Navigational warnings on 2011-12-23

UTC day · today

issued
20
cancelled
19
in force at end
261
of these still in force
0

What this reporting period contains

20 messages have issue dates in this period, and 19 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 5 of 20 recorded messages (25%), the largest category group in this selection.

HYDROPAC accounts for 11 of 20 recorded messages (55%), 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

Other5
Incidents4
Quakes4
Nav aids3
Exercises2
Wrecks1
Missiles1

Issued · by sea

South Pacific Ocean4
North Pacific Ocean3
Inner Seas off the West Coast of Scotland1
Indian Ocean1
South China Sea1
Davis Strait1
Andaman or Burma Sea1
North Sea1

HYDROPAC 11 · HYDROLANT 6 · USGS earthquakes 3

Issued · 20

Cancelled · 19

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 2011-12-23 · seahazards