1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed severe thunderstorms that moved across Pennsylvania on 02 October 2018, producing large hail, damaging winds and a few tornadoes (SPC storm reports). A parallax-corrected version of the animation — which shifts the location of SPC storm reports northwestward, to be more closely... Read More
Rosa became a Tropical Storm on 25 September 2018, and reached peak intensity as a Category 4 Hurricane on 28 September. As it gradually weakened and made landfall over Baja California on 02 October, its moisture moved across the US Desert Southwest causing heavy rainfall and flash flooding — parts of... Read More
GOES-15 (GOES-West) Infrared Window (10.7 µm) images (above) showed the formation of a well-defined eye of Hurricane Walaka during a period of rapid intensification (ADT | SATCON) from 0000-2330 UTC on 01 October 2018; Walaka was classified a Category 5 hurricane as of the 02 October 00 UTC advisory. Walaka was moving... Read More
Medicane “Zorbas” — as named by Freie Universität Berlin (surface analyses) — developed in the Mediterranean Sea late in the day on 27 September 2018. A toggle between VIIRS Day/Night Band (0.7 µm) images from NOAA-20 and Suomi NPP (above; courtesy of William Straka, CIMSS) revealed the well-defined circulation of the... Read More
