Mystery Slick, Near GI-47c; GOM, Louisiana Coast
NOAA initial notification: “The USCG is responding to an observed slick 20 miles of the Louisiana Coast near Grand Isle. There is no identified source at present.”[1]
Latest included source report
Posted 3 Nov 2008
Latest source report
“There was no additional information provided or scientific support requested related to this event; therefore, this entry will serve as the final report unless it is learned that there was appreciable injury or any other new information that would reopen this response hotline. Long sentence that simply means: case closed due to lack of any new information. The observed […]” Current outcome is not independently verified by seahazards.[3]
NOAA report chronology
3 dated source records · 18 Oct 2008 to 3 Nov 2008NOAA incident record opened
Initial notification excerpt: “The USCG is responding to an observed slick 20 miles of the Louisiana Coast near Grand Isle. There is no identified source at present.”
NOAA approximate incident area; not a vessel track
Initial incident area only. Dates are NOAA postings, not a vessel track. Playback advances every 5 seconds.
Milestone 1 of 3: 18 Oct 2008. NOAA incident record opened. NOAA approximate incident area; not a vessel track
NOAA incident record opened
Initial notification excerpt: “The USCG is responding to an observed slick 20 miles of the Louisiana Coast near Grand Isle. There is no identified source at present.”
NOAA approximate incident area; not a vessel track (28.998°, -89.875°)
Initial Report
Source report excerpt: “On Saturday evening, 18 October 2008, USCG MSU Morgan City notified the NOAA HAZMAT Duty Officer (HDO) of a mystery slick off the Louisiana Coast. The HDO alerted the NOAA Scientific Support Coordinator to provide an initial assessment as to the potential for coastal impacts. The source of the report was an observer flying a routine surveillance mission of the GI-47c platform, a chronic source of periodic leaks since Hurricane Katrina. The observer reported two mystery slicks to the NRC. The largest was a 4.5-mile long slick at 28° 59.86’ N Lat. 089° 52.48’ W Long. This position is approximately 20 miles S of Grand Isle, Louisiana. The observer reported that it was not thought to be […]”
Final Report
Source report excerpt: “There was no additional information provided or scientific support requested related to this event; therefore, this entry will serve as the final report unless it is learned that there was appreciable injury or any other new information that would reopen this response hotline. Long sentence that simply means: case closed due to lack of any new information. The observed slick/sheen was expected to have dissipated natural. Note, it was reported that an intermittent natural seep is located in this area. There are also several facilities that are being repaired from Hurricanes Katrina and Rita. The SSC is awaiting documentation of the reported natural seep to address several mystery releases […]”
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Details in the record
- Source record
- NOAA IncidentNews 7909[1]
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NOAAORR-7909 NOAA response record
Mystery Slick, Near GI-47c; GOM, Louisiana Coast. GOM, Louisiana Coast. 1. The USCG is responding to an observed slick 20 miles of the Louisiana Coast near Grand Isle. There is no identified source at present. 2. THREAT: OIL. TAGS: MYSTERY SUBSTANCE. 3. POSITION 28.998N 089.875W. NOAA INCIDENTNEWS 7909: https://incidentnews.noaa.gov/incident/7909Open record and warning history →
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