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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

Many PC warranties do not cover acts of God such as lightning damage why not?

Acts of God are deemed as natural occurrences beyond human control, making them unpredictable and typically excluded from warranty coverage. Lightning damage falls under this category because it is considered an external force that the manufacturer cannot be held responsible for. Warranty terms often specify that they cover defects in materials or workmanship rather than unexpected events like natural disasters.

What is a huge electrical spark moving between areas of opposite charge?

A huge electrical spark moving between areas of opposite charge is likely a lightning bolt. Lightning occurs when there is a buildup of static charge in the atmosphere that discharges through the air in the form of a powerful spark. It is a natural phenomenon that can be both visually stunning and dangerous.

Apparatus that produces ticking sounds or flashes of light at any desired musical speed?

A metronome is a device that produces ticking sounds at specific tempos to help musicians maintain a consistent tempo while playing. It can be set to different speeds to suit different musical pieces.

What is ligthing?

Lighting is the deliberate use of artificial light sources to illuminate a space for practical or aesthetic purposes. It can enhance the ambiance, mood, and functionality of a room by providing illumination for activities, highlighting architectural features, and creating visual interest. Good lighting design takes into account factors such as brightness, color temperature, and distribution to create the desired effect.

How many golfers are killed by lightning in Canada?

On average, there are about 2-3 fatalities due to lightning strikes in Canada each year. While golfers are at risk due to being outdoors, there is no specific data available on the number of golfers specifically killed by lightning strikes.

When was the last hail storm in little Rock AR?

The last hailstorm in Little Rock, AR was on April 22, 2020. It was a severe storm that brought hail up to 2 inches in diameter.

What is the connection of delight and light?

Delight can be associated with light in terms of brightness, positivity, and uplifting emotions. Light can evoke feelings of joy and pleasure, creating a sense of delight or happiness. Additionally, the presence of light can enhance one's mood and perception, leading to a feeling of delight in one's surroundings.

How does convection cause summer thunderstorms?

During the summer, convection occurs as the sun heats the ground, causing warm air to rise and cooler air to sink. This rising warm air leads to the formation of cumulonimbus clouds and the eventual development of thunderstorms as the warm, moist air continues to rise and condense in the atmosphere. Thunderstorms are fueled by this convective process, resulting in heavy rainfall, thunder, and lightning.

What happens to outdoor plants when hails hits them?

When hail hits outdoor plants, it can cause damage by bruising and breaking leaves, stems, and flowers. Hail can also strip off the protective outer layer of plants, making them more susceptible to disease and pests. In severe cases, hail can completely shred plants, causing significant harm to the overall health and structure of the plant.

Are the chances of getting hit by a meteor ray higher than getting struck by lightning?

No, the chances of getting hit by a meteor are extremely low compared to getting struck by lightning. Lightning strikes are much more common than meteor impacts on Earth. It is very unlikely for an individual to be hit by a meteor, whereas lightning strikes occur thousands of times each day around the world.

What do tornadoes thunderstorms and hurricanes have in common?

They are all storms that can produce strong, potentially damaging winds, are accompanied by low pressure, and result from convection. Tornadoes are more an indirect result since they are a product of strong thunderstorms.

What is the Difference Between a Cloud and a Sky?

I have found on merapakistan.com that a cloud is formed due to evaporation and it moves here and there and when it colds down it rains and Sky is a something blue which when we see upward in the absence of clouds and it is high far beyond the imagination and scientists have contradictions on what it is.

Describe the three steps in the formation of a thunderstorm?

Developing stageThe first stage of a thunderstorm is the cumulus stage, or developing stage. In this stage, masses of moisture are lifted upwards into the atmosphere. The trigger for this lift can be insolation heating the ground producing thermals, areas where two winds converge forcing air upwards, or where winds blow over terrain of increasing elevation. The moisture rapidly cools into liquid drops of water due to the cooler temperatures at high altitude, which appears as cumulus clouds. As the water vapor condenses into liquid, latent heat is released which warms the air, causing it to become less dense than the surrounding dry air. The air tends to rise in an updraft through the process of convection . This creates a low-pressure zone beneath the forming thunderstorm. In a typical thunderstorm, approximately 5×108 kg of water vapor are lifted into the Earths atmosphere . Mature stagen the mature stage of a thunderstorm, the warmed air continues to rise until it reaches existing air which is warmer, and the air can rise no further. Often this 'cap' is the tropopause . The air is instead forced to spread out, giving the storm a characteristic anvil shape. The resulting cloud is called cumulonimbus incus. The water droplets coalesce into larger and heavier droplets and freeze to become ice particles. As these fall they melt to become rain. If the updraft is strong enough, the droplets are held aloft long enough to be so large that they do not melt completely and fall as hail. While updrafts are still present, the falling rain creates downdrafts as well. The simultaneous presence of both an updraft and downdrafts marks the mature stage of the storm, and produces Cumulonimbus clouds. During this stage, considerable internal turbulence can occur in the storm system, which sometimes manifests as strong winds, severe lightning, and even tornadoes.

Typically, if there is little wind shear, the storm will rapidly enter the dissipating stage and 'rain itself out', but if there is sufficient change in wind speed and/or direction the downdraft will be separated from the updraft, and the storm may become a supercell, and the mature stage can sustain itself for several hours.

Dissipating stageIn the dissipation stage, the thunderstorm is dominated by the downdraft. If atmospheric conditions do not support super cellular development, this stage occurs rather quickly, approximately 20-30 minutes into the life of the thunderstorm. The downdraft will push down out of the thunderstorm, hit the ground and spread out. This phenomenon is known as a downburst. The cool air carried to the ground by the downdraft cuts off the inflow of the thunderstorm, the updraft disappears and the thunderstorm will dissipate. Thunderstorms in an atmosphere with virtually no vertical wind shear weaken as soon as they send out an outflow boundary in all directions, which then quickly cuts off its inflow of relatively warm, moist air and kills the thunderstorm

Calm area where warm air rises?

A calm area where warm air rises is known as a thermal. This occurs when the ground is heated by the sun, causing the air above it to warm and rise. Thermals are commonly experienced by glider pilots as a source of lift for soaring.

How are sleet and hailstones formed diffrently?

Sleet is formed when ice crystals fall as rain that freeze before it hits the ground. Hailstones form when strong winds blow raindrops back upward to the top of where the temperature is freezing. Then, the raindrops freeze into small pieces of ice. This process might happen several times where many layers of ice may build up. Once the hailstones are too heavy and the wind can blow them back up, the hail falls to the ground.

Is lightning is an example of an electric field or discharge?

Lightning is an example of an electrical discharge, not an electric field. It occurs when an electric field builds up in the atmosphere due to positive and negative charges separating, and then discharges as a bolt of electricity.

What is the charge cloud?

Formation:

The first process in the generation of lightning is charge separation.

The mechanism by which charge separation happens is still the subject of research, but one hypothesis is the polarization mechanism, which has two components:

1. Falling droplets of ice and rain become electrically polarized as they fall through the atmosphere's natural electric field;

2. Colliding ice particles become charged by electrostatic induction.

Ice and supercooled water are the keys to the process. Violent winds buffet tiny hailstones as they form, causing them to collide. When the hailstones hit ice crystals, some negative ions transfer from one particle to another. The smaller, lighter particles lose negative ions and become positive; the larger, more massive particles gain negative ions and become negative.

What is a Local storm with tall clouds heavy rains and thunder and lightning?

This describes a thunderstorm, which is a type of localized storm characterized by tall clouds (cumulonimbus) that produce heavy rain, lightning, and thunder. Thunderstorms can also bring strong winds, hail, and occasionally tornadoes.

Is 10 Hz high or low pitch?

10 Hz is considered a very low pitch. The human hearing range typically starts around 20 Hz, so a sound at 10 Hz would be perceived as more of a vibration or rumble rather than a distinct pitch.

Why is lightning a problem?

Lightning can be a problem because it poses a threat to people, animals, and property due to its high voltage and unpredictable nature. It can cause injuries or fatalities, damage electronic devices, start fires, and disrupt power supply and communication systems.

What did Martin Luther say after almost getting struck by lightning?

Upon surviving the near lightning strike, Martin Luther said, "St. Anne, help me! I will become a monk!" He took the incident as a sign from God and kept his promise by entering a monastery shortly after.

What is MCOV rating for lightning arrester?

The MCOV (Maximum Continuous Operating Voltage) rating for a lightning arrester is the maximum voltage that the arrester can continuously withstand without failing. It is important to select a lightning arrester with an appropriate MCOV rating to ensure that it can effectively protect against overvoltage events without being damaged.

The name and symbol for internal heat of a system at constant pressure?

Energy, E.

There are two types of chemical reactions. Reactions which produce energy are called exothermic reactions, while reactions which consume energy are called endothermicreactions. Generally, an exothermic reaction can be written such as Reactants → Products + Energy An endothermic reaction can be written such as: Reactants + Energy → Products

What causes thunderstorms to stop?

It is believed cold outflow from either the parent thunderstorm or another storm nearby cuts off the supply of warm air that feeds the mesocyclone, which is the rotating updraft the drives the tornado.

Is it hotter in a high pressure area or a low pressure area?

It varies. High pressure systems can form at the centers of both warm and cold air masses. Heat waves are often associated with high pressure, partly due to the air warming through compression.