The current El Nino has become a strong one, according to NOAA's September El Nino diagnostic discussion released Thursday.
Weekly sea-surface temperature departures from average topped 2 degrees Celsius from mid-August into early September in the defining strip of the equatorial Pacific Ocean monitored for El Nino, the Nino 3.4 region. El Nino events are considered strong when temperature anomali
This year's El Niño is shaping up to be a whopper — potentially surpassing the one in 1997, which was the strongest on record, the National Weather Service says.