Navigational warnings on 2016-12-10

UTC day · today

issued: 33
cancelled: 20
in force at end: 493
of these still in force: 0

What this reporting period contains

33 messages have issue dates in this period, and 20 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 7 of 33 recorded messages (21%), the largest category group in this selection.

HYDROLANT accounts for 13 of 33 recorded messages (39%), 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	7
Other	5
Cable ops	4
Exercises	4
Quakes	3
Nav aids	3
Icebergs	3
Debris	1
Restricted	1
Derelicts	1
Spills	1

Issued · by sea

South Atlantic Ocean	7
Solomon Sea	3
The Coastal Waters of Southeast Alaska and British Columbia	2
South China Sea	2
Bay of Bengal	2
North Pacific Ocean	2
South Pacific Ocean	1
Coral Sea	1

HYDROLANT 13 · HYDROPAC 12 · USGS earthquakes 3 · NAVAREA XII 2 · NAVAREA IV 2 · NOAA IncidentNews 1

Issued · 33

Cancelled · 20

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