11.   Bursts of heavy snow reduced visibility in the Tanana Valley south of Fairbanks, Alaska, on Thursday morning as a jet stream disturbance swung eastward over Alaska.

12.   But in Tucson, meteorologist Jim Meyer said the haze from the forest fires had reduced visibility, though not enough to affect aircraft traffic.

13.   But while Catholic bishops have decided that the cross should remain, Jewish leaders said they were still hoping to remove or at least reduce its visibility.

14.   Dust in the compound reduced visibility to zero.

15.   Four traffic fatalities were attributed to rainslick highways or reduced visibility.

16.   Grime and debris also reduce visibility, so keep the windshield-washer reservoir filled with no-freeze washer fluid, and remember to use it frequently.

17.   Haze and smoke has been hanging in the air around central and southern Iowa for the past few days, reducing visibility despite generally sunny days and cloudless nights.

18.   Haze, fog and low clouds reduced visibility and forced the delay of the landing of the space shuttle at Cape Canaveral, Fla., early Friday.

19.   Heavy fog sometimes reduces visibility so much that the channel has to be closed.

20.   I had a good time even though a recent eruption of the Soufriere Hills volcano on nearby Montserrat had clouded the sea with ash and reduced underwater visibility.