Navigational warnings on 2011-04-20

UTC day · today

issued
23
cancelled
23
in force at end
302
of these still in force
0

What this reporting period contains

23 messages have issue dates in this period, and 23 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 5 of 23 recorded messages (22%), the largest category group in this selection.

HYDROLANT, HYDROPAC tie for the largest recorded count, with 10 messages each.

Separate updates to the same activity count as separate messages. The original records below show what was reported and when.

Issued · by type

Cable ops5
Nav aids4
Missiles3
Exercises3
Other2
Piracy2
Derelicts1
Debris1
Surveys1
Incidents1

Issued · by sea

South Atlantic Ocean5
North Pacific Ocean3
Bay of Bengal2
North Sea1
Arctic Ocean1
Mediterranean Sea - Western Basin1
Red Sea1
South Pacific Ocean1

HYDROLANT 10 · HYDROPAC 10 · NAVAREA XII 2 · HYDROARC 1

Issued · 23

Cancelled · 23

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 2011-04-20 · seahazards