Category Archives: Visibility

21 October 2019 – nighttime detection of fog and outflow boundaries

Posted on October 21, 2019 by dbikos

During the overnight hours of 21 October 2019, we analyze multiple applications of GOES imagery at night. First, we look over the northeast where fog developed.  Here is the GOES-16 nighttime microphysics product: http://rammb.cira.colostate.edu/templates/loop_directory.asp?data_folder=training/visit/loops/21Oct19/fog&loop_speed_ms=60 We observe large areas of fog … Continue reading →

Posted in Aviation Weather, Ceilings, Convection, Fog, Severe Weather, Visibility | Leave a comment

Nighttime Fog Monitoring

Posted on April 24, 2019 by Jorel Torres

Satellite fog monitoring during the nighttime can be a challenge since geostationary datasets are limited to infrared imagery. However, with the new GOES-16/17 and JPSS datasets users can employ polar-orbiting and geostationary imagery to identify and monitor areas of fog … Continue reading →

Posted in Aviation Weather, Fog, GOES, POES, Satellites, Visibility | Leave a comment

Low cloud / fog over snow covered ground on 25 February 2019

Posted on February 25, 2019 by dbikos

During the overnight hours of 25 February 2019, low clouds and fog developed over portions of northwest Kansas, eastern Colorado and southwest Nebraska.  The low cloud and fog developed over a field of snow on the ground from a recent … Continue reading →

Posted in Ceilings, Fog, Visibility | Leave a comment

Fog event of 22 May 2018 in the midwest – focus on nighttime microphysics RGB

Posted on May 23, 2018 by dbikos

During the overnight and morning hours of May 22, 2018 there was widespread fog over the upper midwest region centered around Wisconsin.  We’ll start by looking at the familiar fog product (10.3 – 3.9 micron) overlaid with ceiling (top left: … Continue reading →

Posted in Aviation Weather, Ceilings, Fog, Visibility | Leave a comment

Interesting features along the west coast on 15 August 2017

Posted on August 15, 2017 by dbikos

The GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing.  Users bear all responsibility for inspecting the data prior to use and for the manner in which the data are utilized. The following loop is … Continue reading →

Posted in Aviation Weather, Ceilings, Fog, Island Effects, Orographic Effects, Visibility | Leave a comment