What is the primary cause of wind?
Wind is caused by differences in atmospheric pressure due to uneven heating of the Earth's surface.
Which cloud type is most likely to produce thunderstorms?
Cumulonimbus clouds are large, vertically developed clouds associated with thunderstorms and severe weather.
What is the term for the boundary between two different air masses?
A front is the transition zone between two air masses with different temperature and humidity characteristics.
What weather phenomenon is most hazardous to glider pilots due to sudden downdrafts?
Microbursts are intense, localized downdrafts that can cause rapid altitude loss and are extremely dangerous for gliders.
What does a rising barometric pressure typically indicate?
Rising pressure usually means improving weather conditions, while falling pressure suggests worsening weather.
What is the most critical weather factor for thermal lift generation?
Solar heating of the ground creates thermals, which are essential for glider pilots to gain altitude.
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Which wind condition is most favorable for ridge soaring?
Ridge soaring requires consistent wind perpendicular to a ridge or mountain slope to create lift.
What is the dew point?
The dew point is the temperature at which air becomes saturated, leading to condensation (e.g., fog or dew).
What weather condition is indicated by lenticular clouds?
Lenticular clouds form in mountainous regions and indicate strong, turbulent winds aloft.