A warm air mass is characterized by().
A、stability
B、instability
C、gusty winds
D、good visibility
A、stability
B、instability
C、gusty winds
D、good visibility
A、pronounced local heating B、wind being pushed up a mountain C、a warm air mass rising over a cold air mass D、an increased lapse rate caused by advection of warm surface air
A、A.pressure changes in the air mass B、B.movement of the air mass C、C.the heterogeneous nature of the air mass D、D.upper level atmospheric changes
A、extremely cold air from shore passes over warmer water B、warm dry air from shore passes over cooler water C、cold ocean water evaporates into warm air D、cool rain passes through a warm air mass
A、Extremely cold air from shore passes over warmer water B、Warm dry air from shore passes over cooler water C、Cold ocean water evaporates into warm air D、Cool rain passes through a warm air mass
A、it is above 70°F B、the ground over which it moves is cooler than the air C、it originated in a high pressure area D、it originated in a low pressure area
A、air being warmed above the dew point B、saturation of cold air by rain C、a rapid cooling of the air near the surface of the Earth at night D、warm moist air being blown over a colder surface
A、A.air being warmed above the dew point B、B.saturation of cold air by rain C、C.a rapid cooling of the air near the surface of the Earth at night D、D.warm moist air being blown over a colder surface
A、A.as a mass of warm,humid air rises into the atmosphere and cools,condensing moisture into small droplets B、B.as winds blow across bodies of water,the sun causes the moisture to be absorbed and move upward forming clouds C、C.dry air compresses moisture from the atmosphere into clouds D、D.when the relative humidity of the atmosphere is low
A、rising air currents produced by the warm islands B、warm air from the sea rising over higher land areas C、cool land air mixing with warm sea air D、descending air over the islands