1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) images (above) include plots of time-matched SPC Storm Reports during an outbreak of tornadoes across parts of Mississippi, Alabama and Tennessee on 24 March 2023. The coldest thunderstorm tops exhibited infrared brightness temperatures around -70ºC (darker black enhancement).A closer view of 1-minute GOES-16 Infrared images —... Read More

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) included an overlay of GLM Flash Extent Density and surface fronts — which showed severe thunderstorms that developed across southern Oklahoma (along and ahead of a cold front) and North Texas (ahead of a dryline) during the afternoon and... Read More

1-minute Mesoscale Domain Sector GOES-18 (GOES-West) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images (above) included an overlay of GLM Flash Extent Density — which showed thunderstorms that produced flash flooding, hail and an EF-1 tornado (SPC Storm Reports) in the Central Valley of California on 11 March 2023. At 2236 UTC (1 minute prior to... Read More

GOES-16 (GOES-East) Air Mass RGB images (above) include plots of time-matched Local Storm Reports — which showed some of the impacts of a deep low pressure system (surface analyses) that moved northeastward across the Tennessee and Ohio Valley on 03 March 2023. A Mesoscale Domain Sector was positioned over part of that area — and 1-minute... Read More