Navigational warnings, week 2014-W04

2014-01-20 to 2014-01-26 UTC

issued: 150
cancelled: 137
in force at end: 341
of these still in force: 0

What this reporting period contains

150 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.

Incidents accounts for 34 of 150 recorded messages (23%), the largest category group in this selection.

HYDROPAC accounts for 69 of 150 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

Incidents	34
Exercises	29
Cable ops	25
Other	17
Quakes	10
Icebergs	7
Nav aids	7
Surveys	6
Derelicts	6
Containers	3
Missiles	2
Spills	1
Ordnance	1
Volcanic	1
Piracy	1

Issued · by sea

South Atlantic Ocean	18
North Atlantic Ocean	11
North Pacific Ocean	11
South Pacific Ocean	8
Labrador Sea	7
Indian Ocean	4
Gulf of Mexico	4
Andaman or Burma Sea	4

HYDROPAC 69 · HYDROLANT 51 · NAVAREA IV 16 · USGS earthquakes 10 · NAVAREA XII 3 · NOAA IncidentNews 1

Issued · 150

Cancelled · 137

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