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A hurricane that is barrel toward Florida ’s coast could be one of the most dangerous storms in late history to come to the state , forecasters say .

Hurricane Helene , which has been disembowel strength from record - breaking fond urine in the Gulf of Mexico , is now a Category 4 storm and is expected to score Florida ’s coast Thursday ( Sept. 26 ) nighttime or Friday ( Sept. 27 ) break of the day , according to theNational Hurricane Center(NHC ) .

A satellite image of a very large hurricane moving toward Florida.

Hurricane Helene in the Gulf of Mexico in a satellite image captured at 10am ET on Sept. 26, 2024.

As of 7 p.m. EDT , Helene had maximal sustained malarky of 130 miles per hour ( 210 kilometer / h ) and was moving northeast at 23 miles per hour ( 37 km / h ) , with hurricane - force-out winds extending up to 60 miles ( 95 kilometers ) from its shopping centre , according to the NHC .

Once it makes landfall , Helene is expected to bring on a significant storm surge of up to 20 feet ( 6 meters ) above normal sea level . tempest - spate admonition are in effect along portion of Florida ’s Big Bend seacoast , and the surge has been omen to be " unsurvivable " at Apalachee Bay , harmonize toa warningissued by the Tallahassee branch of the National Weather Service ( NWS ) .

" A catastrophic and deadly violent storm surge is likely along helping of the Florida Big Bend coast , where inundation could reach as high as 20 feet above ground storey , along with destructive Wave , " the NWSwrote on X. " There is also a risk of life - threatening violent storm surge along the remainder of the west coast of the Florida Peninsula . "

Residents fill sandbags at Helen Howarth Park in Pinellas Park, Florida, fill sandbags ahead of Hurricane Helene’s arrival.

Residents fill sandbags at Helen Howarth Park in Pinellas Park, Florida, fill sandbags ahead of Hurricane Helene’s arrival.

This is probable an unsurvivable storm surge height .

" When you ’re talking about a storm spate majuscule than 10 foot [ 3 G ] — which we ’re spill the beans about for a big fortune of the Florida Big Bend region — this is a storm surge that is very difficult to survive,“Daniel Brown , the ramification gaffer of the National Oceanic and Atmospheric Administration ’s ( NOAA ) Federal Hurricane Specialist Unit , told Live Science . " Ten feet is over the heads of humans and the water is going to be travel , [ there will be ] a portion of wave activeness specially right along the seashore . "

Brown said that the spate , which will owe its size to the shape of the Florida coastline and the size of the hurricane , will probably have the force to damage or demolish building along the coast , think that people should empty immediately .

a satellite image of a hurricane cloud

" People should not be there , " Brown say . " You do n’t have to go hundreds of miles , you just have to get out of the storm surge area . "

Hurricanesgrow from a thin layer of ocean water that evaporates due to malarky . That wet rises to make storm clouds . The warmer the ocean is , the more vigor the organisation gets , pushing the formation process into overdrive and enabling wild storm to rapidly take shape . This is whyhurricane seasonoccurs from June to November and why the most herculean storm in the Atlantic usually occur between August and September , when ocean temperatures peak .

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scientist previously discover that clime change has made extremely dynamic Atlantichurricane season much more likelythan they were in the 1980s . Since March 2023 , average sea surface temperature around the world have hitrecord - shatter highs , giving storm such as Helene an extra shot of strength before they hit earth .

Once Helene bring in landfall , it is expect to move through Florida and then continue inland across Georgia , Tennessee and Alabama — a path that has put millions under hurricane and tropic storm warnings .

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" Water is the number one reason that we see multitude lose their lives in these tempest . So , please do n’t lowball what the shock could peradventure be , " FEMA AdministratorDeanne Criswellsaid at a White Housenews conferenceWednesday ( Sept. 25 ) . " You want to listen to your local official . If they tell you to void , please do so . And if they tell you to shelter in situation , then that ’s what you should do . They ’re go to give you the good data that you’re able to do for your specific situation . Those decisions can save up lives . "

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