11.   As if on cue, a heavy fog lifted just as the inauguration began on the south steps of the pink granite Capitol.

12.   At the time, a heavy fog again dropped down on the marsh.

13.   Authorities said the pilot of the commercial flight, warned about drizzle and heavy fog at the Piedras Negras airport, attempted two landings before crashing.

14.   Beyond these observations, we enter heavy fog.

15.   A heavy fog and swirling mist, especially on the first climb, contributed to the difficulties, making descents from the four peaks treacherous.

16.   A Japanese fish processor sank after colliding with a Chinese freighter in heavy fog.

17.   A patina of ice crystals coated tree limbs and bushes over Green Bay Monday morning as heavy fog enveloped northeast Wisconsin.

18.   A season of heavy fog that can limit visibility to just a few feet is fast approaching, Charles said.

19.   A rapt Leslie Stahl watched while he gave them notes on their work, and she contributed to the heavy fog of sycophancy that quickly filled the room.

20.   But as they headed back to Dulles Airport, heavy fog, the veteran pilots were on their own to navigate an emergency landing.