Navigational warnings on 2011-12-18

UTC day · today

issued
12
cancelled
10
in force at end
251
of these still in force
0

What this reporting period contains

12 messages have issue dates in this period, and 10 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, Other tie for the largest recorded count, with 3 messages each.

HYDROPAC accounts for 8 of 12 recorded messages (67%), 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

Other3
Incidents3
Nav aids2
Derelicts1
Cable ops1
Exercises1
Spills1

Issued · by sea

South China Sea2
Mozambique Channel1
Sea of Okhotsk1
North Pacific Ocean1
Coral Sea1
North Sea1
Gulf of Alaska1
Gulf of Guinea1

HYDROPAC 8 · HYDROLANT 3 · NOAA IncidentNews 1

Issued · 12

Cancelled · 10

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 2011-12-18 · seahazards