Overpasses from NOAA-20 (0601 and 0741 UTC) bracket an overpass from Suomi-NPP (0651 UTC), above, to provide excellent night time visual imagery animation over Hurricane Henri as it moved northward towards landfall over southern New England. It is difficult to pinpoint the center of the storm in this imagery. Per the National Hurricane Center,... Read More
Tropical Storm Henri intensified to become a hurricane at 1500 UTC on 21 August 2021 — and 1–minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images and “Clean” Infrared Window (10.35 µm) images (above) showed Henri during the 1400-2300 UTC period. Visible images indicated that a small-diameter inner core began to form later in the day.Henri was moving... Read More
GOES-16 Visible Imagery, above, shows Tropical Storm Henri east of Florida and to the north of the Bahamas. Cirrus outflow is well-developed to the east and south, but the storm is sheared; the surface circulation is near the northwestern edge of the ongoing deep convection. Persistent northerly shear, as shown... Read More
GOES-16 “Cirrus” channel (1.38 µm) imagery, above, and visible (0.64 µm ), below, shows Tropical Storm Henri to the southeast of the island of Bermuda (at 32.3º N, 64.7º W) shortly after sunrise on 17 August 2021. The cirrus channel shows a compact region of convection and an expanding cirrus... Read More
