The residents of American Samoa found themselves in the early morning hours of 20 November 2025, as strong maritime convection moved into the region. There is no radar in the area, so satellite observations are critical for operational awareness and nowcasting. The Band 13 infrared view on GOES-18 showed a... Read More

10-minute Full Disk scan GOES-19 (GOES-East) Water Vapor images centered over the southern Great Lakes (above) included contours of Moderate Or Greater (MOG) Turbulence Probability (yellow contour = 40%) and Pilot Reports of Turbulence on 20 November 2025. Note the appearance of one report of Extreme Turbulence over the southwest portion... Read More