Visibility

#1. What is the relationship between meteorological visibility and RVR in homogeneous fog?

• AThe met. vis. is generally less than the RVR.
• BThe met. vis. generally is greater than the RVR.
• CThe met. vis. generally is the same as the RVR
• DThere is no specific relationship between the two.

#2. Visibility is reduced by haze when:

• Asmall water droplets are present
• Bdust particles are trapped below an inversion
• Ca light drizzle falls
• Da cold front just passed

#3. What is the average vertical extent of radiation fog?

• A2,000 ft.
• B5,000 ft.
• C10,000 ft
• D500 ft.