefits of its Prediction
• Animations of El Nino Events From ESRL

ENSO Monitor - State of Current Conditions

• IRI ENSO Update
• Latest Summary of ENSO Model Forecasts (ENSO forecast plume)

• Latest mean SST and Wind Anomalies in the Eq Pacific: 5-day and Monthly
• Latest Equatorial SST Depths: 5-day and Monthly
• Latest Zonal Wind, SST and 20ºC Isotherm Depth Anomalies: 5-day and Monthly
• Latest 5-day 20ºC Isotherm Depth and Winds

• Latest 12-week SST Anomaly animation
• Latest ENSO Diagnostic Discussion (updated monthly)
• Latest Weekly ENSO Update (updated every Monday): PDF or Powerpoint
• Prognostic Discussion and Seasonal Outlook for U.S. Mainland and Hawaii
• Precipitation Forecasts for the Tropical Pacific Islands from CPC
• Latest Micronesia/Guam ENSO-related Accumulated Precipitation: 30-day, 90-day and 365-day
• Composite Rainfall of ENSO for Pacific Island Stations

• Latest mean SST Anomalies: Weekly, Monthly and Seasonal
• Outgoing Longwave Radiation (OLR)
• Latest 12-month SST Anomaly animation

• Latest "Weekly Tropical Climate Note

Climatology and ENSO-Related Climate Variability in the Pacific

• Average Monthly Rainfall and Temperature Information for Hawaii and US-Affiliated Island Stations (WRCC)
• Latest Micronesia/Guam ENSO-related Accumulated Precipitation: 30-day, 90-day and 365-day (NOAA CPC)
• Composite Rainfall of ENSO for Pacific Island Stations (NOAA CPC)
• NCEP/CPC Atlas No. 5: Precipitation Climatology for 66 tropical Pacific Basin stations

Tropical Cyclone Climatology in the Pacific

Other Helpful Links