Navigational warnings on 2016-12-01

UTC day · today

issued
41
cancelled
61
in force at end
516
of these still in force
0

What this reporting period contains

41 messages have issue dates in this period, and 61 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 13 of 41 recorded messages (32%), 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

Other13
Exercises7
Nav aids6
Missiles3
Incidents3
Cable ops2
Icebergs2
Surveys2
Derelicts2
Quakes1

Issued · by sea

North Pacific Ocean4
Mediterranean Sea - Eastern Basin3
South China Sea3
English Channel2
South Atlantic Ocean2
Indian Ocean2
Arabian Sea1
Strait of Gibraltar1

HYDROPAC 16 · HYDROLANT 14 · NAVAREA XII 5 · NAVAREA IV 4 · HYDROARC 1 · USGS earthquakes 1

Issued · 41

Cancelled · 61

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 2016-12-01 · seahazards