The lifting mechanism pushes the moist air upward to a point in the atmosphere where the thinner air can no longer hold the moisture, at which time precipitation forms and falls to the ground.
On a starry night 55 years ago, deep in a remote forest of northern India, a 4-year-old boy nicknamed "sher baccha" (Hindi for "tiger cub") rode safely in the arms of his father, who carried him into the moist air.
Scientists have speculated that when the warm, moist air over the lake meets the cool winds coming from the mountains, it creates storm clouds that produce the lightening.
Tangential entries cause the warm moist air to spin as it rises forming an anchored convective vortex.
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The cloud characteristics included differences in the ease with which moist air in the tropics travels into the upper atmosphere, the speed with which raindrops fatten and the level of humidity required for clouds to form.
At sea, periodic El Nino disturbances in the Pacific create moist rising air and thunderstorms, which can affect the weather thousands of kilometres away.
Jia, working with the cinematographer Yu Wiklai, is incapable of an ugly or unresonant image: the air seems moist and palpable, and even the thick, rusted pipes of derelict factories appear to breathe.
Tornadoes are most likely when exceptionally cold, dry air plunges south to violently clash with warm, moist air originating in the Gulf of Mexico.
The thunderstorm developed in an area where warm moist air rose into cooler air.
San Antonio's previous record flooding in 1998 was devastating, caused by heavy rains throughout south Texas and by a plume of moist air from Hurricane Madeline off the Mexican west coast.
San Antonio's previous record flooding in 1998 was devastating, caused by heavy rains throughout south Texas and by a plume of moist air from Hurricane Madeline off the west coast of Mexico.
But while most people know that mold thrives in poorly ventilated and moist environments and indoor smoking worsens the air quality, fewer consumers know that toxic chemicals also lurk in everyday products purchased at the grocery store.
Meteorologists were blaming the nor'easter on the collision of two storm systems: cold air traveling south from Canada bumping into a moist low pressure system heading north from the Carolinas.
I've flipped thousands of those light-as-air, moist and slightly tart pancakes over the years, and they still have a hold on me.
Continuing cool, moist air significantly reduced fire activity and helped firefighters build containment lines around the 44-square-mile fire at the western end of the Santa Monica Mountains.
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