Exercises

Hazardous operations 091130Z to 092000Z jul, alternate 131130Z to 132000Z jul in areas bound by: a.…

North Pacific Ocean · NAVAREA XII 432/22

What this record establishes

Archived notice · 2022-07-09 19:07Z

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) · SEA RANGE OTC 0/22 302101Z JUN 22.. Issued 2022-07-04 09:35Z. 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

Current notices and reporting history in the North Pacific Ocean →

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2022-07-09 11:30Z2022-07-09 20:00Z—8 h 30
2022-07-13 11:30Z2022-07-13 20:00Z—8 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
2022-07-04 09:35Z
status
Archived notice
self-cancels
2022-07-13 21:00Z
authority
SEA RANGE OTC 0/22 302101Z JUN 22.
NAVAREA
NAVAREA XII
issued by
SEA RANGE OTC
sea
North Pacific Ocean
position
32.049, -129.039
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 091130Z TO 092000Z JUL,
   ALTERNATE 131130Z TO 132000Z JUL
   IN AREAS BOUND BY:
   A. 33-20.33N 122-13.38W, 33-29.22N 121-36.37W,
      33-38.42N 120-21.18W, 33-22.55N 120-18.53W,
      33-13.37N 121-33.50W, 33-12.42N 122-11.90W.
   B. 31-56.43N 131-20.12W, 32-24.83N 128-55.50W,
      31-59.87N 128-49.08W, 31-31.60N 131-13.08W.
   C. 30-01.28N 137-36.93W, 30-20.70N 137-43.83W,
      30-34.72N 136-51.02W, 30-15.17N 136-44.23W.
2. CANCEL THIS MSG 132100Z JUL 22.

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.
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 · military exercises

33 within 180 nm since 2002 · 0 in the last 12 months · 0 listed in force now

02
05
10
15
20
23

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

J
F
M
A
M
J
J
A
S
O
N
D

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

32 military exercises listed in force · see all

Record snapshot 2026-09-28 00:11Z; 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.