RedactedNarrative: On the date and approximate time stated, Vessel #1 (Hull#209, Sail#103) was participating in the 2015 Dauphin Island Sailboat Race.  Vessel #1 encountered severe weather (wind gusts of 73 mph, 6 ft. waves) causing it to roll over onto the starboard side.  Vessel #1 continued to roll over and right itself.  Vessel #2 (unknown Vessel) struck Vessel #1 on it's starboard side causing it to sink almost immediately.  Vessel #2 continued on and did not stop to assist Vessel #1 after the collision.  All three crew members on Vessel #1 that ended up in the water were eventually rescued by another vessel participating in the race (vessel named "Light O Mobile", Hull#197, Sail#39).  The location of Vessel #1 has not been determined.  Vessel #2 (struck vessel #1 causing it to sink) has not been located or identified as well.  A total of 8 vessels were lost/destroyed in the 2015 Dauphin Island Sailboat Race due to severe weather encountered during the race.