The end of the post touches on it, but couldn’t this be foreshadowing the really bad El Niño that they’ve been talking about?
El Niño is already underway. Stripe's climate scientist Zeke Hausfather built a dashboard here: https://dashboard.theclimatebrink.com/#enso
We're way off the charts already.
Yes El Niño creates sheer in the tropical Atlantic inhibiting tropical cyclone formation in that area