Navigational warnings on 2011-12-30

UTC day · today

issued
26
cancelled
29
in force at end
254
of these still in force
0

What this reporting period contains

26 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.

Cable ops, Nav aids tie for the largest recorded count, with 6 messages each.

HYDROLANT accounts for 17 of 26 recorded messages (65%), 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

Nav aids6
Cable ops6
Exercises4
Other4
Incidents3
Mines1
Restricted1
Containers1

Issued · by sea

South Atlantic Ocean4
South China Sea3
Inner Seas off the West Coast of Scotland2
North Sea2
Kara Sea1
Celtic Sea1
Baltic Sea1
North Pacific Ocean1

HYDROLANT 17 · HYDROPAC 8 · HYDROARC 1

Issued · 26

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 2011-12-30 · seahazards