Navigational warnings, week 2013-W36

2013-09-02 to 2013-09-08 UTC

issued: 204
cancelled: 191
in force at end: 346
of these still in force: 0

What this reporting period contains

204 messages have issue dates in this period, and 191 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Incidents accounts for 43 of 204 recorded messages (21%), the largest category group in this selection.

HYDROPAC accounts for 85 of 204 recorded messages (42%), 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

Incidents	43
Other	42
Exercises	35
Cable ops	22
Quakes	16
Nav aids	14
Icebergs	8
Missiles	8
Derelicts	4
Spills	3
Surveys	3
Wrecks	3
Piracy	1
Debris	1
Structures	1

Issued · by sea

North Pacific Ocean	25
South Atlantic Ocean	13
North Atlantic Ocean	10
Mediterranean Sea - Eastern Basin	10
Indian Ocean	8
Labrador Sea	7
South China Sea	7
Bay of Bengal	6

HYDROPAC 85 · HYDROLANT 69 · USGS earthquakes 16 · NAVAREA IV 15 · HYDROARC 11 · NAVAREA XII 5 · NOAA IncidentNews 3

Issued · 204

Cancelled · 191

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