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AP EXPLAINS: How one computer forecast model botched Ian
The Associated Press ^ | October 7, 2022 | By SETH BORENSTEIN

Posted on 10/07/2022 3:32:34 PM PDT by Oldeconomybuyer

As Hurricane Ian bore down on Florida, normally reliable computer forecast models couldn’t agree on where the killer storm would land. But government meteorologists are now figuring out what went wrong — and right.

Much of the forecasting variation seems to be rooted in cool Canadian air that had weakened a batch of sunny weather over the East Coast. That weakening would allow Ian to turn eastward to Southwest Florida instead of north and west to the Panhandle hundreds of miles away.

The major American computer forecast model -- one of several used by forecasters -- missed that and the error was “critical,” a National Oceanic and Atmospheric Administration postmortem of computer forecast models determined Thursday.

“It’s pretty clear that error is very consequential,” said former NOAA chief scientist Ryan Maue, now a private meteorologist who wasn’t part of NOAA’s postmortem.

Still, meteorologists didn’t miss overall with their official Hurricane Ian forecast. Ian’s eventual southwestern Florida landfall was always within the “cone of uncertainty” of the National Hurricane Center’s forecast track, although at times it was on the farthest edge.

But it wasn’t that simple. Computer forecast models, which weeks earlier had agreed on where Hurricane Fiona was going, were hundreds of miles apart as Ian chugged through the Caribbean.

The normally reliable American computer model, which had performed better than any other model in 2021 and was doing well earlier in the year, kept forecasting a Florida Panhandle landfall while the European model -- long a favorite of many meteorologists — and the British simulation were pointing to Tampa or farther south.

(Excerpt) Read more at apnews.com ...


TOPICS: Culture/Society; Government; News/Current Events; US: Florida
KEYWORDS: fl; florida; hurricane; hurricaneian; ian; models
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1 posted on 10/07/2022 3:32:34 PM PDT by Oldeconomybuyer
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To: Oldeconomybuyer
And these people want to destroy our society because they know what the earth's climate is doing - and that it's our fault.
2 posted on 10/07/2022 3:36:23 PM PDT by grobdriver (The CDC can KMA!)
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To: Oldeconomybuyer

Any bets on whether there was a new affirmative action hire in the modeling group?


3 posted on 10/07/2022 3:37:34 PM PDT by SauronOfMordor (A Leftist can't enjoy life unless they are controlling, hurting, or destroying others)
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To: Oldeconomybuyer

But Global Warming models don’t suffer from such problems. Got it!


4 posted on 10/07/2022 3:37:53 PM PDT by FirstFlaBn
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To: Oldeconomybuyer

But they can predict Climate Change.


5 posted on 10/07/2022 3:38:46 PM PDT by dfwgator (Endut! Hoch Hech!)
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To: Oldeconomybuyer

Bookmark


6 posted on 10/07/2022 3:39:37 PM PDT by Chgogal (Welcome to Fuhrer Biden's Weaponized Fascist Banana Republic! It's the road to hell.)
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To: Oldeconomybuyer

Models are always an abstraction of reality. Treat them for what they are.


7 posted on 10/07/2022 3:40:02 PM PDT by ConservativeInPA ( Scratch a leftist and you'll find a fascist )
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To: Chgogal

“Overall, the European computer model performed best, the British one had the closest eventual Florida landfall but was too slow in timing and the American model had the highest errors when it came to track, NOAA’s Alicia Bentley said during the agency’s postmortem.”


8 posted on 10/07/2022 3:41:42 PM PDT by Chgogal (Welcome to Fuhrer Biden's Weaponized Fascist Banana Republic! It's the road to hell.)
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To: FirstFlaBn

Because there is no cone of uncertainty for those models. /s


9 posted on 10/07/2022 3:44:24 PM PDT by maro (MAGA!)
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To: Chgogal

The forecast are always right... because they always update the forecast.


10 posted on 10/07/2022 3:45:22 PM PDT by Pikachu_Dad ("the media are selling you a line of soap)
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To: Pikachu_Dad

Too many hurricanes = Climate Change
Not enough hurricanes = Climate Change

Climate Change never wrong.


11 posted on 10/07/2022 3:46:15 PM PDT by dfwgator (Endut! Hoch Hech!)
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To: Oldeconomybuyer

If you looked at the satellite picture of cloud patterns you would have seen the cold front over northern Florida. It was obvious that Ian was going to turn N.E. bfore Tampa while they were forecasting a landfall at Tampa Bay.


12 posted on 10/07/2022 3:54:41 PM PDT by Colo9250
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To: Oldeconomybuyer

In other words the science failed us.


13 posted on 10/07/2022 3:55:23 PM PDT by for-q-clinton (Cancel Culture IS fascism...Let's start calling it that!)
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To: Oldeconomybuyer

Assorted Prostitutes explains nothing, they just repeat the Soros line. They are merely a deep state mouthpiece.


14 posted on 10/07/2022 3:55:46 PM PDT by doorgunner69 (Let's go Brandon)
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To: Oldeconomybuyer

As it is with all computer modeling...
12 different models, none of them are correct, but, somehow,
people think that if you average 12 “wrong” answers,
you will get the “right” answer.


15 posted on 10/07/2022 4:11:18 PM PDT by Repeal The 17th (Get out of the matrix and get a real life.)
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To: Oldeconomybuyer

A computer model is only as good as the validity of the information given to the programming team by the “experts” in their field.


16 posted on 10/07/2022 4:14:32 PM PDT by I want the USA back (The media is the enemy. They are the most subversive institution on the planet. )
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17 posted on 10/07/2022 4:16:55 PM PDT by smokingfrog ( sleep with one eye open (<o> --- )
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To: I want the USA back

GIGO?


18 posted on 10/07/2022 4:17:16 PM PDT by HandyDandy (Life is what you make it.)
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To: I want the USA back

And the assumptions built into the model!


19 posted on 10/07/2022 4:20:34 PM PDT by Reily
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But they they use the same model that predicts if the atmospheric concentratiom of CO2 ever climbs from 0.04% to 0.05% both ice caps will instantly sublime to steam and the oceans will vaporize and the ground will become a new sea of molten slag causing the polar bears, snail darters, whales and spotted owls to perish


20 posted on 10/07/2022 4:20:46 PM PDT by dsrtsage ( Complexity is just simple lacking imagination)
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