20
Feb
Where Do Dust Storms Come From. They observed and examined on-site the ecological environment of places of origin for sand-dust storms and tried to find out causes of sand-dust storm and what harm it can cause in the hope of preventing and treating sand-dust storms in a more scientifically feasible way. Some of the most famous dust storms of the Dust Bowl and similar conditions later were in fact synoptic scale events typically generated by a strong cold frontal passage with 14 April 1935 911 May 1934 19 February 1954 and 11 November 1911 being particularly vivid examples. They are usually caused by thunderstorms or strong pressure gradients associated with cyclones which increase wind speed over a wide area. The immediate economic impact of dust storms is significant but it doesnt rival major natural disasters that destroy entire cities.
A giant storm of dust and sand from Africas Sahara is heading towards the Gulf of Mexico according to satellite images. Large global dust storms put enough dust in the air to completely cover the planet and block out the sun but doing so ultimately dooms the storm itself. In most Martian years nearly twice as long as Earth years the storms dissipate. Strong northerly winds are causing dust storms in parts of the state. There in camel-colored wisps thousands of miles long the dust. Decades of Mars observations show a pattern of regional dust storms arising in northern spring and summer.
Scientists know to expect big dust storms on Mars but the rapid development of the current one is surprising.
They are usually caused by thunderstorms or strong pressure gradients associated with cyclones which increase wind speed over a wide area. There in camel-colored wisps thousands of miles long the dust. He said The Saharan Air Layer is essentially a huge dust storm that can be the size of the continental United. For instance the damage due to dust storms in China averages at about 65 billion per year source. It begins in the Sahara where wind storms levitate enormous plumes of desert dust thousands of feet above the surface of the Earth. FordA single major earthquake can do damage to the tune of five times that figure.