Marine Weather Statement issued November 27 at 8:17PM EST by NWS Baltimore MD/Washington DC
A few southeasterly wind gusts to near 20 knots are possible tonight. Inexperienced mariners, especially those operating smaller vessels, should exercise extra caution if navigating the waters during this time.
Marine Weather Statement issued November 27 at 4:14PM PST by NWS San Diego CA
Patchy areas of dense fog with visibility 1 NM or less is expected now through Thursday morning, especially for the nearshore waters. Fog should lift/clear an hour or two after sunrise. Mariners should be prepared for sudden drops in visibility. Reduce speeds and be on the lookout for other vessels. Use radar or GPS navigation if available, and consider remaining in harbor if such equipment is unavailable.
Marine Weather Statement issued November 23 at 6:31PM AST by NWS San Juan PR
The areas affected include... Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N... Coastal Waters of Northern Puerto Rico out 10 NM... At 631 PM AST, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located offshore from Arecibo to Manati. The thunderstorm was nearly stationary.
Marine Mineral Formations in the Arctic Ocean Challenge Existing Geologic Theories
Not only do these mineral formations challenge previous assumptions about geologic processes in the Arctic, but their unique composition also sets them apart from other marine minerals found in the region. Differences in their mineralogy and element composition indicate they were formed under distinctive conditions, driven by specific physical and chemical interactions beneath the seafloor. “This discovery broadens our understanding of marine mineral formation, highlighting complex geological processes in the Arctic Ocean that were previously unrecognized,” said Amy Gartman, USGS Research Geologist and co-author of the study. Read the study, Neogene hydrothermal Fe- and Mn-oxide mineralization of Paleozoic continental rocks