What is Storm Surge?
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- čas přidán 2. 06. 2024
- Why coastal floods have little to do with rain and everything to do with wind.
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Most of the world’s biggest cities and about half of the global population live within 100 kilometers (60 miles) from the ocean. That’s pretty important, especially given the huge amount of land that isn’t near a coastline. We’ve talked about riverine flooding caused by intense precipitation in a previous video. But, there’s another type of flooding that has almost nothing to do with rain and almost everything to do with air.
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🌊 This is the last video in my series about flooding. Watch the rest here: czcams.com/play/PLTZM4MrZKfW-_GFGXeWYgQ5zfC29Om1Np.html
▶️ Get CuriosityStream and Nebula for just $15/year: curiositystream.com/practicalengineering
Hey have you ever tried playing City skylines?
It would be amazing seeing an engineer try to make a living city
"and let me know what you think" ... that's a shame that they aren't offering payment solutions well established in Europe.
What is the music you play just after the intro and channel name? Not the one in the description
Wait a minute! You’re on Nebula? Away I go!
Missing other options but CCs. Like Paypal 'n such.
How hard did they work on that SLOSH acronym? I would like to think an enthusiastic intern was really proud of itself for coming up with that, and got a little pat on the back.
Try the 80's storm chasing instrument called TOTO.
Oh that's the best part about creating something is getting to name it then try to justify the name. For example I use a program called "Darwin" and my extension program I'm building is going to be name "Beagle." Now the challenge is to justify the name "Beagle."
@@Najolve everything else is copyrighed. a simple and effective justification
@@Najolve
But
Everyone
Always
Gives
L-o-n-g
Extension names....! 😉✌🏼🤣
@@cavalierliberty6838 Is that why they called that device DOROTHY in the Tornado movie?
In the neighborhood I live in, we have “reality check” posts that mark out the storm surge of the historical hurricanes, it’s so mind bending to see them tower over your head and just imagine that amount of water.
how high did it get
@@rocketsmall4547 Snoop Dogg high.
@@rocketsmall4547 The high water marker for a cat 5 is about 18 feet or 6 meters, maybe higher. Even a small category 1 storm would come to your chest. A category 2 would engulf a car.
They are placed around the town at different places to sober people up who think they can ride it out, so they can gauge the exact size and weight of the dragon they are about to face.
Which country or state?
@@shoam2103 Florida, we can be a stubborn lot when it comes to Hurricanes and we often get complacent.
I gotta say mate, you bring serious educational content to this platfrom. No bs, no gags, but still very watchable and entertaining. Its a fine balance but you pull it off. Really enjoy your work. All the best.
I concur. Couldn’t have expressed it as well as you did, but, yup.
Who else wants to learn more about the Dutch delta works?
Yea
I'd love to see a video about it on this channel, but mostly because it's a source of national pride ;)
@@Leon_Schuit natuurlijk! Dat is ook mijn grootste reden. Ik ben er al geweest, dus ik begrijp er wel al vanalles can
modern nuclear energy production would be a more interesting topic to cover
@@CBielski87 Nuclear energy is the best short time solution, and with enough price lowering, long time, imo
I think the dutch delta works deserve their own video
A whole series of videos.
A delta church where we can pray for the greatness of the delta works. “Oohhhh delta works 🙏”
My initial reaction would be in agreeance, but the more I think about it, I don't think it is a good match for this channel. Let me explain why. The average length of videos on this channel are about 15 minutes and focus on a single concept with a theoretical description, a scientific experiment/demonstration/simulation and finally a discussion of possible solutions.
Discovery Channel and National Geographic have created multiple documentaries about the Delta works and many of them can be found on CZcams. Also a lot of materials are copyrighted. Showing a few seconds of the Delta works like in this video (about 15-20 seconds) is considered fair use...
I love the nerdy smile on his face when mentioning the big acrylic flume in his garage.
I just finished working on a project that dealt with storm surges and sea level rise for the next 50 years at a coastal military installation. My team and I had to draft a mitigation plan to save/relocate existing buildings/structures. Let me tell you, it's far simpler to plan for future storm surges when developing than it is to play catch up down the road. Before this project I had no idea just how destructive, and far reaching storm surges can be, but now I am baffled by the seemingly lack of planning/mitigation techniques for so many coastal areas.
Don't forget those who completely forego any plans until a storm hits. Then it's too late and the cost of damages absolutely dwarf any mitigation plans. Not necessarily talking about the pandemic here
@Albert Fels You're correct in that mass renovation, relocation, retrofitting, etc. would be incredibly expensive. Future-proofing new projects, however, is magnitudes less expensive than altering existing ones. For example planning for, and adding a few extra feet of fill to a new plot of coastal land to account for rising sea levels may cost more initially, but it pales in comparison to the costs of flood damage, permanent flood-like water levels, or having to demolish and relocate a building entirely.
The next major shakeup in urban planning is climate change. It's already starting to happen with government organizations; it's only a matter of time until private interests are involved. Some countries have already started that even.
Can you help me with mine?
Are you seriously surprised at how stupid and selfish people can be - leaving things entirely to chance and “faith”?
Hurricane/cyclone/typhoons are also very low AIR pressure. this raises sea level due to the low pressure applyign less force and thus causing the water to rise higher in the region of the storm.
Scrolled down looking for this statement.
i did wonder why he missed out that key point too.
@@familyhelpdeskhelpdesk270 Low pressure only accounts for about 5% of total storm surge.
I thought so too.
@@elduderino7725 that is a 5cm rise per metre... when a storm surge is over 10metres, then that is 50cm. Which is actually a significant amount.
I study homeland security and emergency management and storm surges are a regular topic in every class because they can be very deadly and very costly. We examine what went wrong in a community and we collaborate on what we can do to make that community safer and more resilient for residents. Great job on the vid (as usual)!
Update: I’m now studying homeland security and emergency management at the graduate level. We dig into these instances in a more comprehensive way and come up with qualitative approaches for mitigating, responding to, or recovering from risks like this.
One of my best experiences so far studying urban planning was meeting with emergency management students to collaborate on a way to help protect against storm surge in historic communities.
Thanks for fighting the good fight, man. :-)
Unfortunately, no one will do what is needed. MOVE AWAY FROM THE COAST. So I have no pity. I love the ocean, but I respect it's power. Hopefully time to go sailing soon.
Best wishes all.
@@carlthor91 It's hilarious that people willingly build on flood plains and then cry that a flood destroyed X, Y, and Z. I live next to a flood plain and it is only a few years between major flooding where the levees nearly have water running over them. All of this is due to runoff from the winter melt. This doesn't include other hazards such as ice dams.
@@carlthor91 I agree. The steady build-up and exposure of life and property to these risks is astounding. Worse, the developers and residents often don't bear the full cost of their risk, even properly insured over time. We just love the oceans.
You should do a video on large scale projects to move fresh water inland, like arizona's water project. I always wondered what it would take in terms of energy and infrastructure to take advantage of the Gulfs regular hurricane rain falls to move water to the more arid regions of texas and the south west, and it would be nice to have your expertise applied to this subject.
The Greens party would find 100 reasons to shut down a useful project like moving water, right now they are complaining about hydrogen power no pleasing them
You can’t hold back the ocean? The Dutch; hold my beer!
Give it 30 years.
@@jaredf6205 Little dark but i like it
It's more like: Hold my spices.
@@woutvansteenkiste8464 Rev up those windmills man.
Djamel Hamdia hold my hagel
Those sector-shaped storm barriers are themselves a wonder of engineering.
Well.. we have the saying: "God created the world, but the Dutch created The Netherlands." for a reason..
here's more on the barriers: en.wikipedia.org/wiki/Maeslantkering
They are so big when you visit them in person, seeing them from above next to big ships doesn't do it justice.
@@ghostindamachine thanks for the link!
We can really learn from Japan and Netherlands in the US when it comes to flood management. Especially In places like Louisiana which is going through a similar problem as the Netherlands.
Dutch engineers where used for there expertise in New Orleans. nltimes.nl/2017/08/30/new-orleans-turns-netherlands-help-dealing-floods . The problem is as always money... the delta works in the Netherlands where very expensive and took decades to finish.
@@MichelF Repairing flood damage isn't cheap either though. Way more expensive in most cases afaik.
@@woutervanr But why pay now to prevent something that'll have to be paid a bunch of terms down the line instead? 👀
@@woutervanr yep. But short-termism has been the name of the game for many decades now. (It frustrates me, too..)
And now today the water is comming from the other side and still flooded Limburg. So we are not there yet.
As someone who lives along the Texas Gulf coast and a survivor of six hurricanes... I can honestly say that the storm surge is always my greatest concern! Thanks for the interpretative video!
"Storm Surge" sounds like the name of Grady's prog rock garage band
There is an alternative rock band called "colored surge" 😄
I think that might just be nominative determinism. Like if your kid is named Bill and he becomes a collections agent.
Violent Surge
Violent urge
Storm surge (drake approve meme)
A video about the Delta works would be great!
You can't explain the Delta works in just one video. Every part of the Delta works is large enough for it's own video. But there are some very good documentations around on youtube that explains the Delta works (the becoming, the construction and the future - no, we are not done yet. We keep building better and stronger).
I was in hurricane Katrina back in '05. We sheltered in Ocean Springs, MS. I got quite the demonstration of the power of a hurricane, and the devastation of storm surge.
I remember two years ago when I started watching you and you only had about 5k followers. You've been making very high quality videos since the very start and have never lost your quality consistency.
Keep up the great videos!!
I was sad you didn't show the Maeslantkering closing
It almost never does as its in an important waterway
@@wkromhout8532 It has a test closure once a year, just before the storm season.
czcams.com/video/wetmgwicbXs/video.html
@@TreeManBen Thanks!
Lexi Yeah, we all had a little cry over that. So much sadness on youtube.
The place from 0:23 to 0:27 seconds is the ferry pier I use every day in Hung Hom, Hong Hong. In Typhoon Mangkhut in 2018 part of the low wall by the seats was ripped away by the water, the bigger tree in the middle was destroyed, and the pier had to be closed for repair. The storm surge was up to 3.38 metres (11.1 feet).
Just so you know, if you write the timestamp it redirects you to that exact moment of the video if you click It. For example, 0:20
@@CarlosGarcia-ze6rt Thanks Carlos, I have edited the comment accordingly.
Not gonna lie, I tried watching this on Nebula last night, but the buffering and random resets to the beginning of the video were unbearable. I hope they upgrade their CDN soon.
There's too many of these "Science Entertainment" streaming services at the moment. Curiosity, Magellan, Nebula, etc. I predict a consolidation soon. Not enough revenue, and thus resources, in any one of these services to take them to the service level that customers expect. The slow but steady approach is risky. If the streaming experience is unsatisfactory for too long, customer leave, compounding the problem.
I have a sub on nebula too but I still watch all the videos on here. That site still needs a lot of work.
@@hkr667 Cancel that sub, they don't deserve your money if you can't even watch anything. You can resub if they fix it.
I don't really have issues once videos load, only sometimes they do't laod at all but refreshing the site always fixes it
Sucks to hear its still that bad. I tried it a few months ago and also found it borderline unwatchable due to technical issues.
I was in Puerto Rico when category 5 hurricane María hit the island in 2017. The only word that I can use to describe the intensity of the wind and storm surge: BRUTAL!
Love the way you say "maaslandkering".
Great videos keep it up.
I chuckled when he explained the SLOSH acronym. When Category 5 (SLOSH MOMs) showed up, I lost it XD
@Odd Person like an engineer
@Odd Person imagine gatekeeping being amused
I love finding an acronym in science or engineering that proves some engineers and scientists actually have a sense of humor
@@LeeryMuscrat As shown in a HL2 mod, WTF - Waste Transfer Facility (I havent played it but I watched jolly(a youtube) play it)
@@LeeryMuscrat it’s usually the managers who remove the humour from projects 😉 (or, at least, the department head, who has one foot in management anyway)
I've done research in this field, and overall I give you an A for the clear explanation of a complex politically charged topic that affects life and property.
There are Ekman Spiral effects as well, which results in piling up water non-colinear to the wind direction (wind blowing at 0 deg True will move water 'towardsish' 45 deg true). what was shown here was moving water colinear to the air flow.
My 4th grade class and I LOVE these videos! We are studying weather in Science right now and really digging the flooding videos! Thank you, Grady!
The "Maasdijk Kering" in Maasdijk/Hoek van Holland is pretty impressive. I come to see it weekly (live nearby and have alot of freedom). It closes once a year for practice purposes but I'm yet to see that. It's quite powerful I've heard
Had a fun experience with this wind effect on Seneca Lake in NY. Took a pontoon boat out at the north end, cloudy and drizzly day, light wind and the waves were like 1ft. We went down the channel towards the lock to Cayuga since the lake was rough, and came back. Channel was nice and calm, partly sunny... When we got back to the lake a storm had blown up on the south end... The waves were now 4-5 ft from the wind blowing northward up the lake. It was a crazy ride in a little pontoon boat. Water crashing up over the front.
I know it might be too soon, but as a Texan I would love to get your opinion on the recent power outages in Texas during the winter storm. There's just so much information being thrown around and blame trying to be shrugged off it's hard to know what to believe.
Hey Gradey, Love your videos! Learned so much on your channel! keep up the great work!
Hi Grady! I love your videos and watch them every time you put out a new one. I really like how even-handed and analytical you are. You've done a bunch of videos on different kinds of transportation infrastructure in the past, which I really liked. Have you thought about doing a dedicated video for urban modes of transportation, such as bicycle, pedestrian infrastructure and transit? It would be really cool to see you dive deep into design and do analysis on cost and environmental impact of these options versus more car centric systems.
It's always a great day when I get home and see a new video from Grady. Love how to the point and informative the content is. Thank you for all your hard work.
I shouldn't be surprised you got to 1.8 M subscribers already, well deserved !
Consistent quality, viewer-friendly sponsors, the best
Videos like this make me happy to live in a concrete house many miles from the sea
Where I grew up (NE Arkansas), a concrete house would fall down due to the ground moving.
Concrete won't save you from waves.
That was very interesting, as always. Thanks for sharing this with us, Grady. I enjoyed this series.
Thanks PE, always enjoy your content.
I recently did a research project on the Maeslant barrier for my Masters degree. Cool to see it featured in one of your videos!
This channel really is a gem
I live less than 20km from the ocean but at 1100m high
So I'm not that worried about tsunamis
Nice, you can probably see ocean in the distance. Best of both worlds :)
unless its 4:20 and the wave is high lol
I live about 40km from the ocean (4km from a lake connected to the ocean) and live at -2.5m high, but there has never been a hurricane nor an earthquake above a magnitude of 4 in recorded history where I live, so I'm not that worried about any natural disaster really. It's quite nice.
So do I,
You should be terrified, though. It's your civic duty to be terrified and act accordingly, namely senselessly. I'm telling you, you are NOT safe!
I love your channel so much! It's so educational, yet entertaining too
Although the Great Lakes area does not see hurricanes we nonetheless experience water surging onshore during sustained periods of high winds from a particular direction. They are called Meteotsunamis.
It's when steady winds push water towards one side of the lake. Both eastern and western coastlines in Michigan are vulnerable to flooding from sustained wind events. This past year has been a particularly brutal one for such flooding events. Michigan homes from the shores of Lake Sinclair southward to Toledo have been hit multiple times with wind induced lakewater intrusion.
Beach erosion has accelerated especially on the western coast of Michigan. One entire small town near Traverse City is considering moving further inland because beach erosion is so bad!
Very true. Lake Erie is especially susceptible to storm surge because she is surprisingly shallow (210 ft at the deepest point).
@@guardrailbiter as someone who spends a lot of time near Lake Superior, that is very suprising! I've only been on Superior and Michigan, had no idea Erie was that shallow.
As always love the videos!
I wouldn’t hate seeing how you build your acrylic demos!
Thanks for the great vid!
Another great video! Thanks man!
Fantastic video! Thank you!
You are unironically my favourite youtuber. Keep up the amazing work
I’m a coastal engineer in Aus and this was awesome. Geeking out at the stuff I work with every day. We have a wave flume for demonstrations and I’m definitely bring in my leaf blower next time!
Great work as always! How much time does a video like this take for you prepare? (Out of curiosity)
why is it so important to you, to know that detail!!!
I’m also curious how long it takes to prepare (on average) one of these awesome vids.
@@mouyadinmoumin2432 Why is it so important to you to find out why it’s so important to him
@@mouyadinmoumin2432 because he inspires me to make content and I’m asking from someone I like.
5:20 I will never forget that day. I was in Biloxi Mississippi.
I visited The Hague a few years ago and got to see that barrier in person. Fascinating engineering.
I often go cycling there and you can ride past or on top of all of the delta works structures as naturally they all incorporate cycle lanes. Super-impressive engineering.
Great job thanks.
You might also check out Venice's MOSE barrier, which (as someone already mentioned) like the barriers in the Netherlands you show, is a wonder of engineering. You could do a whole extended video just on these barriers - and we would LOVE to see it!
There's one problem with this video: it doesn't address the social construction of risk. The physical science and engineering aspects of the video are great -- please don't think I'm faulting that! But there's a reason I've witnessed huge differences between attitudes toward hurricanes on the Texas Gulf Coast and attitudes toward typhoons on Guam and Okinawa. Residents of Guam and Okinawa live in a region in which typhoons are simply part of the socially constructed expectations of life. On the Texas Gulf Coast, people regularly deny the physical reality in favor of the social benefits of coastal living.
Until we deal with the mutually constructed social reality of risk perception, no amount of engineering will protect us against storm surge -- not because engineering solutions won't work, but because people believe it's not worth the cost.
Wonderful. And informative. Plz keep posting more about Sea, Ocean, Marine, Smart Ports and Coastal Structures. The engineering and management involved.
Love the channel.
Always the best content!
Great video!
I literally just cheered “Grady!” when I saw you had a new video up. Thank you!
5:55 Post10 would cry if he saw this.
I think we all are.
Another good reason to live in landlocked crossville tn. Great vid Grady and enjoy your channel.
great info
Excellent video. Also just signed up for CuriosityStream, thanks for the discount code. Love me some learning! 💯🦅🔥
Wish I had teachers like you in school. Keep making great content!
Your videos are always time well spent
Great video as usual
Thankyou for such a great topic
Being a resident of hurricane prone South Florida, the most important thing to decide for myself is the location of myself to the center of the hurricane, the eye. Being north east of the landfall/path of the hurricane is the worst zone, and being south west of the hurricane is the safer zone. Whether the eyewall will come in contact with my location is very, very important for this is where most of the danger occurs, regardless of quadrant. Weather service information before a storm will never be this specific, it becomes a personal information gathering event. Storm surge is much more dangerous in the Gulf because the surge has no where to go but on shore. However, the Atlantic side of Florida rarely suffers from storm surge because of the depth of the ocean floor. The damage here is mainly from wave action.
One of my favorite channels.
Nice info
Seeing a video within 30s of it being posted make dopamine go brrr
Thank you always for these amazing engineering content
Great video.
Hey Grady, thank you so much for your great videos! All of them are so interesting and the content is very well explained. Nevertheless, here's a suggestion/request: could you please link in the video the previous videos you mention while you're talking? Several times I've tried to trace those videos in your channel but I haven't succeeded. Those small boxes showing the link while the video is running would be so helpful :)
8:13 that fence is totally mood, after taking so much bullcrap eventually you just give up
More on these Delta works in the Netherlands would be nice. Also on how this could be used in the US and especially how the costs would be justified.
Greetings from the Netherlands
This was my biggest fear recently during the tropical storm. Living close to the LA river. Like literally about 1000 feet from it. It swelled to more than half its height. Luckily we did not see any strong wind just a lot of rain. Had we seen wind they did more east of us, i am sure the river would have swelled up to the top from the ocean swelling up. Great video
Great as allways
I love this channel so much
I've said it once and I'll say it again: Water is heavy and you cannot stop it
Tell that to the Dutch...
Yes you can, but you need an equal and opposite force
Concrete is heavier
@Odd Person not sure what predictions you follow but as someone living in the Netherlands, not gonna happen. in fact, ya boy the Netherlands is doubling down and upgrading everything to the max. Honestly of all the coastal area's in the world, the Netherlands is probably one of the most safe ones.
@@mistrants2745 don't you also have floating houses?
very good thank you.
I love your videos, always something interesting and explained very well. Just wish they were more often 🤣
Another factor that increases susceptibility to storm surge is topography of exposed terrain. An example of this is the Chesapeake Bay: if strong winds from the south occur during a high tide, areas in the north end of the bay near the mouth of the Susquehanna River experience flooding. Add rain to the equation, and the water from the many rivers that empty into the bay has nowhere to go but up; flooding quickly becomes catastrophic. It's far more common than what's reported in national news.
I love this channel
Am I the only one that sees a slightly older, but just-as-awesome Destin (from Smarter Every Day) in Grady? Both equally informative, enthusiastic and enjoyable to watch.
Thanks for what you do.
it's fascinating what damage a force that's been considered negligible in every calculation i ever did in uni can do
Cool, just added you on Nebula - hope to see more educational content moving over there
Your videos are the real knowledge of civil engineering do make more and more videos topics like fluid mechenics , soil mechanics , structures(rcc steel) , environmental engineering , engineering materials practical topics as you generally make.
Support from India ❤
The most interesting part of this video for me was that the depth of the shelf off the coast has a big role to play. Unfortunately for us humans the thing we value about a safe swimming beach; including a shallow sloping drop-off is probably the least favourable when it comes to reducing storm surge!
Thanks I learned something today 👍
Grady, I would love to hear your explanation/analysis of what went wrong with ERCOT, the Texas power grid, and what could cause someone to have a five figure electric bill! Love your channel and all your videos! Thanks!
I would really like to hear more about that Maasland kering
Yes. I'd like a whole series on the delta works starting with the Maeslantkering and covering all the other barriers from North to South one episode each! Very little on YT about these, just a few videos that are mostly in Dutch.
@@benc8386 Real Engeneering made one in English I believe and Tom Scott once visited the place where a lot of these structures were tested.
@@woutervanr Thanks! I'll have a look. I remember Tom Scott covered the headwind bike race which I think takes place on one of the structures :)
@@benc8386 He did indeed, on the Afsluitdijk.
@@woutervanr I don't really count that as one of the delta works, although it is also an incredible structure and a lot of fun to ride over on a bike. The delta works are all the ones in Zealand protecting NL from the Rhine delta.
You were talking about wind blown waves. Storm surge is a giant dome of water 100 miles across and just an inch or so high caused by low pressure in the storm's center. When it reaches shore, the front of it stops but there is 100 miles of water with momentum still coming in. Water piles up at the shore and can't go anywhere while more comes in. Effect is slow rise for hours. By the time all 100 miles of storm surge has been trapped against the land, it piles up to the 20 plus feet you described. This is like a tsunami where the wave is small but very wide at sea but piles up to enormous height when land and shallow water slow the front of the wave while water from farther back has momentum that keeps pushing more water against the land. Storm drains are made to direct rainwater to the sea but when the seal level rises due to storm surge, water flows the other way, gushing out of the drains and flooding roads and yards before the sea waves move so far inland. Most of your videos are very informative, but this one missed the root cause entirely.
Great video! That said, would it be possible to create a supplemental video which expands on coastal flooding of roads and highways. Many coastal areas adopted the urban design to drain precipitation from properties into the roadways before collecting the rain into the underground storm water piping systems. While this may work in higher urban elevations, it has presented a sunny day flooding hazard as seawaters rise and coastal cities deal with storm surge. It's time that coastal cities endorse a "Divide & Conquer" approach and prepare comprehensive plans to raise the roadways and separately engineer systems to carry precipitation from the properties. Many coastal cities don't understand the complexity or solutions, so a video on the subject would be appreciated. Thank you!
I would love a video about getting rid of the water back into the sea after a storm surge event, because often that seems not to be trivial. The wind may have stopped blowing, but there is still lots of water everywhere, and increased rainfall uphill as the storm has made it's way inland isn't helping. I'm sure there are lots of cool civil engineering concepts and projects that have been made around ensuring your levee doesn't just produce a lake after a storm surge breaches it, but I'd love to know what they are, and how they work!
Hi! I'm very much a weather nerd, and this was an awesome vid!eo Thanks! 😁
As a person who lives in the middle of the country, I hadn’t thought about the fact that this would only effect half the hurricane. It makes sense when you think about it but I had never thought about it before.
Thanks for the video. Like 👍 educational videos
Hurricane Ike in Texas wiped out almost every house the Bolivar Peninsula near Galveston. Yes, the houses were on high stilts, but waves even entered houses that were 22 feet above normal sea level.