Rain and Flooding

The main reason why the 2010-2011 floods happened in Australia is, quite simply, because of the unusual amount of rain.

Australia spends many years in drought, often caused by the El Niño effect. When an El Niño occurs, changes in sea surface temperatures cause a shift in air pressure which, in turn, can result in climatic anomalies, such as severe droughts in Australia. These years are punctuated by years of normal rainfall, but occasionally, Australia gets the opposite to an El Niño, which is La Niña. This means that weather conditions, etc, are in reverse to those seen during El Niño, and Australia experiences far more rain than usual.

Australia had been coming out of an El Niño for some time, which means that many parts of Australia had seen gradually increasing rainfall. The rainfall recorded in September 2010 made it Australia's wettest month overall in 110 years. Queensland already experienced flooding in early 2009 (at the same time that southern Australia had the terrible Black Saturday bushfires), and higher than normal rainfall in 2010, increasing towards the end of the year. By then, the ground was simply too saturated to hold any more water. Add to that the effects of the cyclone which crossed the north Queensland coast at Christmas time, bringing excessive rainfall to north and central Queensland, and the ground was waterlogged. (A similar pattern led to the Brisbane floods of 1974.)

This cyclone brought large amounts of rainfall right along the coast. Some of the water runoff from the north flowed down through the inland river system; some of the rainfall fell into the catchment areas of coastal rivers further south. The rivers broke their banks more easily, and there was nowhere for the excess water to go.

Rain continued to fall heavily throughout early January. On 10 January 2011, Toowoomba, a city which sits at an elevation of 700m at the top of the Great Dividing Range, received 150 mm of rain within a 40 minute period. The ground could not hold any more water, and the waters from the escarpment at the top of the range rushed in a torrent down the range, creating a wall of water, a 7m high inland "tsunami", that rushed through Lockyer Valley to the catchment areas of the main dam that protects the city of Brisbane from flooding, sending its capacity to 190%. The gates had to be opened, sending the equivalent of two Sydney Harbour's worth of water into the Brisbane River each day. This is largely why Brisbane and Ipswich flooded. An inquiry into the release of water from Wivenhoe is underway.

Many of the river systems further west which were affected by the flooding which had occurred regularly through December and January feed into the Darling River, which then leads to the Murray River. The Darling River catchment, and catchments east of this, received more rainfall than its capacity can take, and as the floodwaters moved downstream, communities in New South Wales, western Victoria and South Australia were affected as well.

This will depend on how cold it is, but on average 10 inches of snow = 1 inch of rain, so 0.15 inches of rain = 1.5 inches of snow. It could be less than in inch of wet snow, or more than 2 inches of powder, however.

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Flood water can saturate the ground, leading to soil erosion and loss of nutrients. It can also compact the soil, reducing its ability to absorb water in the future. Additionally, flood water can carry contaminants and pollutants that may negatively impact soil quality.

The movement of water from Earth's surface to the atmosphere and back again is called the water cycle, also known as the hydrological cycle. It involves processes like evaporation, condensation, precipitation, and runoff, helping to distribute water across different regions of the planet.

Water that does not seep into the ground is called surface water. This can include bodies of water like lakes, rivers, and streams.

Yes, they deliver no matter what the conditions are! They wanna make their customers happy! (:

A period of extended lack of rainfall is referred to as a drought. Droughts can have negative impacts on agriculture, water supply, and the environment, leading to crop failures, water shortages, and wildfires. Mitigating the effects of drought often involves water conservation efforts and implementing sustainable water management practices.

The floods in Cumbria typically occur during the autumn and winter months when heavy rainfall causes rivers to swell and overflow. The most significant recent flooding in Cumbria took place in December 2015, affecting many communities and causing widespread damage.

Thunderstorms can create a number of hazards that can kill or injure people. Te most ovbvious is lightning, which injures dozens of people every year. Lighting can also spark dangerous fires. Heavy downpours frm thunderstorms can cause flooding, which is another common cause of weather-related death and injure. Severe wind gusts can topple trees, send light objects flying, and knock down power lines. Related to wind, some thunderstorms produce tornadoes. Some severe thunderstorms can produce hail, which can injure those caught in it, and has even been deadly in a few instances.

Phil Spector. The song comes on with a battery salvo of l05mm howizers, with long recoil echo effect. Song deals with wartime separation angst, but cagily does not mention war, combat etc. Big guns do the talking!

When rain falls on slippery ice, it creates a layer of water on top of the ice, making the surface even more slippery. This increases the risk of accidents and falling for pedestrians and drivers. It is advisable to exercise caution and avoid traveling on icy surfaces during rainy conditions.

The time it takes for water to evaporate from the surface of the Earth and return as precipitation can vary, but on average, the process of water stored in glaciers and ice caps melting and eventually reaching the ocean can take the longest in the water cycle.

Yes, Mitchelton, a suburb in north-west Brisbane, was affected by the major floods that occurred in 1974. The floods caused widespread damage and destruction in various parts of Brisbane, including Mitchelton.

Water moves from the atmosphere in the form of clouds in precipitation. This can include rain, snow, sleet, or hail, depending on the temperature and conditions in the atmosphere. The water then falls to the Earth's surface due to gravity.

Thunder is sound waves. Sound waves hit us all of the time. If you mean lightning, then you would be toast... literally!

thunder is the sonic boom produced by lighting so depending on how close you are to the lightning strike if you're close enough it can lead to temporary deafness or worse.

Most rainfall on Earth ends up flowing into rivers, lakes, and oceans before evaporating back into the atmosphere to become rain again in a continuous cycle known as the water cycle.

because of their crops and landforms

Rain? Really? Of course its Rain, its called Precipitation!

umbrella or raincoat to stay dry and protect yourself from getting wet.

implement sustainable land-use practices, like creating green spaces and wetlands to absorb excess water and prevent runoff. Additionally, maintaining and improving drainage systems, as well as regulating development in flood-prone areas, can help reduce the risk of flooding. Public education and awareness campaigns can also encourage responsible water management practices among the community.

nutrients, heat, and water around the globe, helping to regulate Earth's climate and maintain ecosystem health. This circulation, driven by factors such as wind, temperature, and salt concentration, plays a vital role in distributing resources and supporting marine life.

In the 2011 flood in Australia, 22 people died.

Urbanisation is part of why there are floods happening because when it floods the water cannot go through the concrete because it is an impermeable material, therefore it causes a flood because the water has nowhere to go. Also when there is deforestation because of urbanisation there are no trees to take in the water so it results in a flood.