Day: May 23, 2018

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

by Dan Bikos on May 23rd, 2018

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: hundreds of feet AGL) and visibility (bottom in miles): http://rammb.cira.colostate.edu/templates/loop_directory.asp?data_folder=training/visit/loops/22may18/fog&loop_speed_ms=180 Recall in the fog product, Continue Reading

Aviation Weather Ceilings Fog Visibility