Aerolineas Argentinas Flight 1303 encountered severe turbulence while flying from Miami, Florida to Buenos Aires, Argentina on 18 October 2018 (media report). The flight track (above) and flight log data indicated that the aircraft rapidly gained then lost over 2000 feet in altitude around 1823 UTC while over far western Brazil.GOES-16 (GOES-East) “Clean”... Read More

With a large dome of high pressure centered over Iowa/Missouri/Illinois (above), the stage was set for a night of strong radiational cooling across much of the Upper Midwest on 17/18 October 2018. Minimum temperatures were generally in the 20-40ºF range, with the coldest being 15ºF at Champion in the Upper Peninsula... Read More