1. 9 What is El Nino and La Nina phenomenon?

2. 30 Moreover, La Nina will bring surprising consequences worse than the El Nino Phenomenon.

3. 15 Experts say the El Nino is becoming a new phenomenon called the La Nina.

4. CPC is an office under the National Oceanic and Atmospheric Administration (NOAA). The body said La Nina will last into spring of this year.