Ordnance

Underwater ordnance detonations: a. 291900Z to 300100Z jun in area bound by 24-05N 152-30W, 25-00N 150-20W,…

North Pacific Ocean · NAVAREA XII 227/00

What this record establishes

Archived notice · 2000-07-01 02:00Z

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) · COMNAVSURFPAC 281325Z JUN 00. Issued 2000-06-28 20:50Z. 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.

Current notices and reporting history in the North Pacific Ocean →

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2000-06-29 19:00Z	2000-06-30 01:00Z	—	6 h
2000-06-30 18:00Z	2000-07-01 01:00Z	—	7 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued: 2000-06-28 20:50Z
status: Archived notice
self-cancels: 2000-07-01 02:00Z
authority: COMNAVSURFPAC 281325Z JUN 00
NAVAREA: NAVAREA XII
issued by: COMNAVSURFPAC
sea: North Pacific Ocean
position: 24.417, -149.481
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS:
   A. 291900Z TO 300100Z JUN IN AREA BOUND BY
      24-05N 152-30W, 25-00N 150-20W, 26-05N 147-00W,
      24-45N 146-15W, 23-40N 149-30W, 22-30N 152-30W.
   B. 301800Z JUN TO 010100Z JUL IN AREA BOUND BY
      26-55N 143-35W, 26-00N 143-09W,
      27-30N 137-04W, 28-20N 137-31W.
2. CANCEL THIS MSG 010200Z JUL.

Reading this warning

Unexploded ordnance: Bombs, shells, mines or torpedoes found on the seabed or washed up, and the operations to remove or destroy them.
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.
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.

All warning terms →

Collected reports in this area · ordnance operations

6 within 180 nm since 1999 · 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

0 ordnance operations listed in force · see all

Record snapshot 2026-09-27 16:01Z; source collection times vary.

Ordnance

Ordnance disposal, underwater detonations and unexploded ordnance. All current ordnance operations →

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.