A selection of several GOES ABI loops during 2022 showcased the diverse range of features observed, which included volcanic ash plumes, hurricanes, convection, fog, smoke, fires, dust and ice. It’s very hard to choose just one event from every month of the year, but the goal here is to show a variety of phenomena and locations that NOAA‘s GOES... Read More
MIMIC Total Preciptable Water (TPW) Fields (from this site), below, for the 24 hours ending 1300 UTC on 26 December 2023, show the Samoan Islands (at 13-14oS, ~172oW) in the middle of the South Pacific Convergence Zone (SPCZ) that stretches east-southeastward across the South Pacific. Pago Pago has received more than 20″... Read More
As discussed in this blog post, heavy rainfall had continued across the Samoan Islands on 25 December 2023. The South Pacific Convergence Zone (SPCZ) remained in the vicinity of the Samoan Islands on that day (surface analyses) — and 1-minute Mesoscale Domain Sector GOES-18 (GOES-West) “Clean” Infrared Window (10.3 µm) images (above) showed additional pulses of deep convection that... Read More
10-minute Full Disk scan GOES-18 Air Mass RGB images (above) showed a cyclone as it intensified to a Hurricane Force Low by 0000 UTC on 24 December 2023 as it moved north across the Gulf of Alaska (suface analyses). Brighter orange-red hues in the RGB images highlighted a Potential Vortcity (PV) Anomaly within... Read More
