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Derecho affecting Pennsylvania and New Jersey

By Scott Bachmeier •

GOES-16 “Red” Visible (0.64 µm) images, with SPC Storm Reports plotted in red [click to play animation | MP4]

GOES-16 “Red” Visible (0.64 µm) images, with SPC Storm Reports plotted in red [click to play animation | MP4]

GOES-16 (GOES-East) “Red” Visible (0.64 µm) images with time-matched plots of SPC Storm Reports (above) displayed a fast-moving derecho which moved southeastward across Pennsylvania and New Jersey on 03 June 2020. Winds gusted as high as 83 mph in Pennsylvania (at 1535 UTC)  and 93 mph in New Jersey (at 1719 UTC).

A sequence of GOES-16 Visible images – with and without an overlay of GLM Flash Extent Density – and “Clean” Infrared Window (10.35 µm) images (below) showed modest lightning activity and pulsing overshooting tops with cloud-top infrared brightness temperatures as cold as -75ºC (darker red enhancement).

GOES-16

GOES-16 “Red” Visible (0.64 µm) – with and without an overlay of GLM Flash Extent Density – and “Clean” Infrared Window (10.35 µm) images [click to play animation | MP4]

Categories: GLM, GOES-16, Lightning, Severe convection