A weather system that "acts like a sort of traffic cop" in the Atlantic may have saved the US $150 billion and change after it helped shift Hurricane Irma's path and mitigate the storm's damage in Florida. 

Bloomberg reports it was originally estimated the massive hurricane would cost in the ballpark of $200 billion, but by the time Monday rolled around, that figure had dwindled to $50 billion. 

That's because the eye of the hurricane drifted west so that the bulk of the storm wasn't hovering over densely populated Miami-Dade County, yet it didn't drift too far west: Jeff Masters, co-founder of Weather Underground, explains that "astronomical" costs were avoided when Irma hit Marco Island straight on, rather than shifting just 20 miles more to the west, leaving the more dangerous side of the hurricane (to the right of the eye) to wreak havoc along the state's Gulf Coast.

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