![\"GOES-17](\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2019\/04\/190424_goes17_visible_shortwaveInfrared_East_Pacific_ship_tracks_anim.gif\")
<\/a>GOES-17 “Red” Visible (0.64 \u00b5m)<\/em> and Shortwave Infrared (3.9 \u00b5m)<\/em> images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>GOES-17 (GOES-West)<\/em> “Red” Visible (0.64 \u00b5m<\/strong><\/a>) and Shortwave Infrared (3.9 \u00b5m<\/strong><\/a>) images (above)<\/strong><\/em> showed a number of ship condensation trails (or “ship tracks”) over the East Pacific Ocean on 24 April 2019.\u00a0Aerosols from the exhaust of ships cause a \u201ccloud seeding effect\u201d, which results in a higher concentration of smaller<\/em> cloud droplets compared to the surrounding unperturbed clouds. These smaller cloud droplets are more effective reflectors of sunlight, leading to a warmer (darker red)<\/em> 3.9 \u00b5m signature.<\/p>\n GOES-17 Visible images (below)<\/em><\/strong> revealed a few eddy circulations within the marine boundary layer stratocumulus off the coast of southern California, along with other interesting Channel Island cloud interactions — some of the eddy circulations exhibited a small cloud-free center. Surface winds were light and variable over the Channel Islands (surface analyses<\/strong><\/a>), with a thermal low situated well inland over the Desert Southwest (the national high temperature on 24 April was 106\u00baF at Death Valley, California).<\/p>\n