Strong winds blowing over loose soil or sand causes sandstorms. During a sandstorm, so much material is picked up by the winds that visibility is greatly reduced. Heating of the air over the desert causes instability in ... More » Science Weather & Tides Storms

Other words for sandstorm include dust storm, sand spout and sand column. A sandstorm is defined as a windstorm or a strong wind, typically in a desert, that blows large clouds of sand or dust. More » Science Weather & Tides Storms

Dust storms begin as winds lift small particles of dry, loose soil into the air. While larger particles often fall back to the ground quickly, smaller ones can stay aloft for days. These small particles often travel thou... More » Science Weather & Tides Storms
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Black Sunday is widely considered to be one of the worst sandstorms in history. It occurred on April 14th, 1935 during the American Dust Bowl and displaced more than 300,000 tons of soil from the prairies of the plains s... More » Science

Gale force winds are 34 to 40 knots on the Beaufort wind scale. Strong gale force winds are 40 to 47 knots. Winds above 47 knots and below 64 knots are storm winds. Sixty-four knots and above are hurricane force winds. N... More » Science Weather & Tides Storms

Different factors led to the formation of Hurricane Mitch, including rising sea temperatures, low pressure and increasingly stronger winds. Hurricane Mitch formed over the Caribbean Sea and struck Central America in 1998... More » Science Weather & Tides Storms

Sea breezes and land breezes are two types of local winds. Sea breezes blow from water to the shore while land breezes blow from the shore to the water. More » Science Weather & Tides Storms