The improved AMOC structure and deep overflow in the North Atlantic can greatly reduce the systematic large cold sea surface temperature bias in the extra-tropical North Atlantic, which often leads to a biased mean state environment for tropical cyclones. (gfdl.noaa.gov)
Methane hydrates are believed to form by migration of gas from depth along geological faults, followed by precipitation, or crystallization, on contact of the rising gas stream with cold sea water. (princeton.edu)
The Guadalupe season is from August to October, when the ocean is calmest, and colder sea temperatures of 66 to 72 °F (19 °C to 22 °C) are to be expected at this time of year. (Dive-The-World.com)