| Monikko | thermals |
(meteorology) A column of rising air in the lower atmosphere created by uneven heating of a planet's surface.
Example of a thermal column between the ground and a cumulus
(gliding, often in the present participle) To fly an unpowered aircraft in a thermal (column of rising air).
Bubble or vortex ring thermal model (left), and column or plume thermal model (right)
(meteorology) A column of rising air in the lower atmosphere created by uneven heating of a planet's surface.
Thermal cross section with stronger lift (rising air) in darker shades of green, while red is sink (descending air).