November 19, 2012
Sea Surface Temperatures Almost Below 82
Sea
Surface Temperature Summary:
As
of November the 18th sea surface temperatures (SST) measured by buoys show a
range from approximately 63 – 81 degrees Fahrenheit, this translates to 17.2 –
27.2 degrees Celsius. More sophisticated
analysis can be seen with the National Weather Service’s Real Time Ocean
Forecast System. This system shows a
maximum sea surface temperature of 28.8 degrees Celsius (83.84 Fahrenheit) to a
minimum of 15.6 degrees Celsius (60.08 Fahrenheit). This is barely within the range that NASA
considers the minimum SST of 82 degrees Fahrenheit for the formation of a
hurricane and suggests that hurricane development within the Gulf of Mexico due
to SST is highly unlikely.
Tropical
Cyclone Heat Potential:
However,
there are many other factors within the realm of sea temperature and outside of
it that can influence the formation of any tropical weather activity. That is why the measurement and analysis of
tropical cyclone heat potential can serve as another avenue to better
understand the likelihood of hurricanes.
According to the NOAA and the AOML, surface ocean current’s height and
temperature are compared along with circulation features. This is then expressed in a unit of energy (kJ
cm-2) to show variable changes of heat potential. The following graphics show that from October
18th to November 18th there has been a considerable
decrease in tropical cyclone heat potential that has occurred directly around
Florida and within the Gulf as a whole.
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