Arkstorm Events have occurred about every 200 years now for the last 2000 years in California. So, another one could theoretically happen any day now

• partial quote from Google AI on this subject:
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• ARkStorm: Scientists now study the 1861-1862 event as a model for future potential megafloods, referring to it as the ARkStorm scenario.
• Repeat events: Paleoclimate research indicates that such extreme weather events have occurred roughly every 200 years over the past 2,000 years.