Navigational warnings on 2016-12-21

UTC day · today

issued
26
cancelled
27
in force at end
517
of these still in force
0

What this reporting period contains

26 messages have issue dates in this period, and 27 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 26 recorded messages (27%), the largest category group in this selection.

HYDROLANT accounts for 12 of 26 recorded messages (46%), 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
Other5
Nav aids4
Quakes2
Icebergs2
Exercises2
Cable ops1
Surveys1
Derelicts1
Piracy1

Issued · by sea

Mediterranean Sea - Eastern Basin4
South China Sea2
North Pacific Ocean2
Davis Strait2
Andaman or Burma Sea1
Banda Sea1
South Atlantic Ocean1
Indian Ocean1

HYDROLANT 12 · HYDROPAC 7 · HYDROARC 2 · NAVAREA IV 2 · USGS earthquakes 2 · NAVAREA XII 1

Issued · 26

Cancelled · 27

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 2016-12-21 · seahazards