Navigational warnings, week 2014-W28

2014-07-07 to 2014-07-13 UTC

issued: 184
cancelled: 162
in force at end: 382
of these still in force: 0

What this reporting period contains

184 messages have issue dates in this period, and 162 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 184 recorded messages (23%), the largest category group in this selection.

HYDROPAC accounts for 75 of 184 recorded messages (41%), 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	28
Exercises	25
Nav aids	15
Missiles	12
Surveys	10
Cable ops	10
Derelicts	10
Icebergs	9
Quakes	9
Towing	3
Spills	3
Containers	2
Debris	2
Piracy	1
Storms	1
Structures	1

Issued · by sea

North Atlantic Ocean	17
North Pacific Ocean	16
South China Sea	10
South Pacific Ocean	8
Labrador Sea	7
Black Sea	6
Indian Ocean	5
South Atlantic Ocean	5

HYDROPAC 75 · HYDROLANT 61 · NAVAREA IV 16 · HYDROARC 12 · USGS earthquakes 9 · NAVAREA XII 8 · NOAA IncidentNews 3

Issued · 184

Cancelled · 162

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