Sentences with phrase «strong updrafts»
The phrase "strong updrafts" means powerful rising currents of air. Full definition
In cumulonimbus clouds during conditions where graupels are repeatedly wetted and then injected back toward high altitudes by strong updrafts, very large graupels called hail result.
britannica.com
Fire whirls arise when superheated air above a wildfire drives strong updrafts and downdrafts that get sheared by the wind, causing them to twist into a vortex that funnels flames upward.
If strong updrafts of wind make that altitude separation big enough, an electric current flows to cancel out the difference in charge.
She found high levels of DCM (PDF), especially over the Indian subcontinent and Southeast Asia, and particularly during the Asian monsoon season, when strong updrafts fast - track air from the ground to the stratosphere.
In the western U.S., the model predicts fewer storms with strong updrafts overall, but about 25 % more of the strongest storms (Fig. 3).
As CO2 increases the land surface warms, making stronger updrafts that are more likely to produce lightning.
The birds ride on the strong updrafts under cumulus clouds in the open ocean to gain altitude.
Unlike other birds, most of which avoid clouds because of their turbulence, frigatebirds seem to seek them out to ride on the strong updrafts under cumulus clouds in the open ocean to gain altitude.
This would seem to prevent the firestorm from spreading on the wind, but for the fact that tremendous turbulence is also created by the strong updraft which causes the strong surface inflow winds to change direction erratically.
«Almost all lightning occurs in clouds that have ice, and where there's a strong updraft.»
Obviously the heaviest precipitation and strongest updrafts are on the northern side of the storm evidenced by the radar signature at the surface and strong in - cloud echoes extending to or through the tropopause.»
A steady, cooling breeze from the ocean pushes a strong updraft along the seaside cliffs.
In general, clouds with more ice, and thus lower brightness temperatures, are more likely to produce lightning and to have moderate to strong updrafts and precipitation.
A more conservative estimate that just accounts for climate changes in instability in the lower to middle troposphere finds that on average, although thunderstorms will have stronger updrafts, wind shear that is more often below the threshold for severe storm behavior will dominate [5].
According to the Frontier Plus» Kickstarter page, the flue is (a relatively large) 4 inches in diameter, which gives it a stronger updraft to vent out fumes.