types:
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cloud
a visible mass of water or ice particles suspended at a considerable altitude
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air hole, air pocket, pocket
a local region of low pressure or descending air that causes a plane to lose height suddenly
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aurora
an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
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condensate, condensation
atmospheric moisture that has condensed because of cold
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front
(meteorology) the atmospheric phenomenon created at the boundary between two different air masses
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greenhouse effect, greenhouse warming
warming that results when solar radiation is trapped by the atmosphere; caused by atmospheric gases that allow sunshine to pass through but absorb heat that is radiated back from the warmed surface of the earth
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inversion
the layer of air near the earth is cooler than an overlying layer
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storm, violent storm
a violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightning
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atmospheric electricity
electrical discharges in the atmosphere
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midnight sun
the sun visible at midnight (inside the Arctic or Antarctic Circles)
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halo
a circle of light around the sun or moon
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meteor shower, meteor stream
a transient shower of meteors when a meteor swarm enters the earth's atmosphere
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sunrise
atmospheric phenomena accompanying the daily appearance of the sun
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sunset
atmospheric phenomena accompanying the daily disappearance of the sun
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afterglow
a glow sometimes seen in the sky after sunset
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atmospheric condition, conditions, weather, weather condition
the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation
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cirrocumulus, cirrocumulus cloud
a cloud at a high altitude consisting of a series of regularly arranged small clouds resembling ripples
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cirrostratus, cirrostratus cloud
a thin uniform layer of hazy cloud at high altitude
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cirrus, cirrus cloud
a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles)
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cloud bank
a layer of clouds seen from a distance
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condensation trail, contrail
an artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust
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cumulonimbus, cumulonimbus cloud, thundercloud
a dark cloud of great vertical extent charged with electricity; associated with thunderstorms
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cumulus, cumulus cloud
a globular cloud
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mother-of-pearl cloud, nacreous cloud
a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon
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nebule
a small cloud
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nimbus, nimbus cloud, rain cloud
a dark grey cloud bearing rain
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storm cloud
a heavy dark cloud presaging rain or a storm
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stratus, stratus cloud
a large dark low cloud
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aurora australis, southern lights
the aurora of the southern hemisphere
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aurora borealis, northern lights
the aurora of the northern hemisphere
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cold weather
a period of unusually cold weather
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sweat
condensation of moisture on a cold surface
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fair weather, sunshine, temperateness
moderate weather; suitable for outdoor activities
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firestorm
a storm in which violent winds are drawn into the column of hot air rising over a severely bombed area
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warm front
the front of an advancing mass of warmer air
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cold front, polar front
the front of an advancing mass of colder air
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occluded front, occlusion
(meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
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noreaster, northeaster
a storm blowing from the northeast
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hailstorm
a storm during which hail falls
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hot weather
a period of unusually high temperatures
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ice storm, silver storm
a storm with freezing rain that leaves everything glazed with ice
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elves
an acronym for emissions of light and very low frequency perturbations due to electromagnetic pulse sources; extremely bright extremely short (less than a msec) electrical flashes forming a huge ring (up to 400 km diameter) in the ionosphere
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blue jet, jet, reverse lightning
atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward
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lightning
abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light
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red sprites, sprites
atmospheric electricity (lasting 10 msec) appearing as globular flashes of red (pink to blood-red) light rising to heights of 60 miles (sometimes seen together with elves)
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thaw, thawing, warming
warm weather following a freeze, when snow and ice melt
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parhelic circle, parhelic ring, solar halo
a luminous halo parallel to the horizon at the altitude of the sun; caused by ice crystals in the atmosphere
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downfall, precipitation
the falling to earth of any form of water (rain or snow or hail or sleet or mist)
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rainstorm
a storm with rain
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blizzard, snowstorm
a storm with widespread snowfall accompanied by strong winds
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electric storm, electrical storm, thunderstorm
a storm resulting from strong rising air currents; heavy rain or hail along with thunder and lightning
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wave
a persistent and widespread unusual weather condition (especially of unusual temperatures)
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elements
violent or severe weather (viewed as caused by the action of the four elements)
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air current, current, current of air, wind
air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure
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windstorm
a storm consisting of violent winds
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atmosphere, atmospheric state
the weather or climate at some place
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good weather
weather suitable for outdoor activities
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bad weather, inclemency, inclementness
weather unsuitable for outdoor activities
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dew
water that has condensed on a cool surface overnight from water vapor in the air