dense fog
Visibility near zero
Dense fog is fog so thick that visibility drops severely, typically below a few hundred feet.
Weather services issue dense fog advisories when driving becomes hazardous: Dense fog blanketed the valley, closing the airport.
The phrase emphasizes intensity—ordinary fog obscures; dense fog envelops.
- mistFine airborne moisture
- hazeMurky atmospheric suspension
- zero visibilityNo sight possible
- visibilityRange of clear sight
- pea-souperExtremely dense fog
pea soup · murky · shrouded · obscured · blanket · thick · rolling · rolling in · damp · clammy · car headlights · headlights · ghostly · eerie · creeping · early morning · moisture · gray
- fogmist, haze, bank, blanket, fret
- obstaclesbarriers, block, obstacles, barrier, blockers
- visibilityvisibility, visible, invisible, hidden, hide
- Visibility Conditionsclear sky, haze, smog, mist, visibility
- severe weatherblizzard, hurricane, cyclone, hailstorm, ice storm
- sky conditionsclear, clear sky, cloudy, overcast, partly cloudy