The looming threat of a "super" El Niño is casting a shadow over the western United States, with climate scientists sounding the alarm about potential catastrophic impacts. This year's El Niño, characterized by sea surface temperatures soaring by at least 2C, is predicted to be the strongest of the century. The implications are dire, especially for California, which faces a 70%-100% chance of above-average rainfall along its coast, according to the European center for medium-range forecasts. This raises a deeper question: How should we prepare for the inevitable?
El Niño, a natural climate phenomenon, has historically wreaked havoc on California. The 1982-83 El Niño event destroyed 33 ocean-front homes and damaged 3,000 others, while the 1997-98 El Niño brought massive flooding and 17 storm-related deaths. Even more recently, the 2015-16 El Niño winter saw record coastal erosion on California beaches. Mark Merrifield of the Scripps Institution of Oceanography warns that with less beach in front of the coastline, the impact of waves will be magnified, increasing the likelihood of flooding and undercutting of cliffs.
However, El Niño's reach extends beyond California. The US Gulf coast and east coast, including Florida, face similar high odds of increased precipitation. Central and south Florida have historically experienced more severe weather during El Niño years, with more tornadoes and flood events. A 1998 El Niño winter outbreak of unusually strong tornadoes led to 42 deaths and over $100 million in damage.
What makes this particularly fascinating is the unpredictability of El Niño's effects. While some El Niños have fueled hurricanes and heavy precipitation, others have triggered extreme heat and drought. This natural cycle, as Merrifield points out, serves as a stress test for California's vulnerability to future climate change. It's a sobering reminder that we must prepare for the worst-case scenarios.
The question remains: How can we effectively prepare for a "super" El Niño? The answer lies in understanding our vulnerabilities and taking proactive measures. As Merrifield suggests, this El Niño presents an opportunity to assess our state's preparedness and adapt to the challenges posed by climate change. It's a call to action, urging us to learn from history and safeguard our communities against the impending storm.