Hazardous operations 0530Z to 1100Z daily 16 thru 18 jul in area bound by a. 57-25N 152-24W, 57-05N 152-47W,…
North Pacific Ocean · NAVAREA XII 294/19
What this record establishes
Archived notice · 2019-07-18 12:00Z
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) · NAVAL AIR WARFARE CENTER 121752Z JUL 19.. Issued 2019-07-12 20:23Z. 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 294/19 and this msglater cancellation notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2019-07-16 05:30Z | 2019-07-16 11:00Z | — | 5 h 30 |
| 2019-07-17 05:30Z | 2019-07-17 11:00Z | — | 5 h 30 |
| 2019-07-18 05:30Z | 2019-07-18 11:00Z | — | 5 h 30 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2019-07-12 20:23Z
- status
- Archived notice
- self-cancels
- 2019-07-18 12:00Z
- authority
- NAVAL AIR WARFARE CENTER 121752Z JUL 19.
- NAVAREA
- NAVAREA XII
- issued by
- NAVAL AIR WARFARE CENTER
- sea
- North Pacific Ocean
- position
- 50.968, -153.395
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
GULF ALASKA.
ALASKA.
1. HAZARDOUS OPERATIONS 0530Z TO 1100Z DAILY
16 THRU 18 JUL IN AREA BOUND BY
A. 57-25N 152-24W, 57-05N 152-47W,
52-44N 154-03W, 45-26N 159-15W,
44-57N 153-41W, 56-58N 146-42W,
57-27N 152-19W.
B. 46-27N 160-53W, 46-41N 159-53W,
52-12N 155-12W, 52-20N 155-37W,
47-17N 161-23W, 46-34N 161-12W.
2. CANCEL THIS MSG 181200Z JUL 19.
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
4 within 180 nm since 2009 · 0 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.
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
30 military exercises listed in force · see all
Record snapshot 2026-09-26 02:22Z; 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.