Caption: Timelapse footage of microbursts causing strong winds at the surface. The microbursts are fast-descending parcels of cold air, which spread out when they reach the ground, causing diverging winds. Here, they are triggered by virga, precipitation that evaporates before it hits the ground. The evaporation cools the air, making it denser, which speeds its fall to the ground. Microbursts pose a severe hazard to aircraft. Filmed in Colorado, USA, in spring.

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Keywords: 10 seconds or greater, afternoon, america, american, cloud, clouds, cloudscape, cloudscapes, cloudy, cumulonimbus, day, day time, downburst, lockdown, locked off, meteorological, meteorology, microburst, movement, moving, no-one, nobody, north america, outdoors, outside, overcast, rain, rain cloud, raincloud, skies, sky, skyscape, skyscapes, sped up, speeding up, spring, static, time lapse, time-lapse, timelapse, united states, united states of america, usa, virga, weather, wide shot, wind shear, windshear

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Microbursts, timelapse

K003/7340 Royalty Free

Downloadable master

Duration: 00:00:19.25

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 699.8M


Capture format: DVCPRO HD

Frame size: 1280x1080

Codec: DVCPRO HD 1080i60

Interlaced: Yes

Please contact Science Photo Library if you require the original, or other formats.


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