Navigational warnings on 2013-04-20

UTC day · today

issued
24
cancelled
33
in force at end
330
of these still in force
0

What this reporting period contains

24 messages have issue dates in this period, and 33 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, Incidents tie for the largest recorded count, with 5 messages each.

HYDROLANT accounts for 10 of 24 recorded messages (42%), 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

Incidents5
Cable ops5
Quakes4
Derelicts3
Other2
Missiles2
Surveys1
Exercises1
Icebergs1

Issued · by sea

South Atlantic Ocean5
North Pacific Ocean3
South Pacific Ocean2
Japan Sea1
Banda Sea1
South China Sea1
Southern Ocean1
North Atlantic Ocean1

HYDROLANT 10 · HYDROPAC 8 · USGS earthquakes 4 · HYDROARC 1 · NAVAREA IV 1

Issued · 24

Cancelled · 33

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 2013-04-20 · seahazards