Emergency Services Information First responders for Fire, EMS, towing, LEO, Police, First Response Departments, ambulance & Organizations Hub911.com
An incredible roll cloud dominates the skies above the photographer's house in Australia. Roll clouds ocurr ahead of storm fronts The roll cloud is a subtype of arcus cloud - the funnel is horizontal and does not connect to the ground.The other subtype of arcus is a shelf cloud, which also often appear to precede storm fronts.
Tunnel vision: Amazing cloud has a starring roll in the sky
Astronomers Robert Nemiroff and Jerry Bonnell, said: 'These rare long clouds may form near advancing cold fronts. 'In particular, a downdraft from an advancing storm front can cause moist warm air to rise, cool below its dew point, and so form a cloud. 'When this happens uniformly along an extended front, a roll cloud may form. via Claire Bates, dailymail.co.uk #Roll_Cloud #NASA #dailymail 'Roll clouds may actually have air circulating along the long horizontal axis of the cloud.'
Tunnel vision: Amazing cloud has a starring roll in the sky
Astronomers Robert Nemiroff and Jerry Bonnell, said: 'These rare long clouds may form near advancing cold fronts. 'In particular, a downdraft from an advancing storm front can cause moist warm air to rise, cool below its dew point, and so form a cloud. 'When this happens uniformly along an extended front, a roll cloud may form. via Claire Bates, dailymail.co.uk #Roll_Cloud #NASA #dailymail 'Roll clouds may actually have air circulating along the long horizontal axis of the cloud.'
We think you’ll love these