dense fog
thick fog
heavy fog

At the time there was dense fog in the area.

There was dense fog, however, and nothing could be seen.

But no one could see them in dense fog like this.

The day began with a dense fog over this beautiful but difficult course.

But more recently, a dense fog has formed around the company.

But such questions hang in the air like a dense fog.

He emerged from it as if coming through a dense fog.

The field was covered by a dense fog on the morning of 14 March.

It was like looking out of an airplane window into dense fog.

A dense fog moves through the house, and the lights go out.

The battle began in dense fog at 4:20 am on 8 August 1918.

The accident happened at 8:55 in dense fog on a Sunday morning.

She had been navigating through a dense fog for several days.

Over it all a dense fog of smoke and dust.

The view was the same in all directions: flat water, dense fog.

We cruised about for several hours in the dense fog.

He had seen him only in the dense fog.

Players who started early took advantage of the calm conditions before dense fog came in.

Outside the house he encounters the Major, who stares at him as if through a dense fog.

Neither side saw each other due to the dense fog caused by the earlier rain.

On 8 August she attacked several small ships through dense fog.

Typically, problems may occur during conditions of snow or dense fog.

As it so often did around bedtime, the depression seemed to close in on her like a dense fog.

A dense fog then forced the American squadron away from the island for a week.

Because of the dense fog, the Russian troops never saw their foe.

She might as well have been standing in a thick fog.

A thick fog came down and it was difficult to see anything.

She had been feeling her way through thick fog for three days.

At once there was a thick fog, and only the red eyes of.

I felt as though I'd stepped into a thick fog.

But a thick fog rose from the ground, and made it very difficult to see the way.

It was thick fog, and one could not see three yards.

Along the way they encounter thick fog on the road.

They could barely see each other in the thick fog.

Her words hung between them like thick fog in the morning air.

The children were to put to bed as night fell and a thick fog developed.

On the day of the race, the weather was poor, with thick fog.

Despite the thick fog it was beginning to get busy.

The thick fog made its blaze seem white and cold.

They lost sight of the ship the next morning, when a thick fog came up.

He arrived at night in the midst of a thick fog.

He could not see anything, however, owing to the thick fog.

A thick fog appears and both boats have a hard time to see anything.

It would be in tune with the forces of nature if a thick fog should come up.

There the natural wind fell off and thick fog closed in.

I looked out the open cargo bay into a thick fog bank.

Visibility at the time was poor due to thick fog.

For the last hour, they'd been flying blind through thick fog.

A thick fog soon wove its way through her mind.

There was a thick fog, and nothing could be seen."

In the heavy fog, how on earth would they find the right one?

Some events are called off when there is heavy fog.

There was heavy fog in the morning of the race.

They were once again delayed two hours because of heavy fog.

Heavy fog was particularly hazardous, and could come any time of year.

Nothing but chance and heavy fog could bring him to this cursed place.

All of a sudden a heavy fog rose up from the sea.

The heavy fog that night has now become the focus of the investigation, which is expected to take six to nine months.

He was making an instrument approach to the airport in heavy fog.

We have heavy fogs every morning, and rain all day.

The 2013 edition, ran under a heavy fog, was also very fast.

A heavy fog appeared to be rolling in from the bay.

The wind did not touch the heavy fog, only the banner.

Heavy fog was cited as the cause of the crash.

Poor visibility in heavy fog can bring on the condition.

This afternoon a heavy fog had settled into the valley.

Heavy fog is expected before dawn and to remain until about ten in the morning.

September 11 began with a heavy fog, which provided cover for the British troops.

However, he could not locate them due to heavy fog and rain.

By the time the second half began, the heavy fog made it extremely difficult for the teams to move the ball.

Troops, along with the civilians, used heavy fog to their advantage.

It's like being lost in a heavy fog, Maddie thought sometimes.

"And it can be dangerous to take off during heavy fog.

He swung the windows shut to hold out the heavy fog.

Heavy fog was the main reason for the collision and sinking.