Spills · mystery_substance

Mystery sheen; south timbalier block 23, la

NOAAORR-8436

issued: 2012-04-29 00:00Z
status: cancelled 2012-05-13 00:00Z
self-cancels: 2012-05-13 00:00Z
authority: NOAA OR&R
sea: Gulf of Mexico
position: 29.004, -90.108
source: incidentnews · first seen 2026-09-03 15:09Z

Original warning text

Mystery Sheen; South Timbalier Block 23, LA.
South Timbalier Block 23, LA.
1. The USCG Morgan City contacted the NOAA SSC this evening about a sheen in Timbalier Block 23. The sheen was reported to be a 2 mi X 100 ft silvery sheen heading NW. The location was about 6 miles from shore, to the southwest of Timbalier Bay. A trajectory analysis was requested.
2. THREAT: OIL. TAGS: MYSTERY SUBSTANCE.
3. POSITION 29.004N 090.108W. NOAA INCIDENTNEWS 8436: https://incidentnews.noaa.gov/incident/8436

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Season · when spills & pollution incidents happen here

month of issue, all years in the archive

Timeline · 9 messages since 2012-01-20 · closed 2012-06-12

Grand isle, la2012-01-20 → 2012-02-03
On 02FEB12, uscg contacted noaa ssc about a ruptured natural gas pipeline 7nm south of timbalier island in…2012-02-02 → 2012-02-16
Near grand isle, la2012-03-14 → 2012-03-28
Near grand isle, la2012-03-17 → 2012-03-31
Timbalier bay, la2012-04-18 → 2012-05-02
Mystery sheen; south timbalier block 23, la this message2012-04-29 → 2012-05-13
Near mississippi river delta, la2012-05-07 → 2012-05-21
Mystery sheen west delta 117; 28nmi se of west side ofmiss r. delta, la2012-05-18 → 2012-06-01
Platform fire sp 93 b; gulf of mexico south of miss r2012-05-29 → 2012-06-12

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