The County Fire began burning in central California (northwest of Sacramento) around 2112 UTC or 2:12 pm local time on 30 June 2018 — GOES-16 (GOES-East) “Red” Visible (0.64 µm) and Shortwave Infrared (3.9 µm) images (above) showed the smoke plume and thermal anomaly or “hot spot” (dark black to red pixels) of the fire... Read More

As a warm and very humid air mass (surface analyses) moved northward across the relatively cool waters of Lake Michigan on 30 June 2018, GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) revealed complex interactions of the resulting fog/stratus with coastlines and islands — features such as “bow shock waves” and internal reflections of... Read More

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed the development of large clusters of thunderstorms that moved from northeastern Wyoming into South Dakota during the afternoon and evening hours on 29 June 2018. These storms produced a variety of severe weather (SPC storm reports | NWS Rapid City), including tornadoes, hail of 4.50 inches in... Read More

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed thunderstorms which produced large hail and tornadoes in far southeastern Montana and far northwestern South Dakota (SPC storm reports | NWS Billings | NWS Rapid City) on 28 June 2018. The pulsing nature of the parent storm’s overshooting tops was very apparent in the animation.The corresponding GOES-16... Read More