Spills · mystery_substance

Mystery sheen; south marsh island block 223, la

NOAAORR-8409

issued: 2012-02-27 00:00Z
status: cancelled 2012-03-12 00:00Z
self-cancels: 2012-03-12 00:00Z
authority: NOAA OR&R
sea: Gulf of Mexico
position: 29.408, -91.992
source: incidentnews · first seen 2026-09-03 15:09Z

Original warning text

Mystery Sheen; South Marsh Island Block 223, LA.
South Marsh Island Block 223, LA.
1. On 27FEB at 1530 CST, MSU Morgan City contacted NOAA SSC for trajectory support for a mystery sheen. At 1430 CST, USCG received a report of a mystery sheen with dimensions of 5mi by 1/4mi located at 29-24-30N 091-59-32W, South Marsh Island Block 223. The orientation of the sheen and location of lat/long relative to the sheen was not given.
2. THREAT: OIL. TAGS: MYSTERY SUBSTANCE.
3. POSITION 29.408N 091.992W. NOAA INCIDENTNEWS 8409: https://incidentnews.noaa.gov/incident/8409

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Season · when spills & pollution incidents happen here

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Timeline · 3 messages since 2012-01-06 · closed 2012-03-12

Mystery sheen; south marsh island block 239, la2012-01-06 → 2012-01-20
Condensate sheen; south marsh block 236, la2012-02-15 → 2012-02-29
Mystery sheen; south marsh island block 223, la this message2012-02-27 → 2012-03-12

joined by proximity

Nearby now · within 120 nm

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Intermittent oil sheen; flower garden banks national marine sanctuary, bright bankSpills · 114.8 nm

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