Navigational warnings on 2016-12-18

UTC day · today

issued
26
cancelled
23
in force at end
507
of these still in force
0

What this reporting period contains

26 messages have issue dates in this period, and 23 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, Other, Quakes tie for the largest recorded count, with 6 messages each.

HYDROPAC accounts for 10 of 26 recorded messages (38%), 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

Quakes6
Incidents6
Other6
Missiles2
Nav aids2
Exercises2
Icebergs2

Issued · by sea

North Pacific Ocean5
North Atlantic Ocean3
South Pacific Ocean2
Solomon Sea2
Labrador Sea1
Coral Sea1
Laccadive Sea1
Bay of Bengal1

HYDROPAC 10 · HYDROLANT 6 · USGS earthquakes 5 · NAVAREA IV 3 · NAVAREA XII 1 · HYDROARC 1

Issued · 26

Cancelled · 23

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 2016-12-18 · seahazards