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Questions tagged [tropical-cyclone]

A tropical cyclone is a rapidly-rotating storm system characterized by a low-pressure center, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain. Depending on its location and strength, a tropical cyclone is referred to by names such as hurricane, typhoon, tropical storm, cyclonic storm, tropical depression, and cyclone.

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Sustained WS discrepancy for Hugo 1989 in Charleston

I am reviewing Sustained Wind Speed data for several locations associated with Hurricane Hugo in September 1989. HURDAT2 data shows the Max Sustained Wind Speed at Landfall to be 120 knots at Isle of ...
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What is the largest hurricane possible?

With Earth getting hotter and hurricanes also getting larger I wonder; Is there a limit on how big a hurricane can physically get?
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Why isn't Dorian raining on the southeast side?

Dorian is currently passing over the Carolinas but its eye is only brushing the shore. However there's a side of Dorian that isn't raining: Is this unique to Dorian?
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How much energy did Hurricane Camille release?

According to this article, Energy Hurricane Volcano we find that for a typical mature hurricane, we get numbers in the range of 1.5 x 10^12 Watts or 1.3 x 10^17 Joules/day (this is according to ...
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Is it normal for a cyclonic storm to form at the latitude of New York, USA?

I am following climate activist Greta Thunberg's sail to N America from Europe on https://tracker.borisherrmannracing.com/. The model shows a cyclonic storm forming south of Nova Scotia, east of New ...
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Is there any possible way that a tropical cyclone of any strength could form over land?

Most tropical cyclones rapidly weaken over land, however, given some conditions (such as very wet soil/ground cover and tropical lower atmospheric conditions) they can sustain themselves or even ...
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Why did Hurricane Harvey have so much lightning associated with it?

Hurricane Harvey was a prodigious lightning producer when it hit Houston/SE Texas. But I thought hurricanes don't have much lightning (with the eyewall being the only exception), due to tropical ...
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How rare was Hurrican Barry's storm track?

Unlike most hurricanes that affect the eastern and central U.S. Barry did not form in the Atlantic. Instead it formed apparently from a low that veered into the Gulf of Mexico from the continental U.S....
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Why does Hong Kong have one of the best natural harbours in the world that can protect ships from the typhoon winds?

My question in this post's title is predicated on Reddit - Hong Kong was perfect for the British as a staging point from which to trade with China. This was because Hong Kong has one of the best ...
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Importance of surface boundary conditions in a weather model

I have a question regarding the usage of SST values for simulating a real time event such as a tropical cyclone. I feel that I should use the most updated SST values in order to get the accurate ...
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106 views

Why don't tropical cyclones hit Hawaii?

Image by Wikipedia user Citynoise using NOAA data. If you look at this map of tropical cyclone tracks, you'll notice that there's a gap in the central northern Pacific where tropical cyclones ...
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333 views

Has a hurricane or cyclone ever reformed after passing over a large land mass?

Hurricane Michael recently hit Florida as a Category 4 storm, and after the remnants passed across a great deal of the east coast of the United States it appears to have re-emerged into the Atlantic ...
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At the same speed, is a tornado as dangerous as straight wind?

If we have a place with wind at a given speed, and a tornado at the same speed, are they equally dangerous, or the tornado is more powerful?
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Why do hurricanes hitting the US East Coast seem to go north once hitting land?

Question says it all really. It appears that every hurricane hitting the US East Coast directs itself north once on land. Hurricane Florence is predicted to hit North Carolina then turn toward Canada ...
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How would a particle travel in a hurricane?

How would a particle other then water travel in a hurricane? At what buoyancy or height would a small air born life preserver be safe from the ground in a hurricane? How fun would that be?
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Are hurricane storm surges smaller when the storms strike small islands?

My understanding of a storm surge is that it is caused by the hurricane "pushing" water towards the land. When a hurricane makes landfall, this water washes up on the short generating a storm surge. ...
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Why is the atmospheric pressure in a tropical cyclone lowest in the eye, even though it contains sinking air?

The lowest atmospheric pressure in a tropical cyclone is generally located in the eye at the center of the cyclone; however, the air in the eye is descending, while the air in the surrounding portions ...
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How to find Steering Flow of a tropical cyclone?

I am wondering a method to find the steering flow of a tropical cyclone from wind data?
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228 views

Calculation of translation speed of a tropical cyclone from output data from models?

What is the translation speed of a tropical cyclone and how can it be calculated from model outputs? I have mean sea level pressure, u-wind and v-wind. I understand that it is the linear speed at ...
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Why are tropical cyclones forming earlier in the North Atlantic basin?

This tweet from Brian McNoldy includes a graph suggesting that tropical cyclones are typically getting named earlier in the year in the Atlantic: What are the causes for this?
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Are there any other sites that allow users to search for historic hurricanes within a given area?

Once upon a time I seem to remember there being a plethora of sites with very graphical interactive tools for quickly searching Atlantic hurricane data by time range, locations impacted, and storm ...
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Why does hot air sink in the eye of a tropical cyclone? [duplicate]

We know that warm air rises in the atmosphere due to the reduced density of the parcel itself. But in the eye of a tropical cyclone the warm air sinks down and does not reach the surface, but gets ...
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Why does the absence of diabatic heating rate and frictional terms make the zonal and vertical velocity identically zero?

I was reading an article on fluid dynamics of tropical cyclones, where I came across a condition which states that, For adiabatic friction less flow, equations (1) to (5) have a solution, v(r, z),...
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Typhoon in December of 1864 in Japan?

In "20,000 Leagues Under the Sea" by Jules Verne there is a reference to a "tempest" that destroyed Yeddo (Tokyo) in Japan: They are they which, in the tempest of December 23, 1864, after ...
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275 views

Why do tropical cyclones get more attention than extratropical cyclones?

For tropical cyclones we have carefully tracked every instance of them, and naming them as soon as they have reached a certain intensity... flying aircraft in to measure conditions... compiling ...
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What are the most notable papers in tropical cyclone research?

A quick Google scholar search indicates that 243,000 papers have the words "Tropical Cyclone." While scientific literature is considered valuable (predatory publishing and pseudo-scientific journals ...
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NaN values of aerosol variables in KF/Kuo parametrization schemes

I am using the numerical weather prediction (NWP) model RAMS to simulate a Tropical Cyclones in BoB region. I made two setups with two Cumulus Parametrization schemes (Kuo and KF). Initial and ...
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If you were to create the most devastating and powerful Atlantic Hurricane ever, what path would it take and how would the storm progress? [closed]

I'm looking over different historical storms in the Atlantic, from Tropical Storms, to category 5 hurricanes. It made me wonder what the worst case scenario storm would look like, what path (and when) ...
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157 views

How did a tropical storm starting with “D” end up next to a typhoon starting with “T”?

While keeping a close eye on typhoon Talim, I noticed that tropical storm Doksuri is also on the map and has caused serious damage and loss of life. I had thought that the naming of tropical storms is ...
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Do hurricanes cool the earth?

I noticed that temperature drops in the surrounding area of a hurricane. Is the heat converted into kinetic energy? Could the shape of the hurricanes reflect sunlight? Do they create more lightning ...
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177 views

Can strong winds significantly lower ocean surface levels, or is it really the static pressure differences?

The Washington Post article Hurricane Irma is literally sucking the water away from shorelines written by the Post's atmospheric scientist Angela Fritz describes leads with this: As a meteorologist,...
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Human hurricane forecasting?

I'm referring to an article I've read on Ars Technica about the differences in various weather models. One thing that stood out for me was a mention of Forecast models typically show their skill ...
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Could we cool the ocean by reflecting away sunlight to influence hurricanes?

I was wondering if we could possibly reduce the severity of, or steer a hurricane by changing albedo (e.g. dying the part ocean with a temporary light colored dye)? My thought would be to put this ...
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211 views

Hurricane eye on landfall and relation to wind speeds

I am not a meteorologist but watching Hurricane Irma (2017), I have a couple questions about how hurricanes keep their formation based on geographical landmarks. How does the radius of the hurricane'...
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165 views

Is there a table available for the maximum potential intensity of hurricanes?

The maximum potential intensity (MPI) is a computed quantity that often sets a maximum bound for maximum hurricane wind speed, though rarely, the wind speeds observed can exceed it. MPI is based off ...
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Can hurricanes set off earthquakes?

Large hurricanes can show up on seismographs. Do they do this by shaking the ground with wind? Moving large amounts of water putting weight on the tectonic plates? A large earthquake is the result of ...
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113 views

Ways, Through Science, to Counteract Hurricane Forces?

I know nothing significant about meteorology and definitely not a science guy so this will probably seem naive... But today I am wondering if there is any existing science or methods a government (...
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Does a hurricane classification exists where estimated rainfall is taken into account?

Hurricanes are classified with the Saffir–Simpson hurricane wind scale. However an extreme amount of rainfall can cause a disaster although the windspeeds are not extreme. Is there some sort of ...
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What statistics do we have regarding the probability of window breakage by wind speed?

One thing that has stood out from our past hurricanes in central Florida and also from watching those around the country is the real large propensity for folks to board up windows. But it has also ...
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What was the storm surge height from Hurricane Harvey?

The numbers bandied about have been 3.6 m (12 feet) and even 4.6 m (15 feet), but something told me that was unlikely. As a guy who could "almost" slam dunk a basketball, the idea of a 3 m (10 feet) ...
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170 views

Why would Google's map of areas affected by Hurricane Harvey have advisories for the west coast and other far away areas?

What behavior of this hurricane would lead to advisories for the west coast and even parts of Canada and Alaska, when the hurricane is in the South? I have little experience in meteorology or any of ...
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How can a storm drop 40 inches (1 metre) of rain?

Hurricane Harvey dumped more that 20 inches (500 mm) of rain over a large region, with 40+ (>1000 mm) in some spots... and much more expected. How is that possible? Does the atmosphere really hold ...
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When did people first realize that hurricanes are a particular type of storm system?

To a person living on a beach in the Caribbean or crossing the Atlantic on a sailing ship, it's not obvious whether a commotion in the sky is a hurricane or some other storm system. When did people ...
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Is there any way to estimate, what is the percentage of the mass of a storm cloud that turns into rain?

I have calculated the mass of the storm cloud for Hurricane Sandy (year 2012, in the United States of America). The dimensions of Hurricane Sandy of 1800 km in diameter and 13 km in height. ...
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526 views

Are hurricanes/cyclones/typhoons in the Pacific Ocean usually larger than in Atlantic Ocean?

Just my experience of observation: hurricanes/cyclones/typhoons in the Pacific Ocean seem to look larger than those in Atlantic Ocean (by looks I mean they occupy more grids in satellite images). If ...
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Would a hurricane increase intensity due to increasing translation speed?

For example, if a hurricane has 200km/h wind speed, and it increases the translation speed from 10km/h to 30km/h, would the intensity become 220km/h?
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What influences the movement (speed and direction) of tropical cyclones?

The recent cyclone to impact the Queensland coast of Australia (Cyclone Debbie, Category 4) tracked towards the coast at what was reported to be a very slow speed (between 6 and 7 km/hr). Is that a ...
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491 views

Does a hurricane with a smaller eye have a lower pressure?

I have heard it said that if there are 2 hurricanes with the same maximum wind speed, and one has a bigger eye while the other a smaller eye, then the one with the smaller eye would have a lower ...
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Changes in rainfalls, sea level and tropical cyclones

Is there any scientific evidence that exploitation of natural resources (fossil energies, forests etc.) affects rainfalls or sea level, which can represent extreme events? I read IPCC 2014 report and ...
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When there is snow on the ground, can a hurricane still form?

Where there is snow on the ground, it is a clear indicator that winter in near or already here. Meaning the oceans waters will be colder. But can hurricanes still form in such weather?