Middle/upper-level deformation zone over the East Pacific Ocean?
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2017/05/960x1280_WESTL_B3_GOES15_WV_EPAC_DIV_PIREPS_23MAY2017_2017143_110000_0001PANEL-1.gif)
An interesting linear feature appeared over the East Pacific Ocean on GOES-15 (GOES-West) Water Vapor (6.5 µm) images (above) on 23 May 2017, which at first glance immediately nominated it for the “What the heck is this?” blog category. A contrail was ruled out, since it was not oriented along... Read More