MAV MOS PROB. OF FOG OBSTRUCTIONS TO VIS. (%)
Valid 1800 UTC Saturday
Saturday Sunday Monday Tuesday Wednesday
18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

PROB. OF FOG OBSTRUCTIONS TO VIS.: The probability that there will be a reduction in visibility due to fog at the specified time. Fog is defined as a fog or ground fog with visibilities below 5/8 mile.