On Wednesday morning,kartun lucah a tropical storm called Helene just off the coast of Mexico's Yucatan Peninsula had just been upgraded to a hurricane — one all but certain to hit Florida on Thursday.
Now is the time when we all love to stare at cones and "spaghetti models" showing potential paths as the storm makes its approach, but right from the jump: Please be careful about how you consume this notoriously misunderstoodinformation.
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NOAA's cone graphic of Hurricane Helene
According to NOAA, as of 4:00 a.m. ET Wednesday, "There is a danger of life-threatening storm surge along the entire west coast of the Florida Peninsula and Florida Big Bend. The highest inundation levels are expected along the coast of the Florida Big Bend." In graphic form, that looks like this:
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NOAA's cone graphic of Tropical Storm Helene showing threats to parts of Mexico and Florida. Credit: NOAA As a reminder, NOAA's cone graphic is a fairly reliable prediction of the range of paths the center of the stormmay take. The cone is not — as it may appear at first glance — a prediction of an ever-widening storm exploding into the inland United States. Severe wind and storm surge can, and probably will, occur outside the cone, and some areas inside the cone will emerge from the storm totally unscathed.
If you're reading this, and it turns out you end up directly in the path of a hurricane, an evacuation order will be hard to miss. At this phase, rather than speculating about whether your specific neighborhood will face the high winds and storm surge that come from a direct hit from a hurricane, in most areas it would be wiser to just heed NOAA's broader warning from Tuesday:
Heavy rainfall will likely result in locally considerable flash flooding across portions of Florida, with isolated flash and urban flooding possible across the Southeast, Southern Appalachians, and the Tennessee Valley Wednesday through Friday.
Spaghetti model for Helene
Spaghetti models, like the NOAA cone model, visualize mathematical possibilities.
Unlike the cone, they present the actual paths predicted by a collection of computer models, all spilling out like spaghetti from Strega Nona's magical pasta pot. And like the cone, the spaghetti model can be deceptive. All the paths in the spaghetti model are both speculative and contradictions of one another. The actual storm will only follow one path, and it's almost certain that none of the predicted paths in this splatter of noodles will be perfectly predictive.
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The above model, posted online on the personal X account of Clark Evans, who works as a research physical scientist at NOAA, shows a fairly tight collection of paths. The storm appears to be headed to the Big Bend, and looks like it could easily thread the needle between Panama City Beach in the west and Tallahassee in the east — mostly avoiding heavily populated areas. But some paths in the spaghetti model do show the storm hitting those populous areas. If this spaghetti is to be believed, Tampa will not face a direct hit.
Outlier events most often do not come true. But events also don't conform to averages of predictions. Though top weather models can be astonishingly accurate, the weather simply occurs, and its precise schema is, and will always be, totally alien thanks to the incalculable number of tiny natural and man-made factors that contribute to outcomes.