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Wildfire starts when the hot sunlight is pointed to wood and starts a fire it also starts from human activity, it can spread 10.8 kph, its one of the worst disasters that can happen because it only doesn't effect us it also effect the Earth how? It destroys trees which makes less materials also release carbon dioxide and it damages the earth, makes climate changes it also destroys homes of people its called Domino Effect. You might ask why do they exist well fire is common sun is what makes it happen by releasing heat to earth and the earth is keeping that heat in our atmosphere which makes it hotter and start fires in some areas its a simple answer if fire exist wildfires exist. Fires uses wood as their fuel which release intense heat it makes it can reach high areas. They stop big forest fires by using special air crafts such as air tankers they fly over the forest and dump a large amount of fire retardants which is made out of chemicals such as foam and ammonium phosphate, if the fire just has started they put it out by fire-fighters using water. The biggest wildfire that ever happend was in New Mexico and Arizona both reaching  788 square miles. Fires mostly occur in Northern West and South East. The most dramatic wildfires that has been shown or taken pictures are Fort McMurray  and the Fire Tornado in St. Albert

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https://www.google.ca

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https://www.google.ca

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https://www.thehartford.com/resources/home/wildfire-safety
Before a Wildfire

Know your risk. Do some research and learn how often wildfires occur in your area. Find out when there is the greatest risk and take wildfire safety precautions.

Evaluate your surroundings. If you're in an area with a high risk for fire, examine the landscaping around your house. Move plants or trees that are too close to your house or burn easily.

Clear dead plants away from your house. Dead grass and plants are easily flammable and should be cleared at least 50 feet away from your house.

Install smoke alarms in your house. Make sure you test the alarms periodically to ensure they are working properly.

Put together an emergency kit. Your kit should include first aid supplies, blankets and any personal items you may need (medications, toiletries, clothing). If you have pets, make sure they also have adequate supplies.

Decide in advance what you will take with you. Keep personal belongings to a minimum and only take what you absolutely must have. If you have to leave immediately for safety reasons leave everything behind.

Create an emergency plan. Planning in advance how you will protect your house and how you will evacuate if necessary can help minimize injury and damages. Choose a meeting place away from your home for family members to gather in case you are not together when a fire happens. Designate a neighbor to evacuate your pets in case you are not able to get home during a fire.

If a Wildfire Is Approaching

Prepare to evacuate. Listen to emergency channels and know the status of the fire. Put emergency supplies and must-have items in the car so you can evacuate quickly. Evacuate immediately if told to do so.

Protect your property. If you have time, use a hose to wet down your house, the roof and the surrounding area. Turn off the gas in the house.

After a Wildfire

Return only after it is safe. Do not go back to your house until officials declare it safe to do so.

Watch out for ash pits and hot spots. Even after a fire has been extinguished, small fires can flare up without warning. Check your house and surrounding property for hot spots and extinguish them immediately. Also watch out for ash pits-holes full of hot ashes left by burned trees. Mark off ash pits so no one falls into them and injures themselves.

Document the damage to your house. Take photos and video and make a written list. You will need this documentation for insurance purposes.

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Forest fire is common in places around the world where climates are moist enough to allow the growth of trees and shrubs, but have extended dry, hot periods. The most noted areas on Earth for wildfire include the vegetated areas of Australia, Western Cape of South Africa and throughout the dry forests and grasslands of North America and Europe.

Wildfires in forests and grasslands in North America are particularly prevalent in the summer,  fall and winter, especially during dry periods with an increase in dead fuels and high winds. That period of time is called the wildfire season. Western U.S. fires tend to be more dramatic during summer and fall while Southern fires are hardest to fight in late winter and early spring when fallen branches, leaves, and other material dry out and become highly flammable.

Because of urban creep into existing forests, forest fires can often lead to property damage and has the potential to cause human injury and death.

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Support that is available for affected communities by Wildfires By-Karl                                                           https://support.savethechildren.ca/emergency---fort-mcmurray-fire?gclid=CLaF5dD45dACFRK1wAod5RAGhg

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Support that is available for affected communities by Wildfires By-Karl                                                           https://support.savethechildren.ca/emergency---fort-mcmurray-fire?gclid=CLaF5dD45dACFRK1wAod5RAGhg

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Children are the most vulnerable during emergencies, that’s why Save the Children deployed staff to Edmonton to help minimize the impact of the disaster. We provided the necessary supplies for the safety and wellbeing of children, including hygiene kits, pop-up kits, baby baths, and clothes for newborns, in addition to the creation of Child Friendly Spaces. A Child Friendly Space or CFS is a critical component to providing support to children and families in temporary locations following a disaster.

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The effects of wildfires are numerous and wide-ranging. They can have significant impacts on the economy, environment, heritage and social fabric of rural areas.

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Canada’s $6.9 Billion Wildfire Is the Size of Delaware—and Still Out of Control

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Canada’s $6.9 Billion Wildfire Is the Size of Delaware—and Still Out of Control

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by-pranav  http://www.bloomberg.com/features/2016-wildfire-fort-mcmurray/

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by-Pranav

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What Causes Wildfires? | Earth Unplugged

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The disadvantages of wildfires are that they can destroy homes, lives, and millions of acres of forest. The aftermath of a fire can sometimes be worse than the fire itself. Fires burn trees and plants that prevented erosion. If heavy rains occured after a fire there would be landslides, ash flows, and flash flooding that can damage property and affect the water supply.

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Some advantages of wildfires are that they consume vegetation that would otherwise become overgrown, creating ideal conditions for a catastrophic wildfire. Wildfires allow more open spaces for new and different kinds of vegetation to grow and receive sunlight. It provides fresh nutrients and shelter for forest plants and animals. Wildfires also keep our forests healthy by consuming harmful insects and diseases.

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       How much area it affects-Taha                                                      

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       How much area it affects-Taha                                                      

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More than 100,000 wildfires, also called wild land fires or forest fires, clear 4 million to 5 million acres (1.6 million to 2 million hectares) of land in the U.S. every year. In recent years, wildfires have burned up to 9 million acres (3.6 million hectares) of land. A wildfire moves at speeds of up to 14 miles an hour (23 kilometers an hour), consuming everything—trees, brush, homes, even humans—in its path.

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Diagram of how wildfire start,spread and are fought

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Diagram of how wildfire start,spread and are fought

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By-Karl
http://www.markfranklinarts.co.uk/wildfire/

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How wildfires start, spread and are fought.

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By-Karl
https://www.theguardian.com
The police investigated that the wildfire in Alberta was  a result of human activity, The police believed this is the caused because the fire starts to a  place popular to the outdoor enthusiasts,some of the potential human activities that leads to the starts of the fire are campfires left attended ,so the police are asking someone who was there  in the days before the wildfires starts.

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The wildfire that raged through northern Alberta and forced the frantic evacuation of more than 90,000 people was probably caused by humans, the Royal Canadian Mounted Police said on Tuesday.

After more than six weeks of investigation, police have determined the fire did not start naturally. "Wildfire investigators for the province of Alberta have established that the fire was most likely the result of human activity, having ruled out lightning as a probable cause," the RCMP said in a statement.

Investigators are now exploring whether the cause is linked to any sort of criminal offence. The fire was sparked on 1 May near a wilderness area popular with outdoor enthusiasts and police are asking anyone who was there in the days before the fire to come forward.

Potential causes linked to humans, said Travis Fairweather of Alberta Wildfire, include campfires left unattended, debris caught in recreational vehicles and downed power lines. "We're not ruling out any possibilities."

He said it was too early to speculate on the consequences that could emerge after the investigation. "Within the Forest Protection Act you can be held accountable for the cost of putting out a wildfire, which, with a wildfire of this magnitude, could be a very high cost," he said. "But that's not an avenue they go down unless they think it was some real negligence on that person's part."

Authorities are also investigating what he described as "incendiary" causes, ranging from playing with matches to setting off fireworks to arson. If evidence is found to suggest the fire was deliberately set, the RCMP could pursue charges.

The fire was first spotted by an airborne forestry crew about nine miles south-west of Fort McMurray, a town of some 90,000 people in the heart of Alberta's oil sands.

Dry conditions, unseasonably hot weather and shifting winds quickly transformed the blaze from one that was largely in control to a "nasty, ugly" inferno, in the words of the local fire chief, sending it swelling from about 1,200 hectares in size to its current size of nearly 590,000 hectares.

As it grew, its flames breached Fort McMurray's city limits, prompting the hurried evacuation of the burning city. Residents jumped in their cars - often with little more than the clothes on their backs - only to be trapped in gridlocked traffic as flames licked the highway.

"It was something out of a movie," resident Erica Decker said after the evacuation. "It was absolutely apocalyptic, there were vehicles stranded everywhere, the sky was black and orange, there were so many people trapped."

After some 45 days of firefighting, authorities in Alberta said this week that crews had finally managed to gain the upper hand against the fire and had managed to halt its spread. Depending on weather conditions, it could take another month or two before the wildfire is completely contained and extinguished.

Earlier this month, the thousands of residents displaced by the fire began re-entering the city, starting the sluggish process of rebuilding their lives amid the rubble. The blaze destroyed about 10% of the city's homes.

Oil sands projects in the region have slowly began ramping up production again, after the fire forced more than 1m barrels a day of oil sands production offline at one point.
Topics

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Devastating Alberta wildfire 'probably started by human activity', police say

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The wildfire that raged through northern Alberta and forced the frantic evacuation of more than 90,000 people was probably caused by humans, the Royal Canadian Mounted Police said on Tuesday. After more than six weeks of investigation, police have determined the fire did not start naturally.

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Humans and wildfire .As many as 90% of wild land fires in the United States cause by humans.Some humans-caused fires result from campfires left unattended,burning of debris,negligently discarded cigarettes and intentional acts of arson.The remaining percents are started by lightning or lava.(www.nps.gov)

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by-Pranav

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BY-Pranav & Karl

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Tells all about Wildfires

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What is a wildfire?
A wildfire also known as a wildland fire, forest fire, vegetation fire, grass fire, peat fire, bushfire (in Australia), or hill fire is an uncontrolled fire often occurring in wildland areas, but which can also consume houses or agricultural resources. Wildfires often begin unnoticed, but they spread quickly igniting brush, trees and homes.

What causes a wildfire?
Common causes of wildfires include lightning, human carelessness, arson, volcano eruption, and pyroclastic cloud from active volcano. Heat waves, droughts, and cyclical climate changes such as El Niño can also have a dramatic effect on the risk of wildfires. Although, more than four out of every five wildfires are caused by people.

Where can wildfires occur?
Wildfires can occur anywhere, but are common in the forested areas of the United States and Canada. They are also susceptible in many places around the world, including much of the vegetated areas of Australia as well as in the Western Cape of South Africa. The climates are sufficiently moist to allow the growth of trees, but feature extended dry, hot periods. Fires are particularly prevalent in the summer and fall, and during droughts when fallen branches, leaves, and other material can dry out and become highly flammable. Wildfires are also common in grasslands and scrublands.

What are the Santa Ana winds?
The Santa Ana winds are hot, dry winds that aggravate the fire danger in forests and bush lands. These winds characteristically appear in Southern California and Northern Baja California weather during autumn and early winter. In southern California, under the influence of Santa Ana winds, wildfires can move at tremendous speeds, up to 40 miles in a single day, consuming up to 1,000 acres per hour. Dense clouds of burning embers push ahead of the flames crossing firebreaks without a problem.

What is a fire tornado?
A fire tornado or fire whirl is just a tornado made of fire. It happens when certain conditions (depending on air temperature and currents), acquires a vertical vorticity and forms a whirl, or a tornado-like effect. Fire tornadoes may be whirlwinds separated from the flames, either within the burn area or outside it. A fire tornado can make fires more dangerous.

How do firefighters put out the wildfires?
Firefighters use a tool known as a pulaski. Its a combination of an ax and hoe used to dig a fireline. A fireline is a strip of land from which all brush and debris have been cleared to rob a wildfire of its fuel. Firefighters also use hotshots and smoke jumpers to clear a large path in a big circle around the fire so the blaze is contained in a ring of dirt. When the fire reaches this area, it runs out of fuel and starves to death. If the fire is too large, however, planes and helicopters fly overhead, dropping water and special chemicals that smother the flames. This pink, fire-retardant chemical is called sky jell-o.

Click Here to get the latest wildfire information.

Click Here for to get more wildfire information.

Click Here to see if there has been any recent wildfire activity across the U.S.

SURFACE FIRES - The most common type of wildfires, surface fires move slowly and burn along the forest floor, killing and damaging vegetation.

GROUND FIRES - These are usually started by lightning, ground fires burn on or below the forest floor through the root system.

CROWN FIRES - These fires spread by wind moving quickly along the tops of trees.

SANTA ANA WINDS - "Santa Ana" is the name given to the gusty northeast or east wind that occurs in Southern California during the fall and winter months. Santa Ana winds are often hot and very dry, greatly aggravating the fire danger in forests and bush lands.

CONFLAGRATION - A large and destructive fire, typically aggravated by strong winds that carry firebrands over natural or artificial barriers.

Click Here to learn about more wildfire facts!

BEFORE A WILDFIRE: Have a disaster plan. Know whether you're in a wildfire prone area. Plant fire resistant shrubs and trees around your home. Have a garden hose that is long enough to reach around your home. Prepare a disaster supplies kit for your home and car. Include a first aid kit, canned food and a can opener, bottled water, battery-operated radio, flashlight, protective clothing and written instructions on how to turn off electricity, gas, and water. Always listen to the radio and television for the latest information and instructions for your area.

DURING A WILDFIRE: If you're advised to evacuate then do so immediately. Wear protective clothing and lock your home. Tell someone you left and where you are going. Choose a safe route away from fire hazards. Watch for changes in the speed and direction of fire and smoke.

AFTER A WILDFIRE: Stay away from wildfire areas until it is safe.

Lesson Plan: Here is a great lesson plan on teaching students to have an escape plan if a fire threatens their home.

Science Fair Project Ideas: Here is a complete list of science fair project ideas. Discover the science behind the weather that impacts us every day.

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What is a wildfire? A wildfire also known as a wildland fire, forest fire, vegetation fire, grass fire, peat fire, bushfire (in Australia), or hill fire is an uncontrolled fire often occurring in wildland areas, but which can also consume houses or agricultural resources.

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A wildfire also known as a wild land fire, forest fire, vegetation fire, grass fire, peat fire, bush fire (in all of Australia), or hill fire is an uncontrolled fire often occurring in wild land areas, but which can also consume houses or agricultural resources.

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by-Kenrichh

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The fire that has devastated the Fort McMurray area is a rapidly shifting disaster that's driven tens of thousands from their homes. Here's a look at where it started, and how quickly it spread in just the first week:

To keep up with the latest details on mandatory evacuations, evacuation routes and where the shelters are, follow the Regional Municipality of Wood Buffalo ( @RMWoodBuffalo) for regular updates. There's also @511Alberta for updates on road closings and restricted travel. You might also want to check out ymmfire.ca or the Fort McMurray evacuees' open-source help page on Facebook.

Here's a live feed of various emergency services, government agencies and @YMMHelp, a crowdsourced resource for evacuees and those offering them shelter:

If you're an evacuee and haven't yet registered with the Red Cross, here's where you can do that.

If you're trying to find a loved one or need evacuation information, you can call the regional municipality at 780-762-3636 or the Red Cross at 1-888-350-6070.

Facebook also activated its safety-check feature for the Fort McMurray fire, an option for those who want to reassure their family and friends that they're okay.

The SPCA is asking pet owners who've left their animals behind to register online so they can be rescued. Here's the regional municipality's page for requesting an emergency pet rescue, and a crowdfunded map showing where lost animals have been reported.

Money: Click here to donate to the Red Cross. You can also donate $5 by texting "REDCROSS" to 30333. The Alberta and federal governments have said they'll match private donations to the Red Cross.

Supplies: Here's a crowdsourced Facebook page to connect Fort McMurray residents needing items with volunteers providing them.

Shelter: Airbnb has waived its service fees for those affected by the disaster. Here's where you can check in to offer or seek accommodation.

Volunteers: Those interested in volunteering through the regional municipality can apply here.

FIRE IN FORT MAC: MORE FROM THE GLOBE AND MAIL

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The Fort McMurray fire: Here's how you can help, and receive help

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The fire that has devastated the Fort McMurray area is a rapidly shifting disaster that's driven tens of thousands from their homes. Here's a look at where it started, and how quickly it spread in just the first week: To keep up with the latest details on mandatory evacuations, evacuation routes and where the shelters are, follow the Regional Municipality of Wood Buffalo ( @RMWoodBuffalo) for regular updates.

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Wildfire chart of levels

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What Causes Wildfires? | Earth Unplugged

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Another Video all about Wildfires