McIDAS images of 4-km resolution GOES-15 6.5 µm water vapor channel data (above; click image to play animation; also available as an MP4 animation) showed the development of a strong and rapidly-occluding storm off the coast of California during the Read More

A southward to southeastward surge of arctic air across the Great Lakes in the wake of a strong cold frontal passage (18 UTC surface analysis) on 27 February 2014 produced widespread lake-effect snow bands and also contributed to a renewed growth of ice. GOES-13 Visible (0.63 µm)... Read More

A number of previous blog posts have demonstrated the ability of the water vapor channel to sense surface features when the atmospheric column is cold and/or dry; in this example, the signal of a thin ribbon of high-altitude Sierra... Read More

Twitter follower @PedroCFernandez alerted us to an interesting case of mesovortices (original Spanish language blog post | Google translate version) which developed within the circulation of a strong mid-latitude cyclone over the northeastern Atlantic Ocean (moving toward the British Isles)... Read More