Francis, who was in Maryland for the holiday, missed practice because heavy fog prevented his plane from landing.

Dense fog and very dark nights prevented the men from seeing even twenty feet.

The fog prevented it from supporting the advance guard.

Apparently the enemy was withdrawing, although the fog prevented visual observation.

Russian spokesmen later said fog prevented the military from defending the original column, but the survivors say the weather was clear much of the time.

When America reached Paris after 40 hours, a heavy fog prevented it from landing.

The fog prevented a helicopter from being used to transport the trooper.

The fog prevented Cranston from seeing what surrounded the lovely house till he was almost on top of it.

The dense fog prevents Pavel from seeing the geological devastation taking place before his eyes.

Laroche had arrived, but thick fog had closed in on the camp and was preventing take off for C2.