Navigational warnings on 2012-12-04

UTC day · today

issued
28
cancelled
29
in force at end
312
of these still in force
0

What this reporting period contains

28 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.

Other accounts for 7 of 28 recorded messages (25%), the largest category group in this selection.

HYDROPAC accounts for 11 of 28 recorded messages (39%), 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

Other7
Missiles4
Derelicts3
Nav aids3
Incidents3
Cable ops3
Icebergs2
Exercises2
Quakes1

Issued · by sea

South Atlantic Ocean5
North Pacific Ocean3
Barentsz Sea2
Labrador Sea2
Arafura Sea2
North Sea1
Bass Strait1
Gulf of Alaska1

HYDROPAC 11 · HYDROLANT 10 · NAVAREA XII 2 · HYDROARC 2 · NAVAREA IV 2 · USGS earthquakes 1

Issued · 28

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 2012-12-04 · seahazards