Visibility Dense Fog Visibility Issues Visibility Conditions Dense fog Impact on Transportation Transportation Types of Fog Transportation Impact Cold Wave Temperature Delhi Low Visibility Weather Conditions Formation Patchy Fog Travel Impact Fog Alerts Impact on Travel Fog Conditions Weather Warnings Impact on Wildlife Dense Fog Advisory Superfog Dissipation of Fog Super Fog Formation Super Fog Super Fogs Warning Systems Heavy Fog Delhi-NCR Fog Windy Conditions Alert Delhi Weather Severe fog Tule fog Fog-related Accidents Tule Fog Delhi Airport Visibility limitations Adverse weather conditions Low Visibility Procedures Delhi weather Dense fog advisory Advection fog Dense fog alerts Heavy fog Adverse Weather Conditions Winter Weather Visibility on Roads Flight Operations Impact on Events Advisories Traffic Conditions Smog Conditions Smog Development Driving Conditions Patchy Travel Impacts Impact on Aviation Types Airport Operations California Low-Visibility Conditions Transportation Disruption Alerts Air Quality Meteorological Phenomena Cold Weather