Other

Underwater ordnance detonations 201400Z to 211400Z and 221400Z to 231400Z oct within 500 yards of 32-38.4N…

NAVAREA XII 358/99

issued
1999-10-20 00:12Z
status
cancelled 1999-10-23 15:00Z (archive)
self-cancels
1999-10-23 15:00Z
authority
COMNAVSURFPAC 191515Z OCT 99
sea
North Pacific Ocean
position
32.640, -117.183 · r 0.2 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 201400Z TO 211400Z
   AND 221400Z TO 231400Z OCT WITHIN 500 YARDS
   OF 32-38.4N 117-11.0W.
2. CANCEL THIS MSG 231500Z OCT.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
1999-10-20 14:00Z1999-10-21 14:00Z24 h
1999-10-22 14:00Z1999-10-23 14:00Z24 h

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

This area · other warnings

59 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
15
20
23

Season · when other warnings happen here

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

month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

34 other warnings in force · see all

Other

Everything the classifier did not place elsewhere. All current other warnings

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.