GOES-17 (GOES-West) “Red” Visible (0.64 µm) images (above) revealed 3 cyclonically-rotating actinoform cloud structures that were moving west-southwestward toward the Hawaiian Islands on 30 June 2020 (surface analyses).A closer look at the northernmost actinoform feature showed it moving over Buoy 51000 (located 245 miles northeast of Honlulu) around 04 UTC on 01 July —... Read More
GOES-16 (GOES-East) “Red” Visible (0.64 µm) images with time-matched plots of SPC Storm Reports (above) displayed clusters of thunderstorms that moved across eastern Wyoming and western South Dakota on 28 June 2020. Numerous overshooting tops were seen, along with cloud-top gravity waves and a couple of Above-Anvil Cirrus Plumes (reference | VISIT training). These storms produced hail as large as 2.25″ in... Read More
GOES-17 (GOES-West) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.35 µm) images (above) displayed the formation of an orographic rotor cloud downwind (north-northeast) of the Kigluaik and Bendeleben Mountains in the Seward Peninsula of Alaska on 27 June 2020. Even though the highest terrain in those mountain ranges was only 3700-4700 feet... Read More
GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed the subtle motion of ice in the southwestern portion of Hudson Bay, Canada on 25 June 2020. A slower version of the animation is available here.According to the Ice Concentration Departure from Normal map issued by the Canadian Ice Service on 22 June (below),... Read More
