Navigational warnings on 2016-12-12

UTC day · today

issued
25
cancelled
23
in force at end
491
of these still in force
0

What this reporting period contains

25 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.

Incidents accounts for 8 of 25 recorded messages (32%), the largest category group in this selection.

HYDROPAC accounts for 14 of 25 recorded messages (56%), 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

Incidents8
Exercises6
Icebergs3
Cable ops3
Other3
Derelicts1
Nav aids1

Issued · by sea

North Atlantic Ocean4
South China Sea3
North Pacific Ocean2
Gulf of Guinea1
Gulf of Aden1
Indian Ocean1
Philippine Sea1
Tasman Sea1

HYDROPAC 14 · HYDROLANT 5 · NAVAREA IV 5 · NAVAREA XII 1

Issued · 25

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 2016-12-12 · seahazards