Navigational warnings on 2013-04-11

UTC day · today

issued
28
cancelled
20
in force at end
313
of these still in force
0

What this reporting period contains

28 messages have issue dates in this period, and 20 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Cable ops accounts for 5 of 28 recorded messages (18%), the largest category group in this selection.

HYDROLANT accounts for 15 of 28 recorded messages (54%), 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

Cable ops5
Exercises4
Other4
Incidents4
Nav aids4
Surveys2
Missiles2
Icebergs1
Quakes1
Derelicts1

Issued · by sea

South Atlantic Ocean6
North Pacific Ocean3
Philippine Sea2
Norwegian Sea2
North Atlantic Ocean2
Black Sea1
Labrador Sea1
Celtic Sea1

HYDROLANT 15 · HYDROPAC 8 · NAVAREA IV 3 · HYDROARC 1 · USGS earthquakes 1

Issued · 28

Cancelled · 20

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 2013-04-11 · seahazards