Destructive Hurricane Humberto (Full Episode) | Gathering Storm | National Geographic

National Geographic| 00:44:24|Feb 26, 2026
Chapters8
Humberto builds rapidly and Bermuda starts monitoring the developing hurricane threat.

National Geographic chronicles Humberto’s impact from ship decks to Bermuda’s shores, revealing how real-time data and brave crews reshaped forecasts and responses.

Summary

National Geographic follows Humberto from its tropical beginnings off the Bahamas to Bermuda’s harrowing night of 120+ mph winds. The film spotlights how cameras among thousands of mariners captured every moment, turning chaotic seas into usable science. Viewers meet the Hurricane Hunters from the 53rd Weather Reconnaissance Squadron, who fly low altitudes to map wind fields and confirm formation of a tropical cyclone. As Humberto strengthens from a tropical depression to a category-3 threat, ships like the Somers Isles and Oleander reroute to dodge the storm, while Bermuda’s Weather Service, with forecaster Ashby Bradshaw on shift, deploys a weather balloon and live instruments to understand the winds shredding the island. The narrative also includes Bermuda’s emergency planning, port shutdowns, and the emotional toll on sailors who battle not just the storm but also the darkness and power outages. By dawn, Humberto departs, leaving behind damaged docks, tangled moorings, and a reinforced message: accurate forecasting saves lives, and resilience is built on meticulous data, rapid response, and human courage.

Key Takeaways

  • The Hurricane Hunters’ flights provide four-quadrant wind-field analysis at 500–1,000 feet, enabling timely classification of tropical cyclones.
  • Humberto strengthened from a tropical depression to a category-3 hurricane with winds near 115 mph and a widening wind field that challenged Bermuda’s defenses.
  • Bermuda’s emergency planning, including port shutdowns and shelter operations, hinges on real-time data from weather balloons and Doppler radar (even when equipment momentarily fails).
  • Ships like the Somers Isles and Oleander re-route to distance themselves from Humberto, illustrating how commercial navigation adapts to forecasted tracks.
  • The episode underscores the societal value of forecasting: improving forecast accuracy by roughly 25% can meaningfully reduce risk and save lives.
  • Crisis moments on Bermuda show the fragility of coastal infrastructure—cranes, moorings, and power grids—that can be overwhelmed by high-end hurricane forces.

Who Is This For?

Essential viewing for maritime professionals, meteorology enthusiasts, and emergency planners who want a visceral, data-backed look at how modern storms are tracked and managed in real time.

Notable Quotes

"We are dependent upon Mother Nature."
Jay Mullins emphasizes the crew’s reliance on natural conditions as they head back to sea.
"The weather is coming, we’ve got to make sure everything’s tied down up here."
Crew on deck secures gear in anticipation of worsening conditions.
"We’re either gonna reaffirm what they’ve already put out or it could possibly change."
Cross explains how Hurricane Hunters assess evolving forecasts in real time.
"The wind’s just beginning to pick up. You can actually see a few white caps on the sea there to the left."
Bermuda Weather Service witnesses the first signs Humberto will intensify.
"Our head is bloodied, but it is unbowed."
Minister Caines closes the briefing with a nod to resilience after Humberto’s impact.

Questions This Video Answers

  • How do Hurricane Hunters help forecast tropical cyclone development and track?
  • What roles do Bermuda’s emergency services play during a hurricane like Humberto?
  • Why are weather balloons sometimes essential even when Doppler radar is functioning?
  • How do ships decide when to reroute to avoid a hurricane?
  • What can we learn from Humberto about forecasting accuracy and life-saving decisions?
Hurricane HumbertoHurricane Hunters53rd Weather Reconnaissance SquadronBermuda Weather ServiceOcean forecastingMaritime navigation during hurricanesDoppler radarWeather balloonsPort and dock safety
Full Transcript
(wind) MAN: Almost done. NARRATOR: A major hurricane has shipping on the run. JAY: We got a squall coming, so we're about to have some fun. NARRATOR: Growing far larger and far stronger than predicted. NARRATOR: To leap out of the darkness... (screams). MAN: Firestorm! NARRATOR: And strike... ASHBY: Tornado? With unexpected fury. As storms hit new extremes and defy prediction... MAN: Whoa! NARRATOR: National Geographic gave cameras to more than a thousand marine workers to film wherever storms might strike, right around the globe on a scale never seen before. This is what came back from our cameras in the path of Hurricane Humberto. (thunder and lightning) DANNY: Hey, Mac, can you get in and slack out that rope? MAC: You got six foot. DANNY: See you guys. NARRATOR: In the Gulf of Mexico, Danny Fidler of fishing boat, Daytona, is heading out to sea with one of our cameras. DANNY: This is uh, we're heading out the pass and the channel of Panama City, St Andrew's Bay. Headed out to go fishing. We've got about a 200 mile run ahead of us. Now the seas are picking up a little bit, as we exit into the Gulf. Sunny though, but we are in an area where we could be hitting the hurricanes at any time. JAY: The last thing I watched last night was the Weather Channel. First thing I flipped on this morning was the Weather Channel. And I'm sure when I go home, I'll look at it again and try not to get too preoccupied with the damn Weather Channel. This is our job. This is what we do. We are dependent upon Mother Nature. NARRATOR: Fishing fleets across the southern U.S. have been sheltering in port since category five hurricane Dorian devastated the Bahamas and swept up the eastern seaboard. Captain, Jay Mullins of the fishing boat Blackjack II out of Fort Myers, Florida, is finally able to put to sea again and start earning money. JAY: We're hoping we get 12 days of this weather right here. But, it is what it is, you know? Unless a hurricane comes, we're here. We're a big enough boat to stay through whatever weather comes. MAN: It's our first day, picking up our first set. NARRATOR: The good weather is holding for the Blackjack II. The crew are making the most of the sunshine while they can. JAY: We're gonna target grouper as we always do. Bottom fishing. Bottom fish are very subject to pressure. On a falling barometer, the fish shut off, where the barometer's rising is good. I think fish are like human beings. They like it sunny and 75 all the time. I mean, I don't like the rain, do you? NARRATOR: Clear skies mean the full force of the summer sun on the ocean. Sea surface temperatures in the Gulf of Mexico and Western Atlantic have hit 90 degrees. But, hot seas breed hurricanes. JAY: They say the Gulf's the hottest it's been in 100 years or something like that, that's why it's such a breeding ground right now for storms. Another storm is expected... The only question is when. DANNY: Yep, swordfish. Nice one. Be careful. We're getting in our last section, first set of the trip. We have 568 hooks out and we had a fair day of fishing. We had eight tunas and six swordfish. The weather has deteriorated a little more today. We've actually got a tropical wave moving across the Atlantic, across the Bahamas, they predict it could intensify and increase in strength and possibly become a tropical storm. It is supposed to cross over the peninsula of Florida into the Gulf. Hopefully, it will not as we're about right here. NARRATOR: The tropics are stirring again. An ominous new low-pressure system located off the Bahamas is creeping slowly westward towards Florida. MAN: Getting a little rough. It's about to get rainy, ain't it, cap? JAY: Looks like it. MAN: Time to go secure the deck. We've got some weather coming, got to make sure everything's tied down up here. NARRATOR: All eyes are now on this system, watching to see what it will do. NARRATOR: Ships in the area are recording extensive cloud build up and changing weather. MAN: Cool looking clouds. The wind's kinda picking up a little bit. Yeah. MAN 2: We've got some weather coming. NARRATOR: In the last 24 hours, the low pressure has intensified. At the National Hurricane Center in Miami, it's being closely watched. MIKE: We're starting to see a circulation develop. You can see the low-level cloud line starting to turn cyclonically here. With these developing disturbances, we don't have as good a handle on the track because the center hasn't really formed yet. It can kind of jump around. This is the time to task an aircraft to go out and fly into the system. (phone ringing) CROSS: Operation technical, Cross. Positive launch? Okay, copy that. I'll alert them right now, thanks. NARRATOR: The call goes out to Biloxi, Mississippi, and the United States Air Force Reserve 53rd Weather Reconnaissance Squadron. CROSS: Time to launch a crew, Teal seven one. NARRATOR: Also known as the "Hurricane Hunters". Their job is to provide the data needed to assess the new threat rising off the Atlantic. CROSS: This is a tropical disturbance. They're not taking anything lightly down in that area right now and so that's what our job is today. To investigate that area of low pressure to see if it's going to develop into something much stronger. Operations Director is Lieutenant Colonel, Sean Cross. Flying the mission, one of his most experienced pilots. CROSS: Hey, Dena, it's Cross. You're alerted. NARRATOR: Lieutenant Colonel, Dena Williams. WILLIAMS: We are good to go. Alright, mission purpose. We're gonna go out and fly this. Gonna be Teal seven one today. Weather, to you. WOMAN: Yes ma'am. Right now, it's still moving at 290 at seven knots. The strongest, weakest quadrants, lightning, and turbulence, just looking at satellite, looks like the north-western quadrant will be the trickiest point. NARRATOR: This is a low-level mission flying just above the ocean surface allowing Teal seven-one to see what satellites can't. CROSS: We take that low level area and break it up into four quadrants. We're gonna fly around in each one of those four quadrants at an altitude of about 500 feet to 1,000 feet above the surface. While flying in each one of those quadrants, we're looking to see what the wind field is doing. If we get those counterclockwise winds in then we have the birth of a storm. (radio chatter) You know, we're trained as pilots to avoid weather at all costs. PILOT (over radio): Clear for take-off. Check is complete. CROSS: But, here in the 53rd, we throw the rule book out the window and we fly right into what I call the most intense weather that Mother Nature has created. And take off from (inaudible) hangar. Gears up, flaps are up. CROSS: We're either gonna reaffirm what they've already put out or it could possibly change. It could possibly diminish. Hopefully for everybody out there, we're gonna go out there and we don't find anything, and this system is gonna completely fall apart and our job will be done. RON: Low-pressure building by the Bahamas. They don't know if it's gonna go turn and go into the Gulf or turn and come up the east coast of Florida. They're not sure yet. But expecting tropical weather by the end of the weekend here. NARRATOR: Ships all around the southern U.S. are already thinking about plans to avoid the storm. Shrimper, Sea King has one of our cameras. RON: A little bit of weather, 20-30 mile an hour winds. It stirs the ocean up. Would be good for the shrimping. Boat is ready, crew is ready. ROB: The hurricane center gives this a high chance for the next two to even five days. Hurricane Hunters are headed out there right now, they're almost there and they're gonna sample all around the system looking for that closed circulation. CROSS: This is the satellite up-link that we have with the aircraft. You can see right here, here's home base right here. They left here earlier this morning and they're down in this area right now flying around. NARRATOR: After three hours airborne, flight Teal seven one has reached its target and enters the storm. CROSS: I don't know what his altitude is. I can't tell off of this. Just one second, so, let's see. MAN (over computer): Incoming message. CROSS: We've messaged the north-west and the south-east quadrants circulation. So, that means 50/50 because he only has circulation in two quadrants of the four. Right now we've got counter clockwise winds going this way here and then this way here. So, what he's gotta do if find these other two quadrants and see if he's got those counterclockwise winds. If he does, it's just a big circle of wind. If he gets that, well then that's a little more concerning cause now we have a tropical system that's building. ♪ ♪ JAY: Are you ready to do tonight's haul, Michael? MICHAEL: Oh, I'm ready, boss. JAY: We're trying to fish veins that ain't but as wide as this boat. But, we got a squall coming, so we're about to have some fun. NARRATOR: Off the southern tip of Florida, the weather is starting to turn, causing big problems for the crew of the Black Jack. NARRATOR: Thunderstorms are blowing up suggesting the low-pressure system near the Bahamas may be building. JAY: We can't catch a fish right now. This is me frustrated because nothing is going right. NARRATOR: At the National Hurricane Center, the data from the aircraft is confirming their fears. The system has formed a cyclone and it's quickly growing. MIKE: The Air Force plane was able to go out there and close off a closed circulation in the low level, so that tells us that the system has gone on and become a tropical cyclone. NARRATOR: The sustained wind speed inside the system has now broken the 40 mile per hour threshold, making this officially a tropical storm. DAN: Let's go right over to Rob, who's tracking the impact at the Bahamas, he's also looking at what this storm could bring to the US. Rob, good morning to you. ROB: Good morning, Dan. The National Hurricane Center baptizing Tropical Depression number nine to become Humberto with 40 mile an hour winds right now. Centered about 70 miles east of Great Abaco island. NARRATOR: Newly named Humberto gives an early indication of its unpredictable nature. As a result of the new data, its projected path has not drastically changed. MIKE: The storm has become moving northward. The tropical storm force winds that you can see here offshore of Florida and now expecting a west-north, westward motion, approaching the coast of Florida as a tropical storm. NARRATOR: The USA's eastern seaboard is one of the most storm vulnerable coastlines in the world. Over 100 different hurricanes have impacted here in the last 50 years. The Gulf of Mexico is off the hook, but ship crews from Miami to Jacksonville are now scrambling to plan escape routes. JOHNNY (over radio): Port Manatee, come in. LOUIS: Time to pull back, Johnny. The tropical depression is turning to tropical storm. It's actually aiming right here to Port Canaveral. If it becomes a hurricane, the port may issue a mandatory evacuation. We got to get out of here. Go back to the canal and hope for the best. KOROVIN: The vessel will depart today at 1700 and we will proceed to Bermuda. And we expect inbound bad weather. Sorry. Some job. Bridge, captain. In ten, 15 minutes. NARRATOR: In the port of Fernandina Beach, Vladimir Korovin, captain of the container ship, Somers Isles is quickly re-planning his next few days. KOROVIN: We are constantly check the weather condition. We are receiving the weather reports. It's always changing. NARRATOR: The 4000 ton Somers Isles carries cargo on a back and forth route between Florida and the port of Hamilton in Bermuda. Humberto is bearing down on them fast. Captain Vlad needs to get out ahead of it. KOROVIN: The vessel is prepared, the crew is prepared. We are ready for rough seas. (boat horn blares) NARRATOR: As the Somers Isles leaves Fernandina Beach, Humberto is 500 miles to the southeast moving slowly towards Florida where shrimper Sea King is still at sea. RON: Guys trying to get the tarp put up for the weather coming. Tomorrow, east, north-east, 15 to 20 increasing to 20, 25 with gusts of 35. Six to nine foot seas. I believe I'll be going home and let the low pressure come by and go. It's not just me, I have crew men, I even have my dog come. NARRATOR: The deepening low pressure is drawing in air from all around causing pockets of thunderstorms to spring up with little warning. RON: There's Dwayne over there texting his mother. He's worried. Hurricane's coming. Got one over. Ah, it just cooled down ten degrees, you feel that? Yeah. Almost to us now. KOROVIN: We depart yesterday evening from Fernandina Beach. We're faced with some strong winds and waves against us. Somewhere behind us is Humberto. NARRATOR: Overnight, Humberto's slow turn northward has become a tight arc, missing the east coast and heading back out to sea on the tail of the Somers Isles. NARRATOR: All Captain Vlad can do is try to maintain his distance ahead of the storm. But, as it turns to sea, it intensifies. Winds have reached 75 miles per hour. Humberto is now a category one hurricane. CROSS: Okay, so where are we at here? What do we have? SOLDIER: Chappie's gonna come off today. Dena Williams has called in and said she can fly it. CROSS: Okay, perfect. SOLDIER: Yep. CROSS: Alright. NARRATOR: In Mississippi, the Hurricane Hunters are on round the clock deployments. CROSS: We have to be able to sustain flight operations 24/7 until the National Hurricane Center says, "You guys are done. You can go home." (inaudible) clear back. You're still clear back. Going for brakes. CROSS: After four or five weeks straight, you get kind of worn out. But, we're increasing the forecast accuracy by 25 percent where a hurricane may make landfall. Bottom line, it does save lives. Teal seven one, push to tower when you're ready. CROSS: That's our job. That's what we do. Nine seven. ROB: And strengthening actually, the latest fact from the Hurricane Center has winds at 85 miles per hour, moving north east at five, expecting it to become a category two storm later today or tomorrow and it very close to being a category three storm by the time we get to Wednesday as it heads closer to Bermuda then a big turn up to the north. NARRATOR: Bermuda is a group of islands in the middle of the Atlantic, 650 miles from the U.S. and they're now directly in the firing line. Bermuda's 72,000 residents rely on supplies arriving by sea. If hurricane Humberto strikes here, they could become completely cut off. ERIC: We supply the island with food, cars you drive, the buses you ride on. Everything basically. NARRATOR: Container ships and the cargo dock are a lifeline for the islanders. ERIC: If ships didn't come for two weeks, the island will starve. That's the bottom line. NARRATOR: The cargo ship, Oleander is carrying one of our cameras. It runs containers carrying anything from fruit and water to cars and coaches from Newark, New Jersey to Bermuda. No ships can stay here through a hurricane. A loose vessel could wreck the port and cut Bermuda's vital supply line. JACEK: I can show you our weather forecast. Captain Jacek's only option is to steer the Oleander across the path of Humberto. But, if the storm intensifies, he could find himself too close for comfort. JACEK: Humberto is approaching Bermuda. Here we have the Bermuda, our present position. Here is the vessel track and our destination, New Jersey. So, you can clearly see we expect some strong winds. NARRATOR: Loading of the Oleander is complete and the ship can depart. As the Oleander exits Hamilton port, the Somers Isles is just arriving. KOROVIN: Captain speaking. We are approaching Hamilton, Bermuda. The Somers Isles will be the last ship allowed to enter the port before they start their shut down procedures. ERIC: All these trucks and stuff you see right here will be packed away. All the equipment that could fly has to be packed away or tied down. We don't have to worry about this crane moving anywhere of course, cause it's heavy. The pressure is now on the crew of the Somers Isles and the dock workers to get the ship turned around. ERIC: These containers here are the Somers Isles containers. So, we have to load all these back before the ship actually sales because we don't want these containers on a dock. Cause a major problem, they're up high and the less containers we have the better off we are. NARRATOR: On the bridge of the Somers Isles, it's now Captain's Vlad's turn to plan his escape route out of the path of Humberto. This is our normal route from Bermuda to Florida, Fernandina Beach. Because of the hurricane, this Humberto coming in this direction. (alarm) Alarm. This is alarm sounding. It's updated information about Humberto. DA COSTA: Okay... NARRATOR: Roger Da Costa, a solo operating tuna fisherman. NARRATOR: Is 20 miles off the coast of Bermuda. DA COSTA: Whoa! NARRATOR: He is one of hundreds of fishermen carrying our cameras. DA COSTA: Not bad. NARRATOR: Throughout hurricane season, more than a thousand men and women working in marine environments were filming for National Geographic in the worlds stormiest seas to document tropical cyclones more closely than ever before. As hurricane Humberto bears down on the islands of Bermuda, Roger is watching the skies, judging the right moment to head for home. DA COSTA: I can see it on the phone; you can see it moving right in on us and it's not looking good. NARRATOR: Roger ties his boat up in a narrow inlet to the west of the main island. When a hurricane threatens, the boats in this bay will double up their mooring ropes, giving them greater stability in the storm. The fishermen on Bermuda are cautious. They've been hit before. DA COSTA: One I was really scared in, Fabian, I think it gusted to 165 miles an hour. NARRATOR: Category three hurricane Fabian struck the islands in September 2003, doing 300 million dollars worth of damage. DA COSTA: Fabian was serious. Very serious. I had never heard the wind scream, make a noise like that ever. The damage was unbelievable. What I fear is the hurricanes may get stronger we may face something even stronger than Fabian and that's gonna be catastrophic, I think. DODGSON: And so I'm James Dodgson and I'm the director of Bermuda Weather Service and we've just had a call with the National Hurricane Center in Miami discussing hurricane Humberto, which you can see on the imagery behind me. Quite a significant system. NARRATOR: Bermuda Weather Service is tasked with providing the islanders and the government with all available information on approaching hurricanes. DODGSON: I'm heading to an update breifing to the emergency measures organization. Humberto now a major cat three, that's 100 knots so that's 115 miles an hour sustained. The wind's just beginning to pick up. You can actually see a few little white caps on the sea there to the left. At the port, the Somers Isles has finished loading. Instead of heading east directly to the US, they will now sail due south hoping to put as much distance between them and Humberto as possible. KOROVIN: The most important thing is safety of navigation, safety of the cargo and safety of the people on board. NARRATOR: The dock workers can now complete the process of securing the port. ERIC: Done our prep. We're ready for the hurricane. We don't know what's gonna happen to tell you the truth. This is all a waiting game, you know what I mean? And then when we come back the next day we just clean up the mess. DODGSON: A little bit of a walk. It's this way. In downtown Hamilton, Weather Service Director, James is due to brief Wayne Caines, Bermuda's Minister for National Security. CAINES: Good morning everyone. I believe we have more activity, so we're not going to wait. Our weather guru is here. DODGSON: Thank you, Minister. So, tropical storm force winds 34 knots or more arrived early this afternoon. Best estimate, west end of the islands around one this afternoon, continuing for a 12-hour period. CAINES: So, let's start with the beaches. Will the beaches remain closed as of 2:00 today based on the information we heard, sir? MAN: Yes. CAINES: Okay, we'll go now to buses. We in Bermuda have been through these storms before. We never know the trajectory. We never know the speed. There's nothing that you can do to prevent it so all we can do is be prepared. So, this country is powering down by seven. NARRATOR: Plans for shutting down the islands are set. CAINES: You prepare for the worst, but pray for the best. NARRATOR: Hurricane Humberto is now less than 100 miles from Bermuda. CAINES: I must implore all Bermudians to take the storm seriously, stay off the road until the all clear is given. Board up your homes, close your shutters. It is time for us to make our way home and start to prepare ourselves for hurricane Humberto. Humberto's hurricane force winds are 120 miles across. The Somers Isles carrying one of our cameras has headed south to avoid the storm, but they are encountering heavy seas. KOROVIN: Somers Isles, captain speaking. We are facing with the rough seas and high winds. We escape from hurricane Humberto. KOROVIN: As a captain, I have some experience already how to escape from the bad weather. We left Bermuda this way and then we went onto Fernandina port destination. Just think yourself one step ahead of dangerous. The cargo ship, Oleander has taken the opposite escape route to the north of the hurricane. They are also feeling the effect of its widening wind field. JACEK: Hurricane Humberto is approaching Bermuda right now. We can see hurricane Humberto and our position over here. Right now, wind is about 40 gusting to 50 knots. NARRATOR: The Oleander and the Somers Isles are nearly 400 miles apart, but neither ship has escaped Humberto's reach. The hurricane is getting bigger. NARRATOR: Hurricane Humberto is now reaching Bermuda. Tuna fisherman Roger and buddy, Joey, filming on our cameras, are racing to get to their moorings before their boat suffers serious damage. NARRATOR: A boat has been ripped loose by the wind and is caught up in the web of ropes securing Roger's boat. DA COSTA: Had the boat not got tangled, it would have pinned against all the other boats at the dock and in less than five or ten minutes you would have some very serious damage. NARRATOR: A strong gust of wind frees the loose vessel, but that leaves it drifting uncontrolled on the wind again. NARRATOR: The owner of the loose boat arrives just in time to drive it to safety. NARRATOR: Roger will now stay on his boat to keep watch through the storm. DA COSTA: I didn't expect things to happen quite that early. Things can get out of control really quickly and go from zero to ten in a heartbeat. In the dark, with the even heavier winds, that could have been a disaster. ASHBY: I have currently just gone through my shift change. The forecasters are about to go through their shift change fresh and ready for the passage of Humberto. NARRATOR: Ashby Bradshaw in her third year with the Bermuda Weather Service, has the hurricane shift. She will be filming for us as the storm unfolds. ASHBY: I can give you an update right now. Currently our two-minute winds is 49 knots coming from 200. Gusts are 71 knots. I'm going this way. NARRATOR: The outer bands of Humberto have arrived sooner than forecast. Reported wind speeds around the islands are far higher than expected. ASHBY: The current conditions at Bermuda Weather Service TXKN. ASHBY: Okay, sure. ASHBY: Right. Right, yeah. It definitely took me a little off guard at how quickly it came on once I came on shift. We were expecting the storm to be later in the evening. NARRATOR: Ashby has prepared a weather balloon to launch into the storm. Equipped with a radio transmitter, it could provide the best live data to track Humberto. ASHBY: Currently have 50 knot winds so it's debatable whether we will launch this balloon. The storm shutter has been shaking quite violently... (door rattling loudly) There you go. When the wind comes round against the storm shutters it can make the launch quite dangerous. Powerful hurricane winds are now raking the islands. HULSE: I'm standing outside my house in hurricane Humberto and as you can see it's getting real windy out there. NARRATOR: The wind speeds are exceeding all forecasts for this early in the storm. Our cameras are rolling to capture the worst of it. WALKER: The gusts are getting higher. Oh! I think it's about 50 knots of wind here! Even in the relative shelter of Roger's harbor, winds are hitting dangerous levels. DA COSTA: I hate when it hits at night. Daylight's a lot easier to deal with. You can see a gust of 100 miles an hour coming at you just by the saltwater that it's picking up. You don't see that at night at all until it hits you. WALKER: Okay, it's starting to get really dark. I think the worst is yet to come. So happy that we still have power. I just really hope it doesn't come any closer than it's meant to be because cat three would not be fun. NARRATOR: As darkness engulfs Bermuda. MONA: Alright, boys! NARRATOR: Flashes light up the night sky. Transformers blow in a series of power outages, hitting 80 percent of the island. (scream) WALKER: What a firestorm! NARRATOR: Using the backup generator, Bermuda Weather Service must stick to its task of tracking the island's biggest storm of the season. Outside the building there is complete darkness. The crescent's, the crescent's at 105. MAN: Gusts? DODGSON: Yep. DODGSON: Yeah, based on what we heard here. NARRATOR: Reports from around the island of gusts over 120 miles per hour reveal Humberto's unexpected power. A balloon launched now could help the team understand why the hurricane is hitting so much harder than expected. MAN: Here we go. ASHBY: Yeah. I was really skeptical whether it was safe to launch the weather balloon and we settled that it was important to get the most accurate data out to the public. MAN: You got it, you got it. ASHBY: So, when that balloon popped, it was crushing for a lot of us that we didn't get that data. DA COSTA: It started to gust up over 100. You feel like the whole situation's out of control. (loud bang) ASHBY: Ooh! Wow! Our window's shaking. Oh wow, okay. At the Weather Service, storm shutters are now bolted closed. The team are locked in and can't see out. ASHBY: Tensions are very high. The ceiling is actually shaking. ASHBY: Uh huh. I'm not going any closer. NARRATOR: They have to rely on instruments to tell them what's happening. ASHBY: 78 knots, 77 knots instantaneous. NARRATOR: Outside, winds are hitting 115 miles per hour and it's getting worse. MAN: Look at that, wow! Oh my god. NARRATOR: All across Bermuda, hurricane Humberto is causing havoc as cables are downed and boats are ripped from their moorings. WALKER: Oh my gosh. Oh no, no, please stop! This is right in front of our house. Our neighbor's cable is flickering. Oh there. NARRATOR: At the port, one of the two-ton containers has been lifted off the dock side and is seen drifting across the harbor. MAN: Yeah. NARRATOR: Intense winds in the eyewall of the hurricane are creating localized tornadoes. ASHBY: We are currently getting 100 knot gusts here at the Bermuda Weather Service. Our Doppler radar has gone down. The forecasters are looking for evidence of possible tornado passage just now. MAN: 96 knots, wow! ASHBY: Oh my goodness. MAN: It's something to drop pressure that much that quick. ASHBY: So, we were just like, in a tornado just now? MAN: Vortex. Holy cow. ASHBY: Tension was very high. I work with some very seasoned forecasters. For me to see them as worried and frightened as they were, that was worrying me. WOMAN: Maybe that's the worst? NARRATOR: Hearing reports of major building damage, Roger has decided to leave the boats to go check on his home. DA COSTA: You're very worried. DA COSTA: Kind of inch your way through. DA COSTA: Anticipating that something's gone wrong. DA COSTA: Once you know there's no damage, it's a relief like you can't believe. NARRATOR: The hurricane force winds are finally starting to die down. Roger's home has escaped serious damage, but the Bermuda Weather Service has been hit hard. Shortly before midnight, moves away into the Atlantic. Its eight-hour offensive on Bermuda is ending. As the sun rises, across the island residents can begin to assess the damage. WALKER: Good morning from Bermuda. Just stepping out. NARRATOR: At the docks, the team is on clear up already, eager to reopen to shipping as soon as possible. The container that was lifted clean off the dock during the night has drifted to the far end of the harbor. ERIC: It blew right off this point right here in the water and went straight down. And remember, this is blowing in the wind, so it was moving pretty fast. NARRATOR: In daylight, the damage at the is easier to see. ASHBY: We currently just have a big door into a really nice view of St George's harbor. NARRATOR: Roger and his boat survived another Bermuda hurricane. DA COSTA: It was more than I bargained for last night. We did all the preparations for a big one, but I really didn't think it was going to be that big. It got pretty scary for a couple of hours, you know? CAINES: The worst of it is behind us. We have made it through The country is getting back on its feet and the good news is there was no loss of life. From one of my favorite poems, Invictus, is "Our head is bloodied, but it is unbowed." Thank you, Bermuda. Humberto produced hurricane force winds and gales for two more days before it dissipated 600 miles south of Newfoundland. Captioned by Cotter Captioning Services.

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