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El Nino / La Nino |  |
Excellent video that explains the different effects El Nino and La Nina ocean conditions have on weather in North America and how the two are formed.
Another great video that Observes the impacts of an El Nino pattern and shows how experts track El Nino Conditions and how the predict El Nino systems.
Youtube video of a Meteorologist talking about El Nino effects and occurences.
EL Nino/SOUTHERN OSCILLATION (ENSO) DIAGNOSTIC DISCUSSION
Comparison of El Nino and La Nina and their impact on weather in North America (PDF)