Unusually Strong El Niño Develops Early in Tropical Pacific
The warm weather pattern could evolve into a 'super El Niño' if sea surface temperature rise by 3.6 degrees Fahrenheit above its average.

TL;DR
- El Niño has arrived early in the tropical Pacific Ocean.
- It has the potential to become historically strong.
- This could lead to some of the hottest weather in years.
- The National Weather Service (NWS) issued an El Niño advisory.
- Changes in equatorial Pacific sea surface temperatures indicate El Niño's arrival.