Hurricane Irma battering Florida Peninsula as the core moves toward Tampa

September 10, 2017 - School Uniform

(This post will be updated via Sunday, each hour or so. It was final updated during 9:25 p.m. to simulate stream conditions in Florida.)

Extremely dangerous Hurricane Irma initial crashed into a Florida Keys on Sunday morning and afterwards done a second landfall on Marco Island on Florida’s west seashore Sunday afternoon, unleashing aroused breeze gusts adult to 142 mph and storm-surge flooding. As a absolute charge scoots adult Florida’s west seashore into this evening, forecasters fear that this charge will go down as one of a misfortune in a state’s history.

At 9 p.m., a charge was centered 35 miles east-northeast of Fort Myers. Its eyewall – containing a storm’s many aroused winds – had pushed northwest of Port Charlotte. The charge core was headed north during 14 mph toward a west side of Sarasota and Tampa, where breeze gusts of 75 to 100 mph were probable by around midnight, south to north.

Ocean levels were rising fast in Southwest Florida as a charge core carried north. In Naples, a charge swell raised H2O levels 8 feet in dual hours, between about 4:30 and 6:30 p.m. before stabilizing by around 8 p.m. But waters were usually starting to arise or had nonetheless to start their fast arise from Ft. Myers northward.

Irma’s arise winds of 105 mph, with aloft gusts, had forsaken 20 mph from a morning, creation it a Category 2 whirly (down from a Category 4). Even with delayed weakening approaching to continue as a charge passes over land, Irma remains really critical and life-threatening. The National Hurricane Center pronounced it is approaching to sojourn a whirly by Monday morning.

Coastal waters could good above routinely dry land along Florida’s executive Gulf Coast, inundating homes, businesses and roads, an “imminent danger,” according to a Hurricane Center.

Because of a storm’s magnitude, a whole state of Florida is being exceedingly influenced by deleterious winds, torrential rains and, in many areas, a risk of tornadoes. Tropical charge and whirly conditions were also approaching to widespread into a Florida Panhandle, eastern Alabama, many of Georgia and southern South Carolina by Monday.

The latest

(National Hurricane Center)

Central Florida

Irma’s eyewall should pass on a west side of Sarasota between 9:30 and 10:30 p.m. or so and afterwards on a west side of Tampa by around midnight, potentially producing breeze gusts between 75 and 100 mph.

Once Irma’s core passes north of Sarasota and Tampa Sunday night, a seas will arise ensuing in areas of coastal inundation.

On Florida’s interior and even a easterly coast, tropical-storm force winds and hurricane-force gusts were sincerely widespread Sunday evening. Orlando clocked a breeze to 79 mph and during St. Lucie, on a easterly coast, a breeze reached 99 mph.

Southwest Florida

The misfortune winds had upheld this segment usually before to 9:30 p.m. though floating showers continued on a storm’s backside.

Irma’s eyewall upheld by Fort Myers and Cape Coral usually before 7 p.m., producing breeze gusts of 88 and 101 mph and afterwards upheld on a west side of Port Charlotte between 8 and 9 p.m.

As a eyewall changed over Naples late Sunday afternoon, it reported sustained winds of 93 mph and a breeze to 142 mph – a strongest available from this charge in a U.S.

Josh Morgerman, a whirly chaser positioned in Naples, described a scene: “Went thru violent, mortal winds. Screaming, whiteout, disadvantage floating by in fog.” Then a ease eye changed overhead.

Before a attainment of a charge center, H2O was indeed retreating from Naples to Tampa due to offshore winds from a east pulling a sea back. But forecasters warned residents that shortly after a storm’s core upheld to a north and winds blew behind onshore, waters would rush behind in fast causing serious inundation.

In Naples, as of 7 p.m., H2O levels were about 4 feet above routinely dry land though a turn was starting to stabilise around 8 p.m. In Ft. Myers, waters levels were rising during 9 p.m., though not as dramatically as they had in Naples.

Southeast Florida

In Southeast Florida, turn bands continued to unleash tropical-storm-force winds. Even into a evening, winds were gusting adult to 60 to 75 mph around Miami and West Palm Beach (7 p.m. breeze of 75 mph), though they weren’t as clever as earlier.

In a afternoon, postulated winds in Miami and Fort Lauderdale reached 50-60 mph by a early afternoon, gusting as high as 80 to 100 mph. Miami International Airport clocked a breeze to 94 mph and an removed breeze strike 100 mph during a University of Miami.

Also during a afternoon a seas had risen several feet above routinely dry land. Social media photos and videos showed H2O pouring by Miami’s streets, in between high-rises, amid laterally sheets of rains.

Late Sunday afternoon, waters were finally starting to solemnly incline around Miami.

The Keys

While a core of a charge and misfortune winds upheld a Keys early Sunday morning, a Weather Service warned storm swell flooding was ongoing as winds on a storm’s backside shoved H2O over a islands. Gusts still reached 50 to 60 mph as of 7:45 p.m.

Early Sunday afternoon, a limit swell during Cudjoe Key was estimated during 10 feet.


About 3 million customers were though power.

Particularly in South and Central Florida, torrential sleet was falling, with widespread totals of 6 to 10 inches and pockets adult to 10 to 14 inches. Numerous peep swamp warnings had been issued.

As a storm’s turn bands walloped Central and Northern Florida, a power for tornadoes arose in a swirling air, and a Weather Service released watches and scores of warnings.

Storm warnings in outcome and approaching swell tallness and winds

Hurricane warnings cover all of Florida solely a western Panhandle, where a pleasant charge warning was in effect.

A storm-surge warning was also released for many of a Florida Peninsula (except for a tiny territory from North Miami Beach to Jupiter Inlet), and even extended adult a Georgia seashore into southern South Carolina. The Hurricane Center pronounced that this would pierce a risk of “dangerous” and “life-threatening” overflow and that a jeopardy was top along Florida’s southwest seashore and in a Florida Keys, where it pronounced a swell is approaching to be “catastrophic.”

(National Weather Service)

Because of a change in a many approaching charge lane to a west, Miami and Southeast Florida were many approaching to skip a storm’s greatly mortal core, famous as a eyewall, where winds are strongest. Even so, given of Irma’s huge size, a whole Florida Peninsula and even a Panhandle were approaching to declare deleterious winds. The National Hurricane Center warned that a charge would pierce “life-threatening breeze impacts to many of a state.”

European indication make-believe of limit winds gusts each 6 hours Sunday to Monday from Hurricane Irma. (

Effects on Florida

Conditions will continue to mellow Sunday night over Florida in a executive and north partial of a state as Irma chugs adult a coast. Conditions will solemnly urge to a south.

Through around midnight, Sarasota and Tampa would face a storm’s brunt.

Here’s a beam to what is many approaching and where …

Key West/Key Largo

Time support for misfortune conditions: Through Sunday afternoon.

Hazard threats: Wind, charge swell and rain.

Wind gusts of adult to 50 to 70 mph should continue into a evening.

A catastrophic charge swell of 5 to 10 feet or some-more is approaching to swamp many of a island chain. Heavy sleet will supplement to a H2O issues, as anywhere from 5 to 10 inches of additional sleet will tumble before a misfortune of a charge is over. Unfortunately, a repairs power on a Keys could be landscape-altering after holding a approach strike from this storm.

Miami/Fort Lauderdale/West Palm Beach

Time support for misfortune conditions: Through Sunday night.

Hazard threats: Strong winds, tornadoes, complicated rain.

Sustained winds of 45 to 70 mph with gusts of 80-plus mph will final good into Sunday evening.

Swirling winds during all levels of a atmosphere have also increasing a chances of tornadoes building during any indicate on Sunday, generally in locations right along a water. Rainfall totals of 4 to 8 inches or some-more are approaching on Sunday alone, that might intensify localized flooding. With Irma’s last-minute lane change to a west, a charge swell won’t be as vast of a regard here as it is elsewhere, with a two- to four-foot swell approaching along many of Florida’s easterly coast.

Naples/Fort Myers/Tampa Bay/St. Petersburg

Time support for misfortune conditions: Through Monday morning.

Hazard threats: Storm swell and wind.

Irma’s ultimate end will be along a west seashore of Florida. This means a conditions will mellow fast from Naples to Tampa Bay via Sunday afternoon. However, Irma’s trail will take it together to a west seashore of Florida, gripping a whole segment engulfed in a dangerous northeast plot of a storm, where winds are strongest. Sustained whirly force winds and gusts over 100 mph should arrive in Naples Sunday afternoon and adult to 75-100 mph in St. Petersburg/Tampa Bay between 10 p.m. and midnight or so.

Hurricane force winds will make their approach adult Florida’s west coast, peaking in Naples this dusk and in a St. Petersburg/Tampa area after midnight. Via NWS

The many dangerous jeopardy for this segment will be a impassioned charge surge. Nowhere in a whole state will a storm-surge levels be aloft than along a gulf-facing coast, with charge swell totals of eight to 12 feet and locally adult to 15 feet forecast. Any coastal city from Tampa Bay south to Naples is during risk, with ancestral flooding (the likes of that haven’t been seen in this area given Hurricane Donna in 1960) melancholy thousands of people and structures.

Orlando/Central Florida 

Time support for misfortune conditions: Sunday night by Monday morning.

Hazard threats: Wind, rain, and tornadoes.

Inland areas won’t shun a effects of Irma. The charge is extremely vast in size, with tropical-storm-force winds fluctuating external over 200 miles from a center. The breeze speeds in executive Florida and a Orlando area will start to collect adult by late Sunday afternoon, with postulated winds of 40 to 60 mph and gusts of 70-plus mph durability from late Sunday night by Monday morning.

Heavy sleet will also means problems, with a ubiquitous 6 to 12-plus inches of sleet approaching by a time a charge is over. The jeopardy of tornadoes will boost by Sunday night, as well, as a storm’s core marks north along a west seashore of Florida.

Jacksonville/Daytona Beach 

Time support for misfortune conditions: Sunday dusk by Monday afternoon.

Hazard threats: Rain, tornadoes, wind.

The northeast apportionment of Florida will be spared a misfortune of Irma though won’t shun unscathed. Sustained tropical-force winds of 40 to 55 mph will overspread a area from Daytona Beach to Jacksonville by Sunday evening, with a misfortune winds (gusts adult to 70 mph) occurring overnight. Heavy sleet will be a story line here as six to 10-plus inches of sleet is approaching to tumble in a comparatively brief period.

As with other tools of a state, a whirly jeopardy will arise overnight on Sunday as Irma’s charge core marks northward.

Storm-surge values will be towering (two to 4 feet) though should outcome in usually teenager to assuage coastal flooding.

Potential effects on Georgia and a southeastern United States

Georgia/Atlanta/South Carolina

Time support for misfortune conditions: Monday morning by Tuesday morning.

Hazard threats: Wind, sleet and, during a coast, charge surge

Hurricane warnings extend good into Georgia, covering over half of a state. Parts of southern South Carolina also are underneath a whirly warning, with Irma staid to say a hurricane-force strength for several hours after landfall.

Sustained pleasant force winds of 25 to 45 mph will widespread over Georgia from south to north starting late Sunday night. The strongest postulated winds (40 to 50 mph) with gusts of 60-plus mph will pierce in on early Monday morning, durability by Monday evening. This includes Atlanta, that is underneath a tropical-storm warning, where postulated winds of 25 to 40 mph with gusts adult to 60 mph will start from about 10 p.m. Sunday night to about 5 p.m. Monday afternoon. This could lead to downed trees and outages.

Heavy sleet is also expected, with charge totals of six to 10 inches forecast, a bulk of that should tumble Monday.

Storm swell along a Georgia/South Carolina seashore will be a hazard, as well, with a Hurricane Center presaging a swell of 4 to six feet. Of sold regard is a generation of a charge surge. Persistent onshore winds will extend a swell member here, with towering H2O levels potentially durability adult to 36 hours.

Irma’s trail so far

At 3:35 p.m. Sunday, Irma had done a second U.S. landfall of a day over Marco Island, where a breeze breeze of 130 mph was reported.

Earlier, a charge strictly done a initial U.S. landfall at Cudjoe Key during 9:10 a.m. as a Category 4 hurricane. Winds over a Keys raged, gusting to during slightest 94 mph in Key West (before a breeze instrument failed) and adult to 120 mph in Big Pine Key. Witness video showed a rising charge swell flooding Key West streets.

Before a confront with a Keys, Irma done landfall on a north seashore of Cuba as a Category 5 whirly usually after 9 p.m. Friday, with limit postulated winds of 160 mph. It became that country’s initial Category 5 whirly given 1924. Fueled by a extremely comfortable sea temperatures, Irma reintensified to a limit whirly sequence turn after weakening somewhat on Friday afternoon.

As it scraped Cuba’s north seashore early Saturday, it produced a postulated breeze breeze of 118 mph, and a breeze to 159 mph was reported during Falla, Cuba, in a eyewall of a hurricane.

Irma’s eye approaches a north seashore of Cuba on Friday night. Via

On Friday, before creation landfall along Cuba’s north-central coast, Irma upheld north of Haiti and afterwards between Cuba’s northeast seashore and a Central Bahamas.

Thursday evening, a core of a charge upheld really tighten to a Turks and Caicos, producing potentially inauspicious Category 5 winds. The charge swell was of sold concern, as a H2O had a power to arise 16 to 20 feet above routinely dry land in coastal sections north of a charge center, causing impassioned inundation.

A harmful charge swell and mortal winds had also substantially smashed a southeastern Bahamas, nearby Great Inagua Island.

Through early Thursday, a charge had smashed islands from Puerto Rico to a northern Lesser Antilles.

While a core of Irma upheld usually north of Puerto Rico late Wednesday, a breeze breeze of 63 mph was clocked in San Juan early Wednesday evening, and some-more than 900,000 people were reported to be though power. In Culebra, Puerto Rico, a tiny island 17 miles easterly of a main island, a breeze breeze registered 111 mph in the afternoon.

On Wednesday afternoon, a storm’s eye had changed over Virgin Gorda in a British Virgin Islands, and a southern eyewall raked St. Thomas in a U.S. Virgin Islands.

Early Wednesday afternoon, a breeze breeze to 131 mph was clocked on Buck Island and 87 mph on St. Thomas in a U.S. Virgin Islands.

On Tuesday night and Wednesday morning, a whirly upheld directly over Barbuda and St. Martin in a northern Leeward Islands, a strongest whirly available in that segment and tied with a 1935 Florida Keys whirly as a strongest Atlantic charge to strike land.

As Barbuda took a approach hit, a continue hire there clocked a breeze breeze to 155 mph before it went offline.

The charge also upheld directly over Anguilla and St. Martin early Wednesday, causing serious damage.

Irma’s place in history

Irma’s arise power (185 mph) ranks among a strongest in available history, surpassing the likes of Katrina, Andrew and Camille — whose winds appearance during 175 mph.

Among a many heated storms on record, it trails usually Hurricane Allen in 1980, that had winds of 190 mph. It is tied for second-most heated with Hurricane Wilma in 2005, Hurricane Gilbert in 1988 and a 1935 Florida Keys hurricane.

The charge confirmed limit breeze speeds of during slightest 180 mph for 37 hours, longer than any charge on Earth on record, flitting Super Typhoon Haiyan, a prior record-holder (24 hours).

Late Tuesday, a vigour forsaken to 914 millibars (the reduce a pressure, a stronger a storm), ranking as a lowest of any charge on record outward a Caribbean and Gulf of Mexico in a Atlantic basin.

The charge has generated a many “accumulated storm energy,” a magnitude of a storm’s generation and intensity, of any whirly on record.

Irma’s landfall vigour of 929 millibars in a Florida Keys was a lowest for any U.S. landfalling whirly given Katrina (920 millibars) and for a Florida landfall given Andrew (922 millibars). It ranks as a seventh-lowest vigour of any U.S. landfalling storm.

When Irma crashed into a Keys early Sunday as a Category 4, following Hurricane Harvey’s attack in Texas, it noted the initial time on record that dual Category 4 storms had done landfall in a United States in a same year.

Capital Weather Gang whirly consultant Brian McNoldy contributed to this report. Credit to tropical-weather consultant and occasional Capital Weather Gang writer Phil Klotzbach for some of a statistics in this section.

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