New York City may soon set the record for its longest dry streak in 155 years

New York City has one of the longest sets of detailed weather records in the United States. An observation station has been continually active in Central Park since 1869, just four years after the end of the Civil War. 

That historical depth makes any all-time records a noteworthy occurrence in New York City, and we could be nearing one of those milestones in the next week or two. The city may soon set a record for its longest dry streak ever observed.

Despite two major hurricanes making landfall in the southeast, it's been an exceptionally dry few months over most of the United States. The latest update of the U.S. Drought Monitor tells the tale: 77 percent of the U.S. is abnormally dry or mired in some level of drought, including a large portion of the Mid-Atlantic states.

We haven't seen measurable precipitation at New York's Central Park since September 29th.

Every day since then has been dry as a bone—and the forecast doesn't have much hope for measurable rain in the next five to seven days. 

This is quickly turning into one of the city's driest spells on record. The period from September 29 through October 21 made for 22 days without a drop of rain falling in the gauge. The ongoing dry spell will rapidly start ticking up this chart as the arid days wear on.

If current forecasts hold, we're likely going to secure the #2 spot before Halloween. Toppling the all-time record of 36 consecutive dry days is a tall order.

Why so long without rain? Persistent ridges of high pressure building over the Northeast have deflected rainmaking systems to the north and south, preventing precipitation from ever reaching New York City. This familiar pattern will likely continue for at least the next seven days. 

[Satellite: NOAA]

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Dangerous, historic Hurricane Milton will grow before hitting Florida

Hurricane Milton continues to grow in size as it heads toward landfall on Florida's west coast during the latter half of the day on Wednesday.

The storm explosively intensified into a scale-topping Category 5 storm on Monday, becoming the fifth-most intense storm ever measured in the Atlantic basin in terms of minimum central air pressure.

A reconnaissance flight into the storm on Monday evening found that its pressure had dropped to 897 mb shortly before 8:00 p.m. EDT, which is lower than every Atlantic hurricane ever observed except for just four others.

The storm has since undergone an eyewall replacement cycle, a process through which a newer, larger eye forms and replaces the old one. Hurricanes tend to both weaken and grow in size during an eyewall replacement cycle. 

A favorable environment and very warm waters have allowed Milton to restrengthen a bit on Tuesday. Forecasters found that the storm had maximum winds of 155 mph on Tuesday afternoon.

Milton is expected to grow in size before slamming into Florida's west-central coast as a major hurricane on Wednesday evening.

Despite the storm's maximum winds decreasing slightly before landfall, this will remain a large and powerful storm and its destructive storm surge is essentially baked in at this point.

A wide swath of the Florida peninsula is under a hurricane warning, including Tampa, Orlando, Daytona Beach, and Fort Myers. Damaging winds will spread far inland as Milton makes landfall. Long-lasting power outages are likely, especially in areas that experience the eyewall.

While damaging winds, flooding rains, and a risk for tornadoes will extend far away from the center of the storm and affect most of Florida, the precise track of the eye will make all the difference where the very worst storm surge occurs.

A track over or just north of Tampa Bay would expose the region to a storm surge not seen in living memory. A track just south would push the worst surge toward Charlotte Harbor and the Caloosahatchee River. It's a matter of a few miles in either direction.

Please heed evacuation orders if you're told to go. Time is running out. 

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Milton, a now-historic Category 5 hurricane, poses grave danger to Florida

Hurricane Milton explosively intensified into a scale-topping Category 5 storm during the day on Monday, strengthening at a rate only seen a handful of times since modern technology made real-time hurricane tracking possible.

Milton will threaten Florida as a major hurricane on Wednesday, posing a grave risk for destructive winds, a life-threatening storm surge, flooding rains, and the potential for tornadoes over much of the state.

Near-Historic Intensification

It's hard to convey the severity and magnitude of what Hurricane Milton has managed to accomplish in such a short period of time.

The storm's winds intensified from 90 mph to 175 mph over the course of 12 hours between 1:00 a.m. CDT and 1:00 p.m. CDT on Monday. Hurricane Milton's minimum central pressure plummeted from 975 mb to 911 mb over the same time period—a rate of explosive intensification rivaled only by a few storms in modern history, including Wilma back in 2005.

Milton is now one of the strongest hurricanes ever recorded in the Atlantic basin, which is no small feat given that we're in October. Milton is the strongest storm we've ever seen in the Gulf of Mexico this late in the year, according to hurricane expert Philip Klotzbach. 

Multiple factors contributed to the storm's near-unprecedented strengthening session. Sea surface temperatures across the Gulf of Mexico are extremely warm, running 88°F or warmer throughout much of the region where Milton is currently tracking.

The storm has a very small core. Hurricane force winds only extend 30 miles from the center of the storm. Think of a figure skater pulling her arms in to spin faster—small hurricanes can efficiently translate their deep minimum air pressure into ferocious winds.

A subtropical jet stream north of Hurricane Milton is likely aiding the storm's robust intensification. Hurricanes lift a massive amount of air into the upper atmosphere. That cooler air needs to vent out and away from the storm in order for it to thrive. These strong winds north of Milton are likely helping to exhaust some of that air away from the core of the hurricane.

While the storm is likely near its peak strength today, it's worth noting that "weakening" is a relative term when it comes to a major hurricane aiming for land. This is likely to remain a very intense and dangerous hurricane as it approaches landfall in Florida over the next 48 hours.

The latest forecast from the National Hurricane Center puts Milton's intense core into the Tampa Bay area on Wednesday evening as a major hurricane with 125 mph winds. Small changes in the storm's intensity and track are likely as the storm gets closer to land. A few miles to the north or the south will make all the difference for the storm surge that gets shoved into Tampa Bay.

Storm Surge and Destructive Winds

Widespread wind damage will accompany the hurricane ashore and spread across the Florida Peninsula. Communities near the point of landfall will likely experience a period of sustained winds in excess of 100 mph with higher gusts. Hurricane force winds are likely across Florida along the track of the storm.

Structural damage, downed trees, and long-lasting power outages are expected near the point of landfall, inland toward the Orlando metro area, and even toward Florida's eastern seaboard. 

A life-threatening storm surge is all but assured given Hurricane Milton's current intensity and the fact that forecasters expect the storm to grow in size as it approaches Florida.

Florida's western coast is extremely vulnerable to storm surge. Tampa Bay, Charlotte Harbor, and the Caloosahatchee River will amplify any surge that arrives in the region, posing a significant threat to neighborhoods within a few dozen feet of sea level.

The latest guidance from the National Hurricane Center calls for a potential storm surge of 10-15 feet above ground level across much of west-central Florida's coast if the storm surge coincides with high tide. This includes Tampa and St. Petersburg. 6-10 feet of surge possible farther south toward Cape Coral, Fort Myers, and other seaside communities throughout the region. 

Storm surge is seawater pushed inland by a hurricane's strong and intense winds. This much surge is unsurvivable; it's more than enough to completely submerge and likely wash away well-built structures.

This has the potential to be the worst storm surge ever observed in this region. We haven't had a major hurricane hit Tampa Bay since 1921. For context, Hurricane Charley pushed an estimated 6-7 foot storm surge into Sanibel Island back in August 2004.

Flooding Rains

Heavy rain is ongoing across Florida as a surge of tropical moisture ahead of Milton interacts with a stationary front parked across the state. This setup has already produced several inches of rain across much of Florida since the beginning of the weekend.

Additional rainfall totals of 4-8 inches are expected through the end of the week as Milton hammers the state through Thursday. The heaviest amounts are likely along and to the north of Milton's track.

Nearly half of all deaths in landfalling hurricanes are the result of flooding rains. Never try to drive across a flooded roadway. It's impossible to tell how deep the water is until it's too late, and the road may have washed away beneath the water.

Tornado Risk

Tornadoes are a risk in any landfalling tropical system. The risk for tornadoes will grow throughout southern and central Florida as Hurricane Milton's rainbands begin sweeping over the state on Tuesday and when the storm makes landfall on Wednesday.

Stay alert for tornado warnings and have a plan to act quickly if a warning is issued for your area. Tropical tornadoes happen quickly and with reduced tornado warning lead time.

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Milton to hit Florida as a major hurricane on Wednesday

Here we go again. Hurricane Milton is quickly gathering strength over the Gulf of Mexico as it heads east toward Florida over the next few days.

Milton's strange track will take it east over the length of the warm Gulf of Mexico. Favorable conditions will help the storm take advantage of that warm water and force periods of rapid intensification over the next 48 hours. 

The National Hurricane Center expects the storm to rapidly intensify into a major hurricane by Monday, possibly peaking Tuesday as a Category 4 storm with 145 mph winds as it picks up speed toward Florida's western coast.

Forecasters expect that Hurricane Milton will make landfall somewhere on Florida's west-central coast as a major hurricane during the day Wednesday. The precise landfall location is still up in the air a few days out, but this will be a large and growing storm with wide-reaching impacts by the time it makes landfall.

A life-threatening storm surge is likely along the coast, mainly south of the point of landfall. Depending on where Milton makes landfall, this could lead to devastating coastal flooding for some areas. Anyone around Tampa Bay, Charlotte Harbor, or the Caloosahatchee River should heed evacuation orders if and when they're issued.

Widespread flash flooding is possible throughout Florida as heavy rain pounds the state over the next few days even before Milton arrives. 5-8+ inches of rain will fall across Florida through the end of the week, with the highest totals expected in southern Florida and through the center of the state along Milton's expected track.

Remember, never try to drive across a flooded roadway. It's impossible to tell how deep the water is until it's too late, and the road may not be there anymore beneath the waters. It only takes a few inches of moving water to lift up a vehicle and carry it away.

It's been a long time since the Tampa Bay area has faced a direct threat like this. While many storms have grazed the region in the past few decades, the last hurricane to strike Tampa Bay directly was back in 1946. 

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Helene's Floods: When catastrophe comes to pass

Western North Carolina and eastern Tennessee are reeling this week from the onslaught of historic floods associated with Hurricane Helene.

Entire neighborhoods washed away in the immense flooding. Major highways are severed. Dozens, if not hundreds, of roads no longer exist. Public utilities like water, electricity, and phone services are hanging by a thread if they're connected at all. The death toll, which just climbed above 100 as of this post, will almost certainly rise higher as officials finally make their way into the hardest-hit communities. 

By all accounts, this is the new flood of record for western North Carolina. The previous benchmark event was the Great Flood of 1916, the result of two tropical storms that hit the region one after the other. 

Hurricane Helene's rains were also a one-two punch that overwhelmed the region with more water than it could handle. I wrote more about it for The Weather Network over the weekend.

A predecessor rain event (PRE) brought 8-10+ inches of rain in the days before Hurricane Helene ever made landfall. Saturated soils and swollen waterways were already a major problem by the time Helene's core reached the region, dropping the final push of torrential rains that turned a dangerous situation into pure chaos. 

It was a well-predicted fiasco. The words "catastrophic," "devastating," and "life-threatening" filled the forecasts for days before the floods.

The southern Blue Ridge remains under a high risk for excessive rainfall through Friday, which signals extreme confidence among meteorologists that major flash flooding will occur throughout the region. Flash flooding is possible across areas that may not typically flood. Landslides and road washouts are likely in vulnerable areas. 

It doesn't matter how accurate the forecasts were. Flash flood warnings were timely and plentiful. Meteorologists used phrases like "flash flood emergency" to convey the severity of the situation.

But it's impossible to adequately prepare for 30 inches of rain. You can do everything right—have a plan, buy insurance, monitor the forecasts, heed alerts—and still nothing can prepare you for the aftermath of nearly a year's worth of rain falling in a couple of days.

There are natural catastrophes, and then there are catastrophes made even worse by human failures. Last week's flooding raised comparisons to Hurricane Katrina, the flooding from which killed more than one thousand people. This is not Katrina because Katrina's aftermath was made far worse by a cascade of human failures. Human-made levees failed. The response was slow and botched to a shameful extent. Katrina was a natural catastrophe that coincided with a societal catastrophe.

The flooding that devastated dozens of communities throughout the southern Appalachians was a natural catastrophe through and through. No amount of planning or preparation can contain the runoff from a year's worth of rain falling in mere days. Streams turned to rivers, rivers turned to oceans, and the valleys bore the brunt of nature's impersonal destruction.

Anger is fresh in the wake of a calamitous storm. People want to blame something, someone, anyone, anything, for the havoc that befell a vast swath of our fellow Americans. There's lots of anger aimed at state and federal officials for the seemingly slow response to communities no longer connected to the outside world.

Some of that anger is righteous, but much of it is contrived by outsiders looking to score points off the dripping ruins of their neighbors in need.

Bridges washed out and ravines carved into the earth where roads once existed. How are supplies supposed to instantly hustle into towns now severed from society? Helicopters need somewhere safe to land and rubble-strewn communities are nestled on rugged terrain in tree-lined valleys. Air drops require coordination with people on the ground—people who can't easily drive to where their help is needed the most, and where communication links are tenuous at best.

It's going to be days and possibly weeks before the full scope of Helene's human toll is known to the outside world. Recovery will be measured in months and years. Some residents are almost certainly never going to return; some communities will never rebuild to the way they were before the rain started.

We can shout accurate forecasts from the rooftops. Adequate warnings can make phones sing like slot machines. But when catastrophe comes to pass—a true, generational catastrophe—there's little even our modern conveniences can do to stave off heartbreaking levels of devastation. 

[Images: Civil Air Patrol | NCDOT]

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Hurricane Helene will bring extensive inland flash flooding, power outages

Hurricane Helene remains on track to bring widespread and significant flash flooding and wind damage to large swath of the southeastern United States over the next couple of days.

The storm is intensifying as expected as it enters the southern Gulf of Mexico. A sharp upper-level trough digging over the southern U.S. is picking up the storm and forcing it to turn north-northeast and accelerate toward the Florida Panhandle.

• 100+ mph winds will hit the Florida Panhandle as Helene makes landfall, with long-lasting power outages and a life-threatening storm surge across the region
• Damaging winds will push toward Atlanta, Greenville, and Charlotte, with a threat for widespread power outages
• Extensive flooding rains will continue into Friday, especially through northern Georgia, upstate South Carolina, and western North Carolina
• Tornadoes are possible in the storm's outer rainbands through Friday

Here's the latest on the storm and its predicted impacts.

Helene Strengthening

Helene is quickly strengthening as it encounters a very favorable environment around the storm. Sea surface temperatures in the southern Gulf of Mexico are on the order of 88-90°F. That upper-level trough is also helping to vent air up and away from the storm; this kind of efficient outflow can help storms thrive.

It can't be overstated that this is a large hurricane. Helene's minimum central pressure is 978 mb, which is very low for a hurricane of this strength. Storms can translate some of that energy into growing their size—exactly what Helene is doing now. 

As of 5:00 p.m. EDT on Wednesday, tropical storm force winds extended 345 miles from the center of the storm. This broad size will continue to grow and exacerbate the storm's impacts across the southeast as it pushes inland through the end of the week.

Landfall on Thursday Evening

Forecasters with the National Hurricane Center continue to expect Helene to strengthen into a major category four hurricane as it powers toward the Florida Panhandle over the next 24 hours, where the storm will likely make landfall on Thursday evening. A life-threatening storm surge of 15-20 feet is possible across Florida's Big Bend if the storm arrives at high tide—an exceptional potential that's due both to the storm's intensity and sheer size.

Sustained winds of 100+ mph will buffet a large swath of the Florida Panhandle as Helene's eyewall pushes ashore. These winds could bring significant structural, tree, and power line damage to the Tallahassee area. Communities affected by the eyewall could go a week or longer without electricity.

Major Inland Wind Impacts Expected

From there, the large storm will push into Georgia and the western Carolinas overnight Thursday and into the day Friday.

Helene's enormity and swift forward speed will prevent the storm from quickly weakening after it makes landfall. Sustained winds of 75+ mph are likely well into southern Georgia, where hurricane warnings are in effect.

The system will likely remain a potent tropical storm into the day Friday as it makes its way into northern Georgia. A tropical storm warning is in effect for the cities of Atlanta, Greenville, and Charlotte ahead of Helene's arrival.

Sustained winds of 40-60 mph, with higher gusts, could bring widespread tree damage and long-lasting power outages to northern Georgia—including the Atlanta metro area—as well as upstate South Carolina and western North Carolina.

Life-Threatening Flash Flooding Likely

We'll have to deal with prolific rains on top of the threat for widespread wind damage. Heavy rain will start Wednesday night, well in advance of the storm's arrival. Significant flash flooding is likely throughout Georgia, western South Carolina, and western North Carolina for the duration of this storm, where 7-10+ inches of rain could fall through Friday.

The southern Blue Ridge remains under a high risk for excessive rainfall through Friday, which signals extreme confidence among meteorologists that major flash flooding will occur throughout the region. Flash flooding is possible across areas that may not typically flood. Landslides and road washouts are likely in vulnerable areas. 

Tornado Threat

On top of all the other hazards, we have to remain alert for the risk for tornadoes on the eastern half of the storm. Strong wind shear in the eastern half of landfalling tropical cyclones can produce a risk for tornadoes. Tropical tornadoes can happen quickly with reduced tornado warning lead time. 

The greatest risk for tornadoes on Thursday will fall across northern Florida and eastern sections of Georgia and South Carolina. We'll see the threat for tornadoes focus on North Carolina and portions of South Carolina and Virginia heading into the day Friday.

NHC Updates

The National Hurricane Center releases full forecast packages—including updated cones and wind forecasts every six hours, at 11:00 a.m./p.m. and 5:00 a.m./p.m.

When there are watches and warnings in effect, the agency also releases intermediate updates every three hours in between. These advisories provide status updates on the storm's current location and conditions, as well as any changes to watches and warnings that are in effect.

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Helene's damaging winds, flooding rain will extend hundreds of miles inland

Hurricane warnings are now in place for parts of the Gulf Coast as Tropical Storm Helene steadily marches toward the region over the next couple of days. The system could reach major hurricane strength before slamming into the Florida coast on Thursday.

Helene's dangerous weather conditions will extend hundreds of miles inland from the point of landfall, exposing a vast swath of the southeastern U.S. to dangerous winds, flooding rains, and a risk for tornadoes.

SEE ALSO: How to get accurate weather information in the era of internet junk

Current Status & Predicted Path

The storm rapidly organized into Tropical Storm Helene during the day on Tuesday as it moved over the warm waters of the western Caribbean Sea. Forecasters expect the storm to thread the needle between the Yucatan Peninsula and the western tip of Cuba over the next day, coming very close to Cancun on Wednesday.

A sharp upper-level trough over the southern U.S. will pick up the storm and force it to turn on a north-northeasterly track toward Florida's Gulf Coast. 

Things will happen quickly once Helene enters the Gulf late Wednesday.

Extremely warm waters and favorable environmental conditions should allow the storm to rapidly intensify into a major hurricane by Thursday. The latest forecast from the National Hurricane Center brings Helene into the Florida Panhandle or the state's Big Bend region as a major hurricane on Thursday evening.

This is going to be a large hurricane with a sprawling footprint as it hits the southeastern U.S. Damaging winds, storm surge flooding, freshwater flooding from heavy rain, and a threat for tornadoes will extend hundreds of miles away from the center of the storm.

Flooding Rains

Widespread flooding rains will pose the greatest threat to the most people as Helene pushes inland. A wide swath of 5-10+ inches of rain will follow the storm from Florida into the Carolinas.

This much heavy rain falling in such a short period of time will lead to significant flash flooding across vulnerable areas, and we may see flooding in areas that typically don't experience it during heavy rainfall.

Flash flooding and landslides will be a particular concern across the southern Blue Ridge as orographic lift—winds flowing up the sides of the mountains—will enhance rainfall totals across the western Carolinas and northern Georgia. Some areas may see double-digit rainfall totals by this weekend.

Please remember and spread the word: it's never safe to drive across a flooded roadway. It's impossible to tell how deep the water is until it's too late, and the road may be washed out beneath the floodwaters. It only takes a few inches of moving water to lift up a vehicle and carry it downstream.

Damaging Winds & Storm Surge Flooding

While rain will be the biggest threat from this storm, we can't ignore the looming impact of damaging winds as this soon-to-be-hurricane approaches land.

Communities near the point of landfall could see destructive sustained winds in excess of 115 mph, which will cause structural damage in addition to a massive blowdown of trees and power lines. Power outages near the point of landfall could last for weeks.

Helene's winds won't stop at the coast. Sustained winds of 70+ mph will follow the core of the storm as it pushes across the Florida Panhandle and into southern Georgia. Major tree damage and downed power lines are likely throughout cities like Tallahassee, Valdosta, Albany, and possibly even up toward Macon.

Based on the storm's current projected path, wind gusts of 40-60+ mph are possible into northern Georgia, including metro Atlanta, as well as into the western Carolinas, which may include Greenville, Spartanburg, and the Charlotte metro area. This will lead to downed trees and power outages throughout the region.

SOURCE: NHC

Helene's intense winds will push a destructive, life-threatening storm surge into the coast. Storm surge flooding could rise 10-15 feet above ground level near the point of landfall if the surge coincides with high tide. We can only hope that the worst surge inundates unpopulated areas of the swampy Florida coast.

The storm's growing size will make a storm surge of 5-8 feet possible across Florida's west coast, including the Tampa Bay area. This much storm surge flooding will easily inundate neighborhoods near the coast. Please heed all evacuation orders issued by local officials.

Tornado Risk

Tornadoes are an ever-present hazard when a tropical system rolls ashore. Strong wind shear within the storm can cause spin-up tornadoes to occur within the storm's outer rain bands. These tornadoes can happen very quickly with reduced tornado warning lead times. 

Tornadoes are most likely on the eastern side of a landfalling storm, which places the greatest risk for tornadoes across large portions of Florida and Georgia, as well as eastern sections of the Carolinas.

Make sure you've got emergency alerts activated on your phone so you can get warnings the moment they're issued for your location. These free push alerts are a proven lifesaver in the critical moments ahead of a tornado—especially when your reaction time is reduced.

NHC Updates

The National Hurricane Center releases full forecast packages—including updated cones and wind forecasts every six hours, at 11:00 a.m./p.m. and 5:00 a.m./p.m.

When there are watches and warnings in effect, the agency also releases intermediate updates every three hours in between. These advisories provide status updates on the storm's current location and conditions, as well as any changes to watches and warnings that are in effect.

Please make sure you're getting accurate information from trusted sources.

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Prepare now: A hurricane is likely in the Gulf of Mexico this week

A disturbance in the western Caribbean has a very high likelihood of rapidly intensifying into a hurricane over the next couple of days as it closes in on the Gulf Coast. 

This isn't the kind of storm we get to watch for a week and a half before anyone has to take action. This is going to be a very fast developing storm, and we could be less than 72 hours away from dangerous winds and flooding rains beginning to sweep over the southeastern United States. 

SEE ALSO: How to get accurate weather information in the era of internet junk

A Budding Hurricane Is Likely

The National Hurricane Center began issuing forecasts on soon-to-be-Helene on Monday afternoon. The agency's opening bid calls for the storm to rapidly intensify into a hurricane as it enters the Gulf of Mexico over the next 36 hours. The storm could approach major hurricane intensity by the time it makes landfall during the day on Thursday.

A complex pattern of upper-level winds over the United States will affect future-Helene's path over the next few days. The storm will start to curve northeast once it enters the Gulf of Mexico, likely taking it on a path toward the Florida Panhandle or the state's Big Bend region.

It's worth noting that everyone from Tampa to Pensacola is currently in the cone of uncertainty, which is the historical margin of error in the NHC's track forecasts.

There are several key factors that meteorologists are still struggling with right now. The biggest is that the storm hasn't actually developed yet. This disturbance is still a disorganized cluster of thunderstorms over the Caribbean. Forecasters and weather models both will have a clearer idea of the storm's future once it actually develops.

Here are a few potential scenarios we could see over the next few days.

Potential #1: Worst-Case Scenario

The worst-case scenario is that future-Helene will rapidly intensify as it approaches land, strengthening into a major hurricane before it makes landfall on Thursday.

Sea surface temperatures across the Gulf of Mexico are extremely warm, running several degrees above average for the end of September. Warm waters are like rocket fuel to a budding storm.

These warm waters and a favorable environment around the storm could allow future-Helene to rapidly intensify up through landfall on Thursday.

Potential #2: A Dangerous But Weaker Storm

A second realistic scenario is that future-Helene will struggle to get its act together. Any delay in the storm's ability to organize would be good news for coastal residents. A delayed hurricane means it's likely that a slightly weaker storm would make landfall.

We'd still see damaging winds and storm surge flooding at the coast, as well as prolific heavy rains far inland, but it wouldn't be the high-end system those steamy ocean waters are capable of supporting.

Potential #3: Best-Case Scenario

The best-case scenario is actually two different potential hiccups in the storm's future.

Some otherwise-promising disturbances never manage to get their act together. It's not out of the question that this disturbance will struggle for its entire life, reaching shore as a relatively weak and disheveled system that's more of a flood threat than a multi-faceted disaster.

A second point of failure may be Hurricane John over in the eastern Pacific Ocean. That storm is close enough to the western coast of Mexico that it could throw off upper-level wind shear that travels east over the Caribbean and southern Gulf of Mexico.

Wind shear disrupts the updrafts in thunderstorms trying to form around the center of a system. If the Pacific hurricane throws off enough wind shear—which isn't out of the question—it could be an unexpected wild card in future-Helene's ultimate development.

Prepare For Significant Impacts—Even Far Inland

Folks who live along the northern and eastern Gulf Coast should prepare for this storm's arrival no matter what happens over the next couple of days. 

Widespread flash flooding from heavy rain is likely for hundreds of miles inland across the southeastern United States after the system makes landfall later this week. Rainfall totals of 3-5+ inches are expected all the way into portions of the Midwest. Extensive heavy rain could lead to major flooding issues throughout the southern Blue Ridge region.

If the storm intensifies as expected, widespread and long-lasting power outages could follow the center of the storm inland and affect communities throughout northern Florida, eastern Alabama, and much of southern and central Georgia. Make sure you're prepared for power outages even if you're hundreds of miles away from the coast.

Tornadoes are always a concern with landfalling storms. Communities on the eastern side of the storm will be most vulnerable to spin-up tornadoes, including across Florida, Georgia, and possibly into portions of Tennessee and the Carolinas. 

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