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Thunderstorms and Lightning

Also referred to as a lightning storm, a thunderstorm is a weather form wherein thunder and lightning are present. Thunderstorms, most especially if accompanied by heavy rains and downburst winds, pose hazards to people and the environment.

5,088 Questions

Why do you usually see the lighting first before you hear the thunder?

When lightening strikes both the light and the sound are created at the same time and they start traveling towards you, wherever you are away from it. But, since the light travels faster than the sound you first see the lightening and then after a short pause you hear the thunder. The further you are away from the lightening strike the more time there is between when you see the lightening and when you hear the sound. That is because the speed of light is about one million times faster than the speed of sound.

Sound velocity in dry air is 33.45 m/sec. Light speed is 2.99792458 x 10 to the power of 8 m/sec. So, you can see that light is much faster than sound.

How does Percy Jackson change throughout The Lightning Thief?

In chapter 17 of the Lightning Thief Percy is visited by Nereig a sea spirt. He is also meets Procrustes,The Strecher, Percy soon tricks the god and saves Annabeth and Grover who were being streched.

Is it dangerous to watch television during a thunderstorm?

For starters, many people have reported the computer blowing up, because the Hard drive is very sensitive to such High voltage, or the computer could die, same reason as why the computer would blow up, or the computer could be fine, who knows it could well be any of those three things.

How is lighting and thunderstorms formed?

the exact reason as to how it is formed is still under debate but scientist think that it's a static discharge. to sum it up, they believe that the water and other molecules in the storm cloud gets moved around so much that they rub against each other thus creating static electricity (kinda like when you rub a balloon against your hair but times like a million). when the cloud has a lot of electricity built up, it tends to want to find somewhere to let it loose. usually it's within the cloud but sometimes, it strikes the ground. these lightning bolts have tremendous energy and it's said that a lighting bold is hotter than the surface of the sun!

Why could we see lightning before we hear thunder?

In simple terms... light travels much faster than sound. The sound of the thunder takes much more time to reach you - than the flash of the lightning.

What are the ways of avoiding the dangers associated with lightning?

we shod be go to the house we shod not take shelter under shed like mettle

Is lightening very unpredictable?

Lightning is unpredictable in terms of where and when it will strike, but it tends to occur most frequently in certain types of storms and environments. It is important to take precautions during thunderstorms to minimize the risk of being struck by lightning.

When is thunder and lightning most likely to occur?

Lightning can occur anywhere that conditions are right for it, and it can be created artificially with a Tesla Coil, but some locations are more likely than others. Tampa, FL has more lightning strikes than anyplace in the world, and Tampa is the native word for "sticks of fire." The expression "a bolt from the blue" is a metaphor for a lightning strike on a cloudless day. In addition, there are flash lightning and cloud-to-cloud lightning, and perhaps other kinds of lightning.

What storms are produced by large rising columns of warm moist air?

Small area storms formed by the strong upward movement of warm, moist air are called storm surges.

What will happen at -50 degrees Celsius?

every thing will become ice , for example , throwing hot water down from your building will turn into ice before even reaching land

Why do thunderstorms occur in the summer?

Hot summer days tend to cause convection. In other words heat bakes a storms. So if there was a cumulus and it was hot out the sun would basicly bake it and it would keep rising until it hit air pressure that doesn't allow it to grow.

Do all thunder storms produce lightning?

No. Occasionally storms occur and there is no rain. This happens most often in arid regions. In many cases the rain falls, but evaporates before reaching the ground, a phenomenon called virga.

What is the correct metric unit of measure for mass?

The kilogram is the basic metric unit of mass. Its 10-fold

multiples and sub-multiples are also used as appropriate.

When in a boat what is the best course of action if you see a thunderstorm approaching?

I have been through many thunderstorms while sailing. Unless you are in a very small boat, that could be upset by larger waves, it is no different than sailing at any other time. As long as the wind and waves are not extremely drastic, it's a matter of wearing foul weather gear and staying warm while making sure your sails are trimmed for the likely stronger winds. Storm sails or at least reefing the main sail and hoisting a small jib would be recommended. I highly recommend that all larger ocean going sailboats have a grounding system. This system basically makes sure any electricity from lightning would travel down the (usually aluminum) mast and into the keel bolts or other metal directly to the water. As long as the electricity goes directly into the water, it shouldn't harm the boat in any substantial way. I have never had any real problems in thunderstorms. Heavy winds and waves are the worst threat and then only if you are unprepared or so close to land that it threatens to push you ashore.

Where in the atmosphere does lightning occur?

Negative charge accumulates on the bottom of a cumulonimbus cloud and becomes attracted to the positive charge of the ground. When it overcomes air resistance, the charges shoot down. The lightning that you see is when the positive charge shoots back up into the cloud.

What happens in a thunderstorm that makes thunder?

As ice crystals and water droplets bump an rub against each other inside a thunderstorm electrons get transferred between these particles, giving them electrical charges. Air currents within the thunderstorm then carry these particles around so that different regions of the storm become either positively or negatively charged. Eventually these charges can become great enough that massive discharges of electricity occur. This is called lightning. The lightning instantaneously superheats the air it travels through to tens of thousands of degrees. The air expands rapidly, creating a shockwave that we hear as thunder.

What weather comes before a thunderstorm?

When a lightning bolt travels from the cloud to the ground it actually opens up a little hole in the air, called a channel. Once then light is gone the air collapses back in and creates a sound wave that we hear as thunder. The reason we see lightning before we hear thunder is because light travels faster than sound.

Why do the people sitting in the train does not get electric shock?

If the track is fed by overhead power lines then the track is the return path for the electric current and is at earth potential.That is 0 volts

In the UK we use a Third rail system which is raised up,and to one side of the rail.This rail is laid on china insulators and has a voltage of 750volt DC:- very dangerous since if you touch it it tends to clamp muscles on to it.

Which is safest in a thunderstorm?

As safe as they reasonably could be. In order to maintain air-worthiness, the FAA requires airplane owners to adhere to a very strict set of maintenance and repair regulations. In addition airplanes are designed to be able to withstand severe abuse way in excess of what they actually see on a typical flight.

Whereas cars and trucks are designed to be used and then discarded, aircraft are designed with ease of maintenance and reliability in mind. It is common to see a 20 or 30 year old car still running on the original engine, but an aircraft of that age would have had its engine overhauled or replaced several times simply as a regular part of its maintenance schedule.

What state in the US has the most thunderstorms?

Florida is the state in the US that experiences the most thunderstorms, due to its warm and humid climate. The combination of heat and moisture creates the ideal conditions for thunderstorm development.

What is the difference of static electricity and current electricity?

Current electricity requires an energy source, it would not flow unless there is a complete circuit to flow through continuously and it only flow through conductors where as static electricity does not require all of these. Static electricity can have extra protons or electrons and there foe can be either positively or negatively charged. Current electricity is simply the flow of electrons(negative).

Why will sound of low frequencies travel farther in air than sound of high frequencies?

The answer to this question has to do with the nature of waves. A high frequency sound has a greater wavelength than a low frequency sound. A high pitched noise wave looks a bit like NNNNNNNN, whereas a low sound looks a bit more like _____. Because the high pitched noise has a "taller" wave, so to speak, it is more easily interrupted, and cannot, therefore, travel as far as a low sound.

sounds with higher frequency have more energy and the energy decreases along with distance and so is the frequency........so a sound with high frequency can travel farther due to its more amplitude,wavelength and intensity.

The above is in error. A high frq. sound has a shorter (time is the abcissa(x) axis) wavelength than a lower freq. sound. Tallness or amplitude is not to be confused with wavelength. Amplitude is normally the ordinate or y axis and is a measure of magnitude. Energy content is a factor of both wavelength and amplitude. Lower frequency waves commonly travel better through matter as a result of the atomic spacing of the molecules in the medium( air, solid matter etc.). i.e. Think of dominoes falling.

What does lightning taste and smell like?

A bolt of lightning is simply a highly intense discharge of electricity, so it doesn't smell of anything.

Ozone can be created by electrical discharges, so there's plenty of it about during a thunderstorm, which is what causes that unusual smell you can detect during such a meteorological event. I wouldn't say that ozone smells particularly like sulphur though... if you're smelling sulphur, I'd suggest you check for the source elsewhere.