Navigational warnings on 2012-12-31

UTC day · today

issued
22
cancelled
30
in force at end
280
of these still in force
0

What this reporting period contains

22 messages have issue dates in this period, and 30 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Nav aids accounts for 7 of 22 recorded messages (32%), the largest category group in this selection.

HYDROPAC accounts for 9 of 22 recorded messages (41%), 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 aids7
Incidents4
Other4
Cable ops3
Surveys2
Icebergs1
Exercises1

Issued · by sea

South Atlantic Ocean4
North Atlantic Ocean2
North Pacific Ocean2
Gulf of Alaska2
South Pacific Ocean1
Labrador Sea1
Laccadive Sea1
Andaman or Burma Sea1

HYDROPAC 9 · HYDROLANT 7 · NAVAREA XII 5 · NAVAREA IV 1

Issued · 22

Cancelled · 30

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 2012-12-31 · seahazards