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Persistent fog/stratus across eastern Virginia

By Scott Bachmeier •

GOES-16 “Red” Visible (0.64 µm) images [click to play animated GIF | MP4]

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed abroad arc of fog/stratus that persisted for much of the day across parts of eastern Virginia, Chesapeake Bay and the Delmarva Peninsula on 03 May 2022. Since this fog/stratus deck — which was on the cold side of a quasi-stationary frontal boundary — was slow to dissipate, it held daytime temperatures in the 50s and 60s F (in contrast to the 70s F in cloud-free areas east of the front, and 80s F west of the front). By the end of the day, some of the colder air and stratus had sagged southward across extreme northeastern North Carolina (including the northern end of the Outer Banks).

Afternoon thunderstorms reached strong to severe levels as they approached the frontal boundary, producing 1-inch diameter hail and damaging winds (SPC Storm Reports).

1-minute GOES-16 Visible images with overlays of the 5-minute GOES-16 Fog Depth product (below) provided an estimate of the fog/stratus deck thickness, helping to highlight which portions might be slower to dissipate.

GOES-16 “Red” Visible (0.64 µm) images, with an overlay of the GOES-16 Fog/Stratus Depth product [click to play animated GIF | MP4]

Categories: Fog detection, GOES-16, Severe convection