20260731 15152500 1.0 TRUE TRUE Fronts The CoastWatch Oceanic Front Probability Index measures the probability of sea surface temperature front formation based on data from NOAA's GOES satellites. Fronts play an important role in upper ocean processes. Fronts can impact ocean fisheries, for example, by influencing the spatial distribution of biological productivity and by controlling the accumulation of marine debris, which serves as a beacon to higher trophic levels. Probability index is unitless, higher numbers indicate higher probability. Seasonal averages calculated from monthly averages from NOAA Coastwatch ERDDAP server at https://coastwatch.pfeg.noaa.gov/erddap/wms/erdGAtfntmday_LonPM180/index.html Fronts Oceanography Fronts play an important role in upper ocean processes. Fronts can impact ocean fisheries, for example, by influencing the spatial distribution of biological productivity and by controlling the accumulation of marine debris, which serves as a beacon to higher trophic levels. The NOAA CoastWatch Oceanic Front Probability Index measures the probability of sea surface temperature front formation based on data from NOAA's GOES satellites. These data represent seasonal 'max' values of ocean fronts and were generated using fronts probability data available from CoastWatch. The data were processed to monthy rasters, then computed into composites representing seasonal maximum values. The seasons are as follows: Winter- December, January, February; Spring- March, April, May; Summer- June, July, August. Fall- September, October, November. Source: NOAA CoastWatch, NOAA NOS, NOAA NWS Monterey Regional Forecast Office; seasonal composites, Rutgers University Notes: The Oceanic Front Probability Index is an EXPERIMENTAL dataset, distributed for scientific evaluation. The source dataset by NOAA CoastWatch is based on sea surface temperature (SST) data; daily SST averages were calculated, then an edge detection algorithm was applied to identify fronts. The index for front probability was then calculated using the number of times a pixel is counted as a front divided by cloud free days for the time period. This helps to eliminate days in which the fronts are masked out by clouds. NOAA CoastWatch accepts no liability for use of these data products. NOT to be used for navigation. 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