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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Using Acummulated Cyclone Energy (ACE) for non-tropical cyclones

Accumulated cyclone energy (ACE) is used to measure and compare the activity of individual hurricanes and entire tropical cyclone seasons. It is calculated as an integral of the squares of hurricane ...
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Forced shallow-water equation with diabatic heating as the source term

How to obtain the divergence of velocity field $\left(\nabla.\mathbf{u}\right)$ with ${Q}$ (something proportional to the diabatic heating rate) as the source term from the thermodynamic equation? ...
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Why is wind shear consistently high in the South Atlantic?

I have read that perhaps the largest reason that tropical cyclones are so rare in the South Atlantic is due to chronically-high vertical wind shear which inhibits their structural development. But ...
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In the future, is the World Meteorological Organization going to allow Hurricanes Zeta, Eta, and Theta to exist simultaneously?

In the 2005 Atlantic Hurricane Season, we got all the way to Tropical Storm Zeta, which is the current record. This year we may very well surpass that. However, right after Zeta come Eta and then ...
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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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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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Does the hour of the day and the position on the sun have any influences on the formation of a hurricane?

I am writing an essay and cannot find if a hurricane is influenced by the position of the sun or the hour of the day.
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What will happen if the Greek letter names were exhausted for naming tropical storms?

The traditional list of hurricane names for the year goes from A to W, and, in the very rare occurrence that the W storm has formed and there is another tropical storm out there, then the Greek letter ...
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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 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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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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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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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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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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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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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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313 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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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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Why Hong Kong typhoon signals only 1, 3, 8, 9 and 10?

Why doesn't Hong Kong have typhoon signal numbers 2, 4, 5, 6, 7? Please explain like I'm 5. I read Quora, but I don't understand those complex answers!
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Tropical cyclones in North Indian Ocean in winter

The North Indian Ocean basin which consists of Bay of Bengal and Arabian Sea witnesses mainly two tropical cyclone seasons: pre-monsoon and post-monsoon. My question is that what is it that causes the ...