Navigational warnings, week 2012-W19

2012-05-07 to 2012-05-13 UTC

issued: 149
cancelled: 137
in force at end: 283
of these still in force: 0

What this reporting period contains

149 messages have issue dates in this period, and 137 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 33 of 149 recorded messages (22%), the largest category group in this selection.

HYDROPAC accounts for 69 of 149 recorded messages (46%), 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	33
Incidents	30
Other	19
Cable ops	15
Missiles	8
Nav aids	8
Icebergs	8
Spills	7
Derelicts	7
Piracy	7
Surveys	3
Quakes	3
Restricted	1

Issued · by sea

North Atlantic Ocean	24
South Atlantic Ocean	12
Indian Ocean	10
Arabian Sea	9
North Pacific Ocean	8
South Pacific Ocean	6
Labrador Sea	6
South China Sea	5

HYDROPAC 69 · HYDROLANT 58 · NAVAREA IV 11 · NOAA IncidentNews 7 · USGS earthquakes 3 · NAVAREA XII 1

Issued · 149

Cancelled · 137

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