Navigational warnings on 2012-04-28

UTC day · today

issued
18
cancelled
37
in force at end
263
of these still in force
0

What this reporting period contains

18 messages have issue dates in this period, and 37 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 6 of 18 recorded messages (33%), the largest category group in this selection.

HYDROLANT accounts for 10 of 18 recorded messages (56%), 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 ops6
Exercises3
Quakes2
Incidents2
Piracy1
Nav aids1
Icebergs1
Derelicts1
Towing1

Issued · by sea

South Atlantic Ocean5
South China Sea2
North Atlantic Ocean2
Davis Strait1
South Pacific Ocean1
Solomon Sea1
Labrador Sea1

HYDROLANT 10 · HYDROPAC 5 · USGS earthquakes 2 · NAVAREA IV 1

Issued · 18

Cancelled · 37

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 2012-04-28 · seahazards