shallow fog

shallow fog

[′shal·ō ′fäg]
(meteorology)
In weather-observing terminology, low-lying fog that does not obstruct horizontal visibility at a level 6 feet (1.8 meters) or more above the surface of the earth; this is, almost invariably, a form of radiation fog.
References in periodicals archive ?
Summary: New Delhi [India], March 7 (ANI): Chilly morning coupled with shallow fog was seen in Delhi on Thursday morning and according to the MeT department there is a possibility of development of lightning on Friday.The maximum and minimum temperatures were hovering at 26 degree Celsius and 10 Degree Celsius with humidity oscillating between 80 to 86 per cent, according to the India Meteorological Department.
Patchy or shallow fog, especially over the runway, is a particular challenge as visibility is detected only within a 1-meter volume at the ASOS site and not elsewhere around the airfield.
Some cities in south Punjab however witnessed shallow fog that did not hamper traffic flow.
Fog forecast shows that dense, shallow fog in the morning and night hours will continue in the provincial capital, Faisalabad, Sahiwal and Bahawalpur during next three days, while shallow fog is expected in Rawalpindi, Multan, Dera Ghazi Khan, Rahim Yar Khan, Sargodha, Jehlum, Mandi Bahaudin and Gujjrat.
In this manuscript we define the term "shallow fog" to refer to shallow radiation fog that is optically thin and thermally stable and "deep fog" to refer to deeper optically thick fog with a saturated adiabatic temperature profile.
"Some grass frost will develop, along with some patches of mist and shallow fog."
Shallow fog and frost will also be seen, however, it will be mostly confined to rural areas.
According to met office on Thursday, shallow fog is likely to develop over few plain areas of Punjab during morning hours.
Even though the La Nina effect appears to have been neutralised, delayed rainfall in the region has led to smog conditions across Pakistan, including in the Potohar region, where shallow fog coupled with dust particles has cast a grey haze even during the daytime.
There was also fog formation in the central inlands and shallow fog over the Maktoum International Airport and Al Ain Airport.
According to Met Office, shallow fog and smog is expected in Faisalabad, Gujranwala, Lahore, Multan, Bahawalpur divisions during morning hours.
There was shallow fog and traces of rainfall were witnessed in some areas of the national Capital.