Thunder lightning (describe)
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Thunder and lightning is a natural phenomenon that occurs during rainy seasons. It begins with a buildup of negative and positive charges within storm clouds, which results in a blinding flash of light called lightning. Shortly after, the sky lights up from lightning, a loud boom of thunder is heard as the shock wave reaches the ground. Thunder and lightning can occur between clouds, within a single cloud, between clouds and the air, or from clouds to the ground, and sometimes results in fires, loss of life, or damage to electronics.
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Depressions And Anticyclones
Depressions and anticyclones are two types of air pressure systems.
[1] Depressions are areas of low pressure with close-together isobars that cause unstable weather like rain and strong winds. [2] Anticyclones are high pressure systems with far-apart isobars that bring stable weather over several days along with clear skies. [3] Depressions can cause flooding and damage from wind and rain, while anticyclones may lead to heat waves, drought, or cold weather and frost depending on the season.
Thunder and Lightning CAI,PPT-Alphonsa Joseph, Social Science
The document provides directions for a computer-assisted lesson on thunder and lightning. It outlines the following:
- The lesson will cover the topic of thunder and lightning through relevant slides and pictures.
- Learners can navigate slides using their mouse and click on textboxes for responses.
- The direction provided by the computer should be followed.
- Brain teasers and relaxers are included to develop concepts and allow for self-checking with explanations.
- At the end, a "Test Your Knowledge" session allows learners to recap the lesson.
Report
Lightning occurs during hot, wet storms when moist air rises to form cumulonimbus clouds. As ice crystals form in the clouds and fall as rain, static electricity builds from the friction between rising and falling air. When clouds become fully charged, lightning flashes occur as the electricity discharges in long bolts reaching several miles. Lightning flashes are extremely hot, averaging 34,000 degrees Centigrade, causing the surrounding air to expand with a loud blast of thunder. The text explains what lightning is, how it occurs within storm clouds, and its high average temperature.
Lightning
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LIGHTNING FROM INITIATION TO DISCHARGE
The document discusses the process of lightning initiation and discharge. It explains that lightning occurs when positively and negatively charged regions in clouds or between clouds and the ground equalize. The document outlines the step-by-step process where water droplets accumulate in clouds, separating charges and creating an electric field. This electric field produces plasma that provides a path for the lightning bolt to discharge. Different types of lightning are also described such as intra-cloud, cloud-to-ground, and cloud-to-cloud lightning.
Lesson 2: Winter and Summer Anticyclones
This document discusses anticyclones and the differences between winter and summer conditions. It notes that anticyclones form from high pressure air masses that descend, bringing clear, dry weather. Winter anticyclones bring cold, sunny conditions with risk of frost and fog, while summer anticyclones are hot and sunny but can produce thunderstorms. The document includes a quiz for students about weather systems and conditions associated with anticyclones in different seasons.
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1.7 Severe Storms_Notes_Ch11_L8
1. Thunderstorms are the most common severe storm and form from cumulonimbus clouds, producing lightning, thunder, heavy rain, and strong winds.
2. Tornadoes are violent whirling winds that move across the ground in a narrow path, often growing out of thunderstorms.
3. Hurricanes are very large, swirling storms over tropical oceans near the equator, with low pressure at their center. They cause storm surge and flooding from large waves.
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Depressions And Anticyclones
Depressions and anticyclones are two types of air pressure systems.
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The document provides directions for a computer-assisted lesson on thunder and lightning. It outlines the following:
- The lesson will cover the topic of thunder and lightning through relevant slides and pictures.
- Learners can navigate slides using their mouse and click on textboxes for responses.
- The direction provided by the computer should be followed.
- Brain teasers and relaxers are included to develop concepts and allow for self-checking with explanations.
- At the end, a "Test Your Knowledge" session allows learners to recap the lesson.
Report
Lightning occurs during hot, wet storms when moist air rises to form cumulonimbus clouds. As ice crystals form in the clouds and fall as rain, static electricity builds from the friction between rising and falling air. When clouds become fully charged, lightning flashes occur as the electricity discharges in long bolts reaching several miles. Lightning flashes are extremely hot, averaging 34,000 degrees Centigrade, causing the surrounding air to expand with a loud blast of thunder. The text explains what lightning is, how it occurs within storm clouds, and its high average temperature.
Lightning
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The document discusses the process of lightning initiation and discharge. It explains that lightning occurs when positively and negatively charged regions in clouds or between clouds and the ground equalize. The document outlines the step-by-step process where water droplets accumulate in clouds, separating charges and creating an electric field. This electric field produces plasma that provides a path for the lightning bolt to discharge. Different types of lightning are also described such as intra-cloud, cloud-to-ground, and cloud-to-cloud lightning.
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This document discusses anticyclones and the differences between winter and summer conditions. It notes that anticyclones form from high pressure air masses that descend, bringing clear, dry weather. Winter anticyclones bring cold, sunny conditions with risk of frost and fog, while summer anticyclones are hot and sunny but can produce thunderstorms. The document includes a quiz for students about weather systems and conditions associated with anticyclones in different seasons.
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2. Tornadoes are violent whirling winds that move across the ground in a narrow path, often growing out of thunderstorms.
3. Hurricanes are very large, swirling storms over tropical oceans near the equator, with low pressure at their center. They cause storm surge and flooding from large waves.
3. Anticyclones
Anticyclones bring settled weather to the UK, with dry, bright conditions that can last for several days. In summer, anticyclones result in hot and sunny weather due to clear skies and a high sun. In winter, anticyclones lead to cold, clear nights that allow frost and fog to form as the sun is low and days are short. The weather associated with anticyclones is explained by the sinking air within the high pressure system, which warms and picks up moisture, preventing cloud and precipitation.
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Lightning is an atmospheric discharge of electricity that occurs when negative and positive particles inside storm clouds separate. It forms when the negatively charged bottom of clouds induces a positive charge on the ground, causing a spark to jump between them. Benjamin Franklin famously experimented with lightning by flying a kite during a storm and collecting a spark from the key attached to the kite string. Lightning can heat the air around it to temperatures hotter than the sun's surface and strike at speeds over 130,000 mph.
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3. Anticyclones
Anticyclones bring settled weather to the UK, with dry, bright conditions that can last for several days. In summer, anticyclones result in hot and sunny weather due to clear skies and a high sun. In winter, anticyclones lead to cold, clear nights that allow frost and fog to form as the sun is low and days are short. The weather associated with anticyclones is explained by the sinking air within the high pressure system, which warms and picks up moisture, preventing cloud and precipitation.
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This document discusses the causes of lightning. It explains that Benjamin Franklin was one of the first to study lightning in the 18th century and proved his hypothesis that lightning is electrical in nature by attaching a key to a kite during a storm. The document then describes how water accumulates in clouds during the water cycle, causing collisions that separate charges and create positive and negative regions within clouds. This charge separation generates an electric field that rips electrons from air molecules, forming a plasma channel that allows lightning to discharge rapidly between the cloud regions and ground.
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Thunderstorms are common storms that produce lightning and thunder through heating of the air. They form in three stages - air rises to form clouds, moisture falls as rain or hail when clouds can no longer hold it, and static electricity builds from air moving in opposite directions causing lightning. Thunderstorms usually form ahead of cold fronts in warm air and can sometimes spawn tornadoes in areas where warm, moist air meets cold, dry air masses like the Great Plains and Mississippi Valley.
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Thunderstorms form when warm, humid air rises rapidly and condenses into clouds. Lightning results from a buildup of positive and negative charges within storm clouds and between clouds and the ground. Thunderstorms can also spawn tornadoes if wind shear is present. Most tornadoes are relatively small and short-lived, but the most intense can completely demolish buildings.
The Power Of Lightning
Lightning is an atmospheric discharge of electricity that occurs when negative and positive particles inside storm clouds separate. It forms when the negatively charged bottom of clouds induces a positive charge on the ground, causing a spark to jump between them. Benjamin Franklin famously experimented with lightning by flying a kite during a storm and collecting a spark from the key attached to the kite string. Lightning can heat the air around it to temperatures hotter than the sun's surface and strike at speeds over 130,000 mph.
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This document discusses weather fronts and air masses. It explains that a weather front is the boundary between two different air masses, like two water balloons of different temperatures pushing against each other. It describes two main types of fronts:
1) Cold fronts, where colder air is pushing warmer air out of the way, producing cumulus clouds and often severe weather. Cooler, drier air follows a cold front.
2) Warm fronts, where warmer air moves over colder air and is lifted up. Warm fronts often begin with cirrus clouds followed by stratus clouds and light to moderate rain. Warmer weather follows a warm front.
The document also notes that high pressure systems are marked with
ANTICYCLONES QUESTIONS
An anticyclone over the British Isles in winter results in very cold weather with clear skies. Daytime temperatures are below freezing but nighttime temperatures drop much lower as there is little insulation. Radiation fogs form in low-lying areas at night due to the rapid cooling of air in contact with the frozen ground and slowly burn off in the morning due to the sun's weak heating at that time of year.
How do fronts & air masses change the
This document discusses how air masses and fronts influence weather patterns. It explains that air masses are large bodies of air with uniform temperature and moisture content that form over land or water. Fronts are boundaries between differing air masses. There are three main types of fronts: cold fronts, which bring storms and precipitation; warm fronts, which produce steady rain and clearing weather; and stationary fronts, which can cause prolonged storms and flooding. The document also outlines weather map symbols and provides safety tips for severe weather like tornadoes, blizzards, and hurricanes.
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Fronts and air masses change the weather by interacting at boundaries called fronts. There are four main types of air masses - cold/dry, cold/wet, warm/dry, warm/wet - determined by whether they form over land or water. Cold fronts bring stormy weather as warm air is forced upwards, while warm fronts bring steady rain. Stationary fronts cause prolonged heavy rain or snow. Weather maps use symbols and colors to depict conditions and fronts to help forecast the weather. Severe storms like tornadoes, blizzards, and hurricanes can be predicted and people should follow safety rules during dangerous weather.
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Tropstormgapfill
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BI - ANTICYCLONES
Anticyclones are high pressure weather systems that form over the British Isles frequently. They are characterized by calm winds with widely spaced isobars, sinking air that warms and decreases humidity, causing clear skies. In winter, anticyclones bring cold days and frosts with the potential for pollution inversions, while summer anticyclones result in hot days with hazy sunshine and the risk of thunderstorms from moist air masses. Anticyclones can influence weather conditions for up to 10 days as they move slowly across the region.
Weather script
William Sullivan gave the weather forecast, reporting that patches of rain in the south midlands would gradually disperse, causing minor drizzles. Later, patches of snow were expected in the north midlands, hovering towards the central midlands with temperatures dropping to -3°C. In the south midlands, temperatures would range from 7-2°C with occasional scattered fog. Over the following days, only a few patches of rain were expected across the midlands with infrequent sunshine, though temperatures and conditions would gradually improve over the week and into the weekend.
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Air masses are large regions of atmosphere with similar properties throughout, while fronts are narrow boundaries that form where warm and cold air meet but do not mix. Cold fronts bring brief heavy storms including thunderstorms and strong winds that clear out, leaving cooler and drier conditions. Warm fronts typically produce light steady rain or snow over multiple days with fog and warmer more humid weather following.
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Lightning is a large-scale electrical discharge that occurs during thunderstorms. It is caused by the buildup of positive and negative charges within a thunderstorm. When the buildup becomes large enough, a lightning bolt occurs as the charges suddenly equalize. There are several types of lightning including sheet lightning, cloud-to-ground lightning, and heat lightning. Thunder is the sound caused by the rapid heating and expansion of the air along the lightning channel.
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1) The Tyndall effect is the scattering of light through a colloid and allows the path of light to be seen through materials like fog.
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Lightning is a giant spark of electricity in the atmosphere between cl.pdf
Lightning is a giant spark of electricity in the atmosphere between clouds, the air, or the ground.
In the early stages of development, air acts as an insulator between the positive and negative
charges in the cloud and between the cloud and the ground. When the opposite charges builds up
enough, this insulating capacity of the air breaks down and there is a rapid discharge of
electricity that we know as lightning. The flash of lightning temporatily equalizes the charged
regions in the atmosphere until the opposite charges build up again. Sun dogs fire on the horizon
Meteor rain stars across the night This moment may be brief But it can be so bright Reflected in
another source of light When the moment dies The spark still flies Rellected in another pair of
eyes Dreams are sometimes catching Desire goes to my head Love responds to your invitation
Love responds to imagination Neil Peart 9/12/1952 1/7/2020 Boom! Lightning is a huge
electrical discharge that results from the rising and sinking air motions that occur in
thunderstorms. Lightning can be either connect from one aloud to another, or shoot from a cloud
down to the ground. Lighting also has different appearances and is always accompanied by
thunder. yypes of cloud-to-ground fightning include staccato, forked, ribbon, and bead ghtning -
Staccato lightning is a strike which is a short-duration stroke that often, but not always, appears
as a single very bright flash and often has considerable branching. - Forked lightning is a name,
not in formal usage, for cloud-to-ground lightning that exhibits branching of.
F1103014450
The document summarizes lightning phenomenon and describes various types of lightning strikes and their effects. It discusses lightning protection methods for structures. Key points:
1. Lightning is a sudden discharge between clouds or between clouds and the ground. It can cause significant damage to structures and injury.
2. There are different types of ground lightning strikes depending on the direction of charge. The most common is negative cloud-to-ground lightning.
3. Effects of lightning include thermal, acoustic, luminous, electrodynamic, and indirect effects from surges. Protection methods aim to safely conduct lightning currents to ground.
Tornadoes
A tornado is a funnel-shaped cloud that sometimes touches the ground, destroying everything in its path. Tornadoes form from powerful thunderstorms called supercell clouds and can have wind speeds over 400 mph. They most commonly occur during the spring and summer months in parts of the United States.
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1. The document describes the formation of tornadoes from thunderstorm clouds and discusses the signs that indicate a tornado may form, such as a wall cloud.
2. It notes that if the rotation in a thunderstorm is strong enough, a wall cloud may descend from the storm and touch the ground, potentially forming a tornado.
3. The tornado then touches down on the ground and causes damage as it moves along the surface for several minutes in some cases, before dissipating.
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Thunderstorms form from moisture, unstable air that rises rapidly, and lift from factors like fronts or mountains. Thunder is caused by lightning opening a small channel in the air, which then collapses back, creating the sound we hear. While thunderstorms produce noise and light, it is the heavy rain and wind that can damage homes and property, potentially leaving people without shelter or food.
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This document discusses thunder, lightning, and storms. It explains that thunder is the sound caused when lightning heats the air, causing it to expand rapidly outward in a shock wave. Lightning occurs when heavy negatively charged particles in a storm cloud sink to the bottom, building up an electrical charge until releasing a spark. While storms can be dangerous and cause power outages or fires, some of these risks can be prevented by seeking shelter when lightning is possible.
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The document discusses thunderstorms and provides details about their formation and characteristics. It describes how thunderstorms look with dark clouds and lightning striking in zigzags. The rain falls heavily, feeling like rocks on the roof. Thunderstorms form as cumulus clouds develop and air masses cool and vaporize, condensing into raindrops before lightning and thunder occur. The worst thunderstorm on record for the city of Kobe killed 4 people.
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Hazards which originate above the surface of the earth (in the atmosphere) are called exogenous hazards.
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The document discusses the process of how auroras occur. It provides details on 5 members of the "AURORA" group and then explains that auroras are natural light displays caused by collisions between charged particles from the sun and gases in Earth's upper atmosphere. It describes how the solar wind contains electrons and protons that hit Earth's magnetic field and are guided to the poles, where their collisions with atmospheric gases release energy and create the colorful displays in the sky. Auroras are most commonly seen at the poles because the magnetic field is strongest there, pulling more solar particles to those regions. Rarely, auroras can also occur at high altitudes in tropical areas.
Thunderstorm and lightining
Thunderstorms require moisture, an air lifting mechanism, and instability to form. They have three stages: cumulus, mature, and dissipating. During the mature stage, rising warm air and falling cold air cause static electricity to build up, resulting in lightning. Lightning is a high-voltage electrical discharge between clouds, air, or clouds and the ground. It can heat the nearby air to 50,000 degrees Celsius and travel at 300,000 m/s. Indoors, one should avoid contact with electrical equipment or plumbing, while outdoors the safest shelters are enclosed buildings or hard-top vehicles.
Severe Weather - Lightning, Tornadoes, & Hurricanes
Thunderstorms form when there is moisture in the lower atmosphere, a mechanism to lift the moisture to condense and release latent heat, and an unstable atmosphere. They can produce hail, tornadoes, and wind speeds up to 160 km/hr. Lightning is a visible electrical discharge produced by thunderstorms. It forms through a process of charge separation within clouds and between the cloud and ground. Hurricanes are intense tropical storms that form over warm ocean waters and have heavy rains and winds over 74 mph. They consist of thunderstorms with a defined circulation and can cause flooding from storm surge.
Dr. Lightning's Guide to the Science of Lightning
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Tornadoes
Tornadoes form from thunderstorms when warm, moist air meets cool, dry air, creating instability. A change in wind direction and increasing speed with height causes horizontal spinning in the lower atmosphere. Most tornadoes form in an area of the central US known as "Tornado Alley" from Texas to Illinois, where conditions are optimal for tornado formation. Tornadoes can occur any time of year but peak seasons are March-May in the South and summer in the North, with a secondary peak in the South in fall.
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Thunder lightning (describe)
- 1. THUNDER LIGHTNING THUNDER LIGHTNING DEFINITION DESCRIPTION The prosses of Thunder Lightning Characteristics of the arrival of Thunder Lightning Result of Thunder Lightning O F Thunder Lightning
- 2. Definition of Thunder Lightning Thunder Lightning is a natural phenomenon that usually appears during the rainy season where the sky appears momentarily blinding flash of light and a few moments later , followed by a thunderous sound
- 3. The Prosses of Thunder Lightning The first is the compression of electric charge in the cloud in question will accumulate at the top of the cloud is a negative electric charge . in the center is positively charged electricity , while at the bottom is the negative charge that blend with the positive charge . At the bottom of this lightning occurs
- 4. The Prosses of Thunder Lightning Thunder Lightning can occur between : 1. Cloud by cloud 2. In the cloud it self 3. Cloud into the air 4. Cloud to ground (earth)
- 5. Characteristics of the Arrival of Thunder Lightning 1. The sky suddenly became dark with the wind coming so fast 2. Towering clouds that resemble cauliflower and gray-colored 3. The air was stuffy
- 6. Result of Thunder Lightning 1. Can cause a fire 2. Can cause death 3. Damage to electronic equipment