Navigational warnings on 2013-12-21

UTC day · today

issued
20
cancelled
34
in force at end
330
of these still in force
0

What this reporting period contains

20 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.

Incidents accounts for 7 of 20 recorded messages (35%), the largest category group in this selection.

HYDROPAC accounts for 9 of 20 recorded messages (45%), 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

Incidents7
Other3
Icebergs3
Quakes2
Missiles2
Nav aids1
Exercises1
Derelicts1

Issued · by sea

North Pacific Ocean3
South Pacific Ocean3
Caribbean Sea3
South Atlantic Ocean2
South China Sea1
North Atlantic Ocean1
Arabian Sea1
Inner Seas off the West Coast of Scotland1

HYDROPAC 9 · HYDROLANT 6 · USGS earthquakes 2 · NAVAREA XII 1 · HYDROARC 1 · NAVAREA IV 1

Issued · 20

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 2013-12-21 · seahazards