Navigational warnings on 2016-08-18

UTC day · today

issued
42
cancelled
29
in force at end
474
of these still in force
0

What this reporting period contains

42 messages have issue dates in this period, and 29 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 10 of 42 recorded messages (24%), the largest category group in this selection.

HYDROPAC accounts for 22 of 42 recorded messages (52%), 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

Incidents10
Other8
Exercises8
Nav aids4
Quakes3
Cable ops2
Icebergs2
Missiles1
Surveys1
Containers1
Piracy1
Derelicts1

Issued · by sea

North Pacific Ocean5
South Atlantic Ocean5
South Pacific Ocean4
North Atlantic Ocean2
Coral Sea2
South China Sea2
Great Australian Bight1
Bass Strait1

HYDROPAC 22 · HYDROLANT 11 · HYDROARC 3 · USGS earthquakes 3 · NAVAREA XII 2 · NAVAREA IV 1

Issued · 42

Cancelled · 29

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 2016-08-18 · seahazards