Fog

Question 1

How many days a year does fog cause vis problems

Answer 1

Fog generally caused vis problems 25-40 days per year

Question 2

When is fog most likely

Answer 2

Fog most likely in autumn, Jan and Feb

Question 3

Land fog

Answer 3

Land fog is most common but dissipates in the afternoon but hangs on during stagnate wx

Question 4

When is fog least likely

Answer 4

Least likely from May-June

Question 5

How bad does vis get

Answer 5

Vis drops below 0.5 nm

Question 6

Where is poor vis most likely

Answer 6

Poor vis most likely in North and South Puget Sound

Question 7

Where is poor vis least likely

Answer 7

Least likely between Pt. Wells and three tree Pt.

Question 8

Sea fog

Answer 8

Sea fog occurs most frequent in western straits and is worst in July-Oct. vis drops below .75nm 55 days a year

Question 9

Radiation fog

Answer 9

Radiation fog prevails in Georgia, haro, Rosario and eastern straits. Worst in sept- Feb. 20-30 days per year but can increase near low lying flat land locations