Navigational warnings on 2016-11-30

UTC day · today

issued
41
cancelled
54
in force at end
536
of these still in force
0

What this reporting period contains

41 messages have issue dates in this period, and 54 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 12 of 41 recorded messages (29%), the largest category group in this selection.

HYDROPAC accounts for 16 of 41 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

Other12
Exercises9
Nav aids4
Missiles4
Cable ops3
Incidents2
Surveys2
Icebergs2
Derelicts1
Wrecks1
Quakes1

Issued · by sea

Black Sea4
South China Sea3
Indian Ocean3
South Atlantic Ocean3
North Atlantic Ocean2
North Pacific Ocean2
North Sea1
Bay of Bengal1

HYDROPAC 16 · HYDROLANT 15 · NAVAREA IV 5 · NAVAREA XII 3 · HYDROARC 1 · USGS earthquakes 1

Issued · 41

Cancelled · 54

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

Navigational warnings on 2016-11-30 · seahazards