Navigational warnings, week 2012-W07

2012-02-13 to 2012-02-19 UTC

issued: 142
cancelled: 155
in force at end: 260
of these still in force: 0

What this reporting period contains

142 messages have issue dates in this period, and 155 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 26 of 142 recorded messages (18%), the largest category group in this selection.

HYDROPAC accounts for 80 of 142 recorded messages (56%), 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	26
Other	25
Incidents	21
Nav aids	19
Cable ops	15
Icebergs	8
Quakes	7
Piracy	5
Surveys	4
Missiles	4
Derelicts	4
Spills	3
Debris	1

Issued · by sea

North Pacific Ocean	12
South Atlantic Ocean	10
South Pacific Ocean	7
Indian Ocean	7
Labrador Sea	6
South China Sea	6
North Atlantic Ocean	5
Arabian Sea	4

HYDROPAC 80 · HYDROLANT 34 · NAVAREA IV 12 · USGS earthquakes 7 · NAVAREA XII 6 · NOAA IncidentNews 3

Issued · 142

Cancelled · 155

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