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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

Which of the following is not a condition requiered for all thunderstorm to form?

A) Moisture in the lower atmosphere is not a condition required for all thunderstorms to form. While moisture is important for the development of thunderstorms, other factors such as instability, lifting mechanism, and vertical wind shear are also necessary.

What a lightning rod?

A lightning rod is a metal rod or conductor mounted on a building or structure to protect it from lightning strikes. The rod helps to safely conduct the electrical charge from a lightning strike to the ground, reducing the risk of fire or other damage to the building.

What kind of barometer measures air pressure by using a metal chamber that is sensitive to pressure changes?

The kind of barometer you are referring to is a aneroid barometer. It uses a metal chamber (an aneroid cell) which expands or contracts with changes in air pressure. This movement is then converted into a reading of air pressure on a dial.

Which is worse advisory or watch or warning?

A warning is generally the worse advisory. Although it differs depending on which sort of watch or warning is issued, a watch means a particular event is possible. For example, if there is a tornado watch, it means that conditions are favorable for a tornado to form. A warning means the event is expected or probable. In a tornado warning, for example, it means that a tornado has been spotted or is forming.

Is hail made of ice crystals?

The air a few miles above the ground is always cold enough for water to freeze. Hail starts off as small pellets of ice called graupel in the cold, upper reaches od a thunderstorm. This graupel is cycled through the storm by powerful air currents. As this happens, the pellets collide with supercooled water droplets, in which water remains liquid below its normal freezing point. These droplets freeze instantly to the surface. Hailstones grow by accumulating layers of ice in the manner. Eventually the hail becomes too heavy to remains suspended in the storm and falls to the ground. The hail is large enough and falls fast enough that it does not have time to melt.

What is the best action to take on a boat if you see a thunderstorm approaching?

The best action to take on a boat if you see a thunderstorm approaching is to head towards shore or seek safe harbor immediately. Secure loose items, lower antennas, and ensure everyone onboard is wearing a life jacket. Monitor weather updates and avoid open waters during a thunderstorm.

What happens to air pressure as low pressure moves into a area?

When a low pressure system moves in it will try to mix with the system currently in place. If that happens to be a high pressure system you will get thunder storms. If its a low pressure system then nothing changes.

What energy is the source that panels use to make electricity?

Solar panels convert sunlight into electricity through a process called the photovoltaic effect. The energy source for solar panels is the sun, which provides a renewable and abundant source of energy.

How much greater is the temperature of lightning than boiling water?

Lightning bolts can reach temperatures of about 30,000 degrees Celsius, which is much greater than the temperature of boiling water, which is 100 degrees Celsius. This means that lightning is approximately 300 times hotter than boiling water.

Why are there thunderstorms in Tampa?

Thunderstorms are fueled by warm, moist air and are often triggered by some sort of lifting mechanism. Florida is an ideal location for thunderstorms to form, with the tropical Atlantic in the east and the Gulf of Mexico in the west providing plentiful warm, moist air. Converging sea breezes, tropical disturbances, and passing fronts from the north can then trigger thunderstorms that feed on that air.

What cloud forms near ground?

Datz the problem itz by a 11 year old..da real answer is the when clouds are near the ground its called stratus Cloud..(Nd datz by a 14 yea old.. ) =]

A cloud that is near the ground is Called fog!!!

(answered by a trustful 11 year old)

It is called Humidity!!!!

What happens to water vapour when it hits a raincoat?

When water vapor hits a raincoat, it condenses from a gas back into a liquid due to the cooler temperature of the raincoat's surface. This is because the raincoat provides a colder surface for the water vapor to release its energy and transform into liquid droplets, resulting in water droplets forming on the raincoat.

How much lightning strikes per year?

There are approximately 1.4 billion lightning strikes worldwide each year. Lightning is a natural electrical discharge during a thunderstorm, and it occurs when different charges within a storm cloud separate. Lightning can be dangerous and cause damage, so it's important to stay safe during thunderstorms.

How are low-pitched sounds produced?

Low-pitched sounds are produced when an object vibrates slowly, creating waves with longer wavelengths. The slower the vibration, the lower the pitch of the sound. The frequency of the wave determines the pitch, with lower frequencies corresponding to lower pitches.

What are the odds of getting struck by lightning twice?

According to the U.S. National Weather Service, the odds of being struck by lightning -- in your lifetime -- are 1 in 5,000.

The odds of being struck in any given year: 1 in 700,000

According to NOAA, it's 1/6250.

What sound wave is the pitch related to?

In a way, yes, as the pitch of a sound wave is determined by it's frequency f, and a waves period T is the reciprocal of f. i.e. T=1/f

What happens when lightning strikes lava?

When lightning strikes lava, it can cause the surface of the lava to quickly cool and solidify, creating unusual formations known as fulgurites. These are hollow, glassy tubes that form when the intense heat of the lightning strike fuses the minerals in the lava together. It can also trigger small explosions or release gases trapped within the lava.

What damage is caused by thunder?

Many times when storm damage occurs to buildings, trees or other objects, people automatically say it was a tornado.But in most years, thunderstorm winds cause more damage, and thunderstorms are more frequent than tornadoes. In addition, property and crop damage can be more severe from thunderstorm winds than from tornadoes. Thunderstorms winds can exceed 100 mph.The most frequently encountered type of damaging straight-line wind in a thunderstorm is that associated with the leading edge of the rain-cooled outflow, known as the gust front. Although most thunderstorm outflow winds range from 30 to 50 mph, on occasion these winds can exceed 100 mph. Downburst-producing storms often give little advance indications of the imminent danger on weather radar or to the spotter, so warnings are difficult to issue.To be safe from strong thunderstorm winds, go inside a sturdy building, but stay away from windows that could break. If available, get to a basement or underground shelter.Large hail and flooding rains may accompany strong winds, so be alert to these dangers, also. Stay informed about the weather at all times.

What happens when lightning touches the earth?

Lightning is produced in thunderstorms when liquid and ice particles above the freezing level collide, and build up large electrical fields in the clouds. Once these electric fields become large enough, a giant "spark" occurs between them, like static electricity, reducing the charge separation. The lightning spark can occur between clouds, between the cloud and air, or between the cloud and ground.

Why is lightning an example of current electricity?

Lightning is an example of current electricity because it is the flow of electrons (current) through the atmosphere due to differences in charge buildup in clouds and the ground. This flow of electrons creates a temporary pathway through the air, resulting in the visible discharge of electricity in the form of lightning.

Do you have a better chance of being struck by lightning or eaten by a shark?

Cow attacks. But this doesn't mean that cows are more dangerous than sharks, there are just more of them.

Being attacked by a shark is much more dangerous than being attacked by a cow. However, the probabilty of the average man in the street actually being attacked by a shark is much lower than the probabilty of his being attacked by a shark.

Why is lightning in the winter so rare?

because the atmosphere is more stable. during the summer, the earth is heated unevenly (either the north or south hermispheres), with causes convection currents in the atmoshere-which causes our weather-and creates static in the form of lightning. in the winter, this is less likely to happen, therefore lightning in the winter is rare.

Why does the hair on a person's head will stand up when the lightning strike occurs nearby?

Because of static electricity. The bottom of the storm cloud is negatively charged and the ground (which you are standing on) is positively charged, so the static dishcharge( movement of static charge from one place to another) occurs. Like charges repel, unlike charges attract!

What happens to an electric charge which a lightning rod receives from a strike?

Lightning is caused by electrons building up, either in the ground or in the clouds. When this electric potential becomes greater than the dielectric strength of the air between ground and clouds, the electrons will flow from one to another in the form of lightning. The dielectric strength of air is directly related to the distance between the two objects of interest. A lightning rod works by being higher than whatever it is meant to protect, so as electrons build up, lightning will strike the rod instead of whatever it is protecting. The lightning rod provides a low impedance path to ground, acting as a drain for the electrical build up.

So it attracts lightning by being higher than whatever it is protecting; it also discharges the electrical potential by providing a low impedance path to ground.