Navigational warnings on 2011-09-21

UTC day · today

issued
23
cancelled
33
in force at end
281
of these still in force
0

What this reporting period contains

23 messages have issue dates in this period, and 33 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Cable ops accounts for 6 of 23 recorded messages (26%), the largest category group in this selection.

HYDROLANT accounts for 11 of 23 recorded messages (48%), 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

Cable ops6
Missiles4
Other3
Incidents3
Derelicts2
Exercises2
Nav aids1
Spills1
Piracy1

Issued · by sea

South Atlantic Ocean3
North Pacific Ocean2
Mozambique Channel2
North Sea2
Indian Ocean1
Bay of Bengal1
Bering Sea1
Arabian Sea1

HYDROLANT 11 · HYDROPAC 10 · NAVAREA IV 1 · NOAA IncidentNews 1

Issued · 23

Cancelled · 33

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 2011-09-21 · seahazards