Navigational warnings on 2012-12-28

UTC day · today

issued
33
cancelled
31
in force at end
308
of these still in force
0

What this reporting period contains

33 messages have issue dates in this period, and 31 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises accounts for 9 of 33 recorded messages (27%), the largest category group in this selection.

HYDROLANT, HYDROPAC tie for the largest recorded count, with 15 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

Exercises9
Other7
Incidents4
Nav aids3
Cable ops3
Derelicts2
Icebergs2
Surveys1
Quakes1
Restricted1

Issued · by sea

South China Sea3
Yellow Sea3
Mediterranean Sea - Eastern Basin2
Black Sea2
North Sea1
Persian Gulf1
English Channel1
Indian Ocean1

HYDROLANT 15 · HYDROPAC 15 · NAVAREA XII 1 · NAVAREA IV 1 · USGS earthquakes 1

Issued · 33

Cancelled · 31

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 2012-12-28 · seahazards