Sea surface temperatures in the Atlantic Ocean as measured by satellites on Aug. 8. Areas in yellow or orange are above 78 degrees F, which is sufficient for hurricanes to form. Click on the image for a larger version. (Image: NOAA Environmental Visualization Laboratory.) An above normal season is forecast for Atlantic hurricanes through October, and there's a possibility that it could prove to be "very active," according to the latest update from the National Oceanic and Atmospheric Administration, issued today. From the update: