Navigational warnings, week 2012-W49

2012-12-03 to 2012-12-09 UTC

issued: 191
cancelled: 184
in force at end: 318
of these still in force: 0

What this reporting period contains

191 messages have issue dates in this period, and 184 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Other accounts for 42 of 191 recorded messages (22%), the largest category group in this selection.

HYDROPAC accounts for 88 of 191 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

Other	42
Exercises	32
Incidents	29
Cable ops	20
Nav aids	19
Icebergs	10
Missiles	10
Quakes	9
Derelicts	8
Surveys	7
Wrecks	3
Restricted	1
Ordnance	1

Issued · by sea

North Pacific Ocean	18
South Atlantic Ocean	18
Labrador Sea	8
North Sea	7
Bay of Bengal	7
North Atlantic Ocean	5
South Pacific Ocean	5
Indian Ocean	4

HYDROPAC 88 · HYDROLANT 62 · NAVAREA IV 13 · NAVAREA XII 10 · HYDROARC 9 · USGS earthquakes 9

Issued · 191

Cancelled · 184

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