Hazardous operations 261500Z to 270100Z sep in area bound by 34-01.00N 121-02.00W, 33-21.00N 119-28.00W,…
North Pacific Ocean · NAVAREA XII 652/26
What this record establishes
Cancelled notice · 2026-09-23 14:45Z
This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-21 22:51Z. First collected 2026-09-23 15:32Z; last seen in collection 2026-09-23 18:47Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- North Pacific Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-09-26 15:00Z | 2026-09-27 01:00Z | — | 10 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2026-09-21 22:51Z
- status
- Cancelled notice
- self-cancels
- 2026-09-27 02:00Z
- sea
- North Pacific Ocean
- position
- 33.508, -120.358
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-23 15:32Z
Original warning text
NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 261500Z TO 270100Z SEP IN AREA BOUND BY 34-01.00N 121-02.00W, 33-21.00N 119-28.00W, 33-00.00N 119-41.00W, 33-40.00N 121-15.00W. 2. CANCEL THIS MSG 270200Z SEP 26.
Collected reports in this area · military exercises
1164 within 180 nm since 1999 · 27 in the last 12 months · 3 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Hazardous operations 271300Z to 272300Z sep in area within one mile of 32-52.80N 118-17.70W2026-09-21
- Hazardous operations 281300Z to 282300Z sep in area within one mile of 32-52.80N 118-17.70W2026-09-21
- Hazardous operations 251300Z to 252300Z sep in area within one mile of 32-52.80N 118-17.70W2026-09-21
- Hazardous operations 261300Z to 262300Z sep in area within one mile of 32-52.80N 118-17.70W2026-09-21
- Hazardous operations 241300Z to 242300Z sep in area within one mile of 32-52.80N 118-17.70W2026-09-21
- Hazardous operations 261300Z to 262300Z sep in area within one mile of 32-52.80N 118-17.70W2026-09-21
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
- Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…Exercises · 84.7 nm
- PQ63+HX los angeles, ca, USASpills · 106.4 nm
- Hazardous operations 010800Z sep to 010800Z oct in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Exercises · 108 nm
Worldwide in the collected sources
18 military exercises listed in force · see all
Record snapshot 2026-09-23 18:50Z; source collection times vary.
Exercises
Gunnery, firing and naval exercise areas. All current military exercises →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.