GOES-11 visible channel imagery (above) showed a nice example of lee wave “lenticular clouds” immediately downwind of the Spring Mountains (whose highest peak is Mt. Charleston at 11,918 ft or 3362 m) just to the northwest of Las Vegas, Nevada (Google maps) on 14 September 2007. The vertical motions associated with lee waves can cause... Read More

The worst airline disaster in Brazil’s history occurred on the evening of 17 July 2007 as a TAM Airlines Airbus A320 was attempting to land at the Congonhas airport in Sao Paulo, Brazil. Early media reports (CNN) indicated that the plane was landing during a “driving rainstorm”, which led us... Read More

An outbreak of severe thunderstorms developed across the Upper Midwest states on 07 June 2007 — SPC storm reports showed widespread tornadoes (including the EF-3 Langlade WI... Read More

GOES-12 visible channel images (above) revealed numerous aircraft dissipation trails — otherwise known as “distrails” or “hole punch clouds” — during the day over eastern Texas, northern Louisiana, southern Arkansas, and Mississippi on 29 January 2007. Corresponding GOES-12 10.7... Read More