this picture of a tornado was taken in Florida.
Wildfires: A wildfire is any uncontrolled, non-structure fire that occurs in the wilderness, wild land, or bush Other names such as wild land fire, forest fire, brush fire, vegetation fire, grass fire, peat fire, bushfire,(in Australasia and hill fire are commonly used. The name wildfire was once a synonym for Greek fire as well as a word for any furious or destructive conflagration.
Wildfires are common in various parts of the world, occurring in cycles. They are often considered beneficial to the wilderness, as many plant species are dependent on the effects of fire for growth and reproduction. However, large wildfires often have detrimental atmospheric consequences. Nine out of ten wildfires are reportedly caused by some human interaction; others are caused by natural events such as lightening strikes, volcanic discharges, etc.
Wildfires differ from other fires only by their extensive size; the speed at which it spreads out from its original source; its ability to change direction unexpectedly; and to jump gaps, such as roads, rivers and fire breaks. Wildfires generally do not involve properties; however, with extensive urbanization of wilderness, they can cause extensive destruction of homes and other property located in the wild land-urban interface, a zone of transition between developed areas and undeveloped wilderness.
The strategies of prevention, detection, and suppression strategies have varied over the years, but now incorporate techniques that permit and even encourage fires in some regions as a means of mini mising or removing sources of 'fuel' from any wildfire that might develop.
Tsunami:
On the morning of December 26, 2004 a magnitude 9.3 earthquake struck off the Northwest coast of the Indonesian island of Sumatra. The earthquake resulted from complex slip on the fault where the oceanic portion of the Indian Plate slides under Sumatra, part of the Eurasian Plate. The earthquake deformed the ocean floor, pushing the overlying water up into a tsunami wave. The tsunami wave devastated nearby areas where the wave may have been as high as 25 meters (80 feet) tall and killed nearly 300,000 people from nations in the region and tourists from around the world. The tsunami wave itself also travelled the globe, and was measured in the Pacific and many other places by tide gauges. Measurements in California exceeded 40 cm in height, while New Jersey saw water level fluctuations as great as 34 cm. Eyewitness accounts, photos, and videos provided unprecedented documentation of the event.
By arif Patel 9h:
