Navigational warnings on 2013-12-18

UTC day · today

issued
30
cancelled
34
in force at end
353
of these still in force
0

What this reporting period contains

30 messages have issue dates in this period, and 34 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, Nav aids tie for the largest recorded count, with 6 messages each.

HYDROPAC accounts for 14 of 30 recorded messages (47%), 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
Exercises6
Other5
Incidents4
Cable ops4
Derelicts1
Surveys1
Piracy1
Missiles1
Volcanic1

Issued · by sea

South Atlantic Ocean5
Yellow Sea3
North Sea2
South China Sea1
Indian Ocean1
Gulf of Mexico1
Gulf of Aden1
North Atlantic Ocean1

HYDROPAC 14 · HYDROLANT 13 · NAVAREA IV 2 · HYDROARC 1

Issued · 30

Cancelled · 34

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 2013-12-18 · seahazards