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3
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A localised, very intense low-pressure wind system, forming over tropical oceans and with winds of hurricane force.
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5
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Is a naturally occurring event that might have a negative effect on people or the environment
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9
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the presence in or introduction into the air of a substance which has harmful or poisonous effects.
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10
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A prolonged period of abnormally low rainfall, leading to a shortage of water.
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11
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A violent squall or whirlwind of small extent, as one of those occurring during the summer on the west coast of Africa.
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12
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A storm with thunder and lightning and typically also heavy rain or hail.
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13
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a change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
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15
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a violent disturbance of the atmosphere with strong winds and usually rain, thunder, lightning, or snow.
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1
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the occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground or within a cloud, accompanied by a bright flash and typically also thunder.
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2
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pellets of frozen rain which fall in showers from cumulonimbus clouds.
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3
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Humid or muggy conditions, which add to the discomfort of high temperatures, occur when a 'dome' of high atmospheric pressure traps hazy, damp air near the ground.
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4
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atmospheric water vapour frozen into ice crystals and falling in light white flakes or lying on the ground as a white layer.
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6
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the condensed moisture of the atmosphere falling visibly in separate drops
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7
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the perceptible natural movement of the air, especially in the form of a current of air blowing from a particular direction.
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8
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a thick cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface which obscures or restricts visibility
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14
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a danger or risk.
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