If you don’t know El Niño now, they say you will soon.

The waters of the eastern Pacific Ocean are heating up, scientists say, building towards a strong El Niño event that could rival the intensity of the record 1997 event that wreaked weather-related havoc across the globe, from mudslides in California to fires in Australia.

According to the latest forecast released Thursday by NOAA’s Climate Prediction Center, this year’s El Niño is “significant and strengthening.”