Navigational warnings on 2016-04-11

UTC day · today

issued
21
cancelled
15
in force at end
371
of these still in force
0

What this reporting period contains

21 messages have issue dates in this period, and 15 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises, Incidents tie for the largest recorded count, with 4 messages each.

HYDROLANT accounts for 13 of 21 recorded messages (62%), 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

Exercises4
Incidents4
Nav aids3
Surveys3
Icebergs2
Other2
Cable ops1
Piracy1
Quakes1

Issued · by sea

Mediterranean Sea - Eastern Basin5
South Atlantic Ocean3
North Atlantic Ocean2
Bering Sea1
South China Sea1
Caribbean Sea1
Philippine Sea1
English Channel1

HYDROLANT 13 · HYDROPAC 4 · NAVAREA IV 3 · USGS earthquakes 1

Issued · 21

Cancelled · 15

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 2016-04-11 · seahazards