The use of helicopters to mix the air and disperse radiation fog at airports is effective provided that
Answer: the fog is a shallow radiation fog with a relatively low liquid water content
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MET1010
- The merging of liquid cloud droplets by collision is called
- Which cloud would most likely produce drizzle?
- Large raindrops fall ____than smaller raindrops, and have a ___ terminal velocity than small raindrops.
- Which cloud type below will only produce precipitation by the collision-coalescence process?
- Which of the following is NOT an important factor in the production of rain by the collision-coalescence process?
- Condensation onto hygroscopic nuclei is possible at relative humidities less than 100 percent due to the:
- Which statement below best describes the curvature effect?
- Stratus clouds are typically puffy and form by convection.
- Which of the following clouds are almost always composed of ice crystals?
- Which two clouds can produce precipitation?
- In order to be effective, fog lamps on cars should be directed:
- Suppose two unsaturated air masses mix horizontally. The resulting mixture cannot possibly be saturated
- Upslope fog forms because air ___ as it flows up a hill or mountain range.
- Suppose two ocean currents with different temperatures are flowing next to one another. If the wind blows perpendicular to the currents, we would expect to find:
- Advection fog is often observed along the Pacific coast during summer, as westerly winds carry moist air toward the shore. The fog forms because the surface water near the coast is ____then surface water farther offshore.
- Stratus and high fog are:
- When fog is "burning off," the cloud droplets are preventing solar radiation from reaching the ground.
- In hilly areas, cold air typically collects:
- Radiation fog typically forms on:
- On humid days, salt in saltshakers sometimes becomes moist and no longer pours out easily. The salt can be described as:
- Dew, frozen dew, and frost form when the below-freezing layer of air is:
- When temperatures are below freezing, the temperature to which air must be cooled in order for a phase change to occur is called the:
- Lenticular clouds typically form___a mountain range.
- A rotating-beam ceilometer is useful for
- The TRMM (Tropical Rainfall Measuring Mission) satellite provides information on tropical:
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