Navigational warnings on 2016-04-16

UTC day · today

issued
22
cancelled
12
in force at end
421
of these still in force
0

What this reporting period contains

22 messages have issue dates in this period, and 12 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 6 of 22 recorded messages (27%), the largest category group in this selection.

HYDROLANT accounts for 9 of 22 recorded messages (41%), 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

Incidents6
Exercises4
Quakes2
Other2
Surveys2
Cable ops2
Missiles1
Icebergs1
Nav aids1
Ordnance1

Issued · by sea

Black Sea3
Mediterranean Sea - Eastern Basin3
North Pacific Ocean2
North Atlantic Ocean2
South China Sea2
Inner Seas off the West Coast of Scotland1
Philippine Sea1
Gulf of Alaska1

HYDROLANT 9 · HYDROPAC 7 · NAVAREA XII 2 · NAVAREA IV 2 · USGS earthquakes 2

Issued · 22

Cancelled · 12

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 2016-04-16 · seahazards