Hazardous operations 0801Z to 1401Z daily 05 thru 07 nov in areas bound by: a. 34-50N 121-01W, 34-52N…
North Pacific Ocean · NAVAREA XII 458/08
What this record establishes
Archived notice · 2008-11-05 11:43Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · WESTERN RANGE OP W1076 271707Z OCT 08.. Issued 2008-11-01 09:50Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. 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.
Related notices and cancellation links
- Cancel NAVAREA XII 458/08, operations completedlater cancellation notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-11-05 08:01Z | 2008-11-05 14:01Z | — | 6 h |
| 2008-11-06 08:01Z | 2008-11-06 14:01Z | — | 6 h |
| 2008-11-07 08:01Z | 2008-11-07 14:01Z | — | 6 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2008-11-01 09:50Z
- status
- Archived notice
- self-cancels
- 2008-11-07 15:01Z
- authority
- WESTERN RANGE OP W1076 271707Z OCT 08.
- NAVAREA
- NAVAREA XII
- issued by
- WESTERN RANGE OP
- sea
- North Pacific Ocean
- position
- 34.542, -124.383
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0801Z TO 1401Z DAILY
05 THRU 07 NOV IN AREAS BOUND BY:
A. 34-50N 121-01W, 34-52N 121-01W,
34-53N 120-39W, 34-52N 120-39W.
B. 34-36N 126-33W, 35-01N 122-17W,
34-29N 122-13W, 34-04N 126-29W.
C. 32-54N 137-29W, 33-06N 136-29W,
32-38N 136-21W, 32-27N 137-21W.
2. CANCEL THIS MSG 071501Z NOV.
Reading this warning
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Collected reports in this area · military exercises
276 within 180 nm since 1999 · 3 in the last 12 months · 0 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 1330Z to 2030Z daily 28 and 29 sep in area bound by 35-04.00N 122-39.00W, 34-45.00N…2026-09-24
- Hazardous operations 251400Z to 252000Z aug, alternate 261400Z to 262000Z aug in area within 56 miles of…2026-08-20
- Hazardous operations 190900Z to 192100Z aug, alternate 0900Z to 2100Z daily 20 and 21 aug in areas bound by:…2026-08-17
- Hazardous operations 1900Z to 2300Z daily 02 and 04 oct in area within 35 miles of 34-43.00N 122-03.00W2024-09-24
- Hazardous operations 151900Z to 160000Z may in area bound by 34-39.47N 121-13.08W, 34-23.43N 121-02.07W,…2024-05-09
- Hazardous operations 082000Z to 090130Z may in area bound by 34-39.78N 121-13.13W, 34-23.72N 121-02.12W,…2024-05-03
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
9 military exercises listed in force · see all
Record snapshot 2026-10-03 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.