Navigational warnings, week 2011-W27

2011-07-04 to 2011-07-10 UTC

issued: 121
cancelled: 117
in force at end: 258
of these still in force: 0

What this reporting period contains

121 messages have issue dates in this period, and 117 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises accounts for 25 of 121 recorded messages (21%), the largest category group in this selection.

HYDROPAC accounts for 59 of 121 recorded messages (49%), the largest source series group in this selection.

Separate updates to the same activity count as separate messages. The original records below show what was reported and when.

Issued · by type

Exercises	25
Quakes	19
Incidents	17
Derelicts	12
Nav aids	11
Missiles	10
Other	10
Cable ops	8
Surveys	3
Piracy	3
Wrecks	1
Spills	1
Debris	1

Issued · by sea

North Pacific Ocean	19
South Pacific Ocean	19
South Atlantic Ocean	7
Arafura Sea	5
North Atlantic Ocean	5
Indian Ocean	4
Arctic Ocean	2
Solomon Sea	2

HYDROPAC 59 · HYDROLANT 24 · USGS earthquakes 17 · NAVAREA XII 8 · HYDROARC 7 · NAVAREA IV 5 · NOAA IncidentNews 1

Issued · 121

Cancelled · 117

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.