Exercises
Hazardous operations: a. 052100Z to 060001Z feb in area within 40 miles of 33-17N 120-37W
Eastern North Pacific · California · NAVAREA XII 40/20
- issued
- 2020-01-31 10:25Z
- status
- cancelled 2020-02-06 17:38Z (archive)
- self-cancels
- 2020-02-07 01:01Z
- authority
- SEA RANGE OTC 291757Z JAN 20.
- sea
- North Pacific Ocean
- position
- 34.624, -121.883
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS:
A. 052100Z TO 060001Z FEB
IN AREA WITHIN 40 MILES OF 33-17N 120-37W.
B. ALTERNATE 062100Z TO 070001Z FEB
IN AREA WITHIN 40 MILES OF 34-35N 121-53W.
2. CANCEL THIS MSG 070101Z FEB 20.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-02-05 21:00Z | 2020-02-06 00:01Z | — | 3 h 01 |
| 2020-02-06 21:00Z | 2020-02-07 00:01Z | — | 3 h 01 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · military exercises
798 within 180 nm since 1999 · 4 in the last 12 months · 1 in force now
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25
26
- Hazardous operations 251300Z to 252100Z aug, alternate 261300Z to 262100Z aug in area bound by 33-37.00N…2026-08-20
- Hazardous operations 251400Z to 252000Z aug, alternate 261400Z to 262000Z aug in area within 56 miles of…2026-08-20
- Hazardous operations 221200Z to 230100Z aug, alternate 1230Z to 0100Z daily 23 and 24 aug in area bound by:…2026-08-17
- Hazardous operations 181700Z to 190001Z aug, alternate 1700Z to 0100Z daily, 20 thru 21 aug in area bound by…2026-08-13
- Hazardous operations 271800Z to 272200Z nov in area within 35 miles of 32-57.00N 120-41.00W2024-11-21
- Hazardous operations 252030Z to 260200Z nov, alternate 262030Z to 270200Z nov in area within 32 miles of…2024-11-20
Season · when military exercises happen here
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A
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month of issue, all years in the archive
Timeline
- Hazardous operations 062100Z to 070001Z feb in area within 40 miles of 34-35N 121-53Wcancelled by · 2020-02-06
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
36 military exercises in force · see all
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.