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Category: Fog detection

Radiation fog across the Lower Mississippi Valley and Gulf Coast

The suite of nighttime GOES-16 (GOES-East) Fog / Low Stratus products — Marginal Visual Flight Rules (MVFR) Probability, Instrument Flight Rules (IFR) Probability, Low Instrument Flight Rules (LIFR) Probability, and Cloud Thickness — along with the subsequent daytime “Red” Visible (0.64 µm) images (above) showed the increasing areal coverage of vertically shallow (Cloud Thickness... Read More

River valley fog across the Mid-South

GOES-16 (GOES-East) Night Fog BTD (10.3-3.9 µm) and “Red” Visible (0.64 µm) images on 23 August 2021 (above) showed the nighttime formation of widespread river valley fog across parts of the Mid-South and adjacent Appalachians — followed by morning fog dissipation once solar heating initiated boundary layer mixing. With surface high pressure in... Read More